Manuale d’uso / di manutenzione del prodotto 65 del fabbricante Galaxy Metal Gear
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Galaxy 65 User Guide Part No. 43061-02A Issue 2-0 January 13, 2004.
Notices The information in this document is subject to change without notice. While every effort has been made to ensure that all information in th is document is accurate, the Authors accept no liability for any errors that may arise.
Contents iii Contents Preface ......................... ......................................................................................................................... ix International Standards ..............................................
iv Galaxy 65 User Guide 1.6.6 Environment ......... ............................................................................................................ 12 1.6.7 Interfaces ......................................................................
Contents v 5.2 Changing the Date and Time ........ .......................................................................................... .. 43 5.3 Understanding LUNs and Viewing LUN Information ................... ................................
vi Galaxy 65 User Guide 7.9 Host Fibre Channel Problems ........ ......................................................................................... .. 67 7.10 Array Problems .............................. .......................................
Contents vii B.3.1 Changing the Screen Display ..... .................................................................... ................ 102 B.3.2 Disk Array Administrator Menu Tree ...................................................................
viii Galaxy 65 User Guide E.3.3 Displaying the Spare Pool .......... ................................... ................................................. 171 F Managing Disk Drives and Enclosures ......................................................
Contents ix Index ................................... .................................................................................................
x Galaxy 65 User Guide.
Preface ix Preface What is in this guide This user guide gives you step-by-ste p instructions on how to install, configure and connect the Galaxy 65 storage Subsystem to your host computer sy stem, and how to use and maintain the system.
Galaxy 65 User Guide x European Regulations This equipment complies with European Regula tions EN 55022 Class A: Limits and Methods of Measurement of Radio Disturbance Characteristic s of Information Technology Equipments and EN50082-1: Generic Immunity.
Preface xi • The Galaxy 65 unit must only be operated from a power supply in put voltage range of 100 -120VAC or 200-240 VAC. • The plug on the power supply cord is used as the main disconnect device. Ensure that the socket outlets are located near the equipm ent and are easily accessible.
Galaxy 65 User Guide xii • Provide a suitable power source with electrical overload protection to meet the requirements laid down in the technical specification. • A faulty power supply/cooling m odule must be replaced with a fu lly operational module within 24 hours.
Preface xiii Rack System Precautions The following safety requirement s must be considered when the unit is mounted in a rack. • The rack design should incorporate stabilizing features suitable to prevent the rack from tipping or being pushed over during installation or in normal use.
Galaxy 65 User Guide xiv Data Security • Power down your host computer and all attached peripheral devices before beginning installation. • Each enclosure contains up to 16 removable disk dr ive modules. Disk units ar e fragile. Handle them with care, and keep them away from strong magnetic fields.
Preface xv Conventions This Getting Started guide uses several conven tions to help explain how to use the X24. Convention Definition Bold Words in bold indicate items to select such as menu items or command buttons. CTRL-R Keys you press simultaneously.
Galaxy 65 User Guide xvi Revision History Version Date Description of Change Issue 1.0 June, 2003 Initial (Beta) Release Issue 2.0 January, 2004 Chapter 1, Page 14 amended: Section 1.
Preface xvii.
Galaxy 65 User Guide xviii.
Introduction 1 Chapter 1 Introduction 1.1 The Galaxy 65 System . Figure 1–1 The Galaxy 65 (FC-AL) System.
Galaxy 65 User Guide 2 1.2 The Enclosure Core Product The Galaxy 65 design concept is based on a Subs ystem together with a set of plug-in modules. The Galaxy 65 Subsystem as supplied comprises: • Chassis and Backplane with integral Operators Panel.
Introduction 3 1.2.2 T ower Option An optional tower kit is available, which can be fitted to the rack chassis described here. . Figure 1–3 Galaxy 65 Enclosure Chassis (Rear) Figure 1–4 Galaxy 65 .
Galaxy 65 User Guide 4 1.3 The Plug-in Modules A Galaxy 65 Enclosure requires one or more of the following modules for normal operation: 1.3.1 Power Supply/Cooling Module Two Power Supply/Cooling modules ( Figure 1–5 ) are supplied mounted in the rear of the enclosure as part of the Subsystem core product.
Introduction 5 1.3.1.1 Multiple Power Supply/Cooling Modules The Galaxy 65 system must always be operated with two Power Supply/Cooling modules fitted. The two Power Supply/Cooling modules operate together so that if one fails the other maintains the power supply and cooling while you r eplace the faulty unit.
Galaxy 65 User Guide 6 Caution All mandatory settings must be ob served in order for t he Galaxy 65 system to function correctly. Note To set Host 1Gb use the Ethe rnet connected configurator.
Introduction 7 • Expansion Port 1 Rx Good (Green) • ESI/LRC module fault LED (Amber) • Cache Active (Green) • RAID Controller Activity – Ready (Green) – Host Activity of either host channels (Flash off) • Battery Fault (Amber) Important Fitting of a RAID controller to the LRC module is a factory only operation.
Galaxy 65 User Guide 8 Warning Do not attempt to lift the enclosur e by means of the extended SM module .. Figure 1–8 Galaxy 65 LRC (Storage Manager) I/O Module Figure 1–9 Galaxy 65 Enclosure with.
Introduction 9 The Storage Manager module operates at 1 or 2 Gb. • Two external ports for expansion to furt her enclosures are prov ided by SFP connectors • Two external ports to the host controllers are provided from SM module all Form Factor (SFP) GBIC modules, auto-bypass at the output ports is provided.
Galaxy 65 User Guide 10 1.3.4.1 Drive Status Indicators Each drive carrier incorporates two indicators, an upper (Green) and lo wer (Amber). In normal operation the green indicator will be ON and will flicker as the drive operates.
Introduction 11 1.5 Installing your Galaxy 65 Subsystem Please refer to the Galaxy 65 Getting Starte d Manual (P/N 44521-01A ) for information on how to install your Galaxy 65 Enclosure and plug-in modules into an industry standard 19 inch rack cabinet.
Galaxy 65 User Guide 12 1.6.4 PSU Safety and EMC Compliance 1.6.5 Power Cord (minimum requirements) 1.6.6 Environment Safety Compliance UL 60950 IEC 60950 EN 60950 EMC Compliance CFR47 Part 15B Class .
Introduction 13 1.6.7 Interfaces 1.6.8 Drive Carrier Module Specification Please contact your supplier for details of approved drives. Important Operating the Galaxy 65 Subsystem with non-approved drives ma y invalidate the warranty. Acoustics Less than 6.
Galaxy 65 User Guide 14 1.6.9 Galaxy 65 FC-AL LRC I/O Module Specification 1.6.10 RAID Card 1.6.1 1 Software Enclosure Services (SES) Support The enclosure has a sophisticated self-monitoring and reporting functi on which conforms to ANSI SES specifications.
Operation 15 Chapter 2 Operation 2.1 Before Y ou Begin Before powering up your Galaxy 65 enclosure please ensu re that all the modules ar e firmly seated in their correct bays. 2.2 Power On Do not operate the Subsystem until the ambient temp erature is within the specified operating range.
Galaxy 65 User Guide 16 2.2.1 Power Supply/Cooling Module LEDs The Power Supply/Cooling module incorporates 4 LE Ds, located below the On/Off switch and shown in Table 2–1 . • Under Normal conditions the LEDs should all be illuminated constant GREEN • If a problem is detected the color of the relevant LED will change to AMBER.
Operation 17 Please refer to Chapter 7, ”Troubleshooting an d Problem Solving”, on page 59 for details of any fault indication. Table 2–2 Ops Panel LED States Ops Panel LEDs Other Associated LED.
Galaxy 65 User Guide 18 2.4 Starting the Drives All drives in the enclosure should automatically start their motors. If th is has not occurred there may be a power problem (an alarm and power fault indication wo uld normally be active). if there is only one Power Supply/Cooling Module present, the drive mo tors will spin up in a delayed sequence.
RAID Management 19 Chapter 3 Galaxy 65 RAID Management 3.1 Managing Arrays and Partitions Using SAM Using SAM, you can manage arrays and partitions. Yo u can perform the following array-related functi.
Galaxy 65 User Guide 20 – Expanding array capacity • Partitions – Adding a partition – Expanding a partition • Managing spares 3.2 Managing Arrays SAM lets you manage your arrays in a variety of ways.
RAID Management 21 • Manage Galaxy 65 Subsystem > Disk Array Config —includes array status information for the selected array. • Manage Galaxy 65 Subsystem > Disk Array Config > Disk Drive Status —includes disk drive status information for the selected array.
Galaxy 65 User Guide 22 • I/O Size Note Resetting statistics here resets all st atistics for the Galaxy 65 Subsystem. You may want to reset the statistics if you are mo nitoring performance. You may also want to reset statistics when you change how you are using a partition.
RAID Management 23 1 From SAM, select Manage Galaxy 65 Subsystem > Disk Ar ray Config > Abort an Array Utility . The Abort an Array Utility page displays with a li st of existing arrays. 2 Select the array you want. 3 Click Abort Array Verification .
Galaxy 65 User Guide 24 3.3.5 T rusting an Array You can use the Trust Array function to bring an array back online by re synchronizing the time and date stamp and any other metadata on a bad disk. This make s the disk an active member of the array again.
RAID Management 25 2 Select the array you want to delete. 3 Click Delete This Array . The system asks you to confirm the deletion. 4 Click OK . 3.4 Managing Partitions The SAM software lets you manage partit ions in a variety of ways.
Galaxy 65 User Guide 26 1 From SAM, select Manage Galaxy 65 Subsystem > LUN Ma nagement > Change Partition Name . The Change Partition Name page displays with a list of all existing arrays. 2 In the Select an Array to View LUN Information panel, select the array whose partition you want to rename.
RAID Management 27 3.4.4 Controlling Partition Access The Galaxy 65 Subsystem’s InfoShield capability lets you specify whic h hosts can access each partition. This gives you complete control of arra y access based on your specific needs. Figure 3–1 shows an example of how you can use InfoShield.
Galaxy 65 User Guide 28 retain the information after you restart the Gala xy 65 Subsystem unless you have given the host a nickname. The list includes the last 64 hosts that started or that you gave a nickname.
RAID Management 29 3.4.4.3 Configuring InfoShield Once you set up host nicknames, you can easily set up your InfoShield. This is where you determine which hosts can access each partition LUN. You set up InfoShield by either excluding or including hosts on a list for each pa rtition LUN.
Galaxy 65 User Guide 30 5 If you selected Include Listed Hosts or E xclude Listed Hosts , you must create a host list. All hosts already on an include or exclude this for the partition are listed in the Host Table for Array panel. You can change a host nickname or delete a host from the list.
RAID Management 31 4 In the Partition Read Ahead Size panel, select the size you want. The current size displays in the dr op-down list with ** next to it. 5 Click Set Read Ahead Cache Size . 3.4.6 Deleting a Partition You can delete a partition when you no longer need it and you want to use the space for another purpose.
Galaxy 65 User Guide 32.
System Status 33 Chapter 4 System Status 4.1 Monitoring System Status Using SAM You should monitor your system regu larly to ensure that the Galaxy 65 Subsystem, disk drives, and arrays are working properly.
Galaxy 65 User Guide 34 4.2.1 Starting and Stopping Remote Notification You can start or stop remote notification at any time. If you start remote notification, be sure to select event categories or specific events to monitor.
System Status 35 1 From SAM, select Manage Galaxy 65 Subsystem > Remote Configuration > E-mail Configuration . The E-mail Configur ation page displays. 2 Enter the following information: • E-Mail Address 1 through 4: Enter up to four e-mail addr esses you want to receive notification of Galaxy 65 Subsystem events.
Galaxy 65 User Guide 36 5 Click Download Selected Logs to File to save the logs to a file on the host system or anywhere accessible on your network. 6 When the File Download window displays, se lect “Save this file to disk” and click OK . 7 Navigate to where you want to save th e file, enter the file name, and click Save .
System Status 37 4.4.1 Resetting the All Statistics You can reset the following statistics to zero: •R e a d •W r i t e •S e c R d •S e c W t • I/O Size Note Resetting statistics here resets all st atistics for the Galaxy 65 Subsystem. You may want to reset the statistics if you are moni toring performance.
Galaxy 65 User Guide 38.
System Configuration 39 Chapter 5 Configuring the Galaxy 65 System SAM lets you configure settings and perform a variety of functions on the Gala xy 65 Subsystem.
Galaxy 65 User Guide 40 5.1 Configuring the LAN-related Settings You can configure several LAN-related settings for the Galaxy 65 Subsystem: • IP settings (refer to the Galaxy 65 Subsystem Getting S.
System Configuration 41 5.1.3 Configuring the System Information You can set four system information settings: • System Name : Name of the Galaxy 65 S ubsystem as seen by other sys tems on the LAN. You can enter up to 74 characters. The default is Uninitialized Name.
Galaxy 65 User Guide 42 To set SAM passwords: 1 From SAM, select Manage Galaxy 65 Subsystem > Gene ral Config > Passwords/Security . The Passwords/Security page displays. 2 In the Password Configuration panel, enter the passwords you want. 3 Click Change .
System Configuration 43 5.2 Changing the Date and T ime You can change the Galaxy 65 Subsystem’s date and time. To set the Galaxy 65 Subsystem’s date and time: 1 From SAM, select Manage Galaxy 65 Subsystem > General Config > Set Date/Time . The Set Date/Time page displays.
Galaxy 65 User Guide 44 5.3.1 Viewing LUN Information You can view information for each existing LUN. To view LUN information: 1 From SAM, select Monitor Galaxy 65 Subsystem > Status > LUN Information . The LUN Information page displays listing each exis ting LUN along with the node WWN, array name, and partition name.
System Configuration 45 Subsystem will not function. You mu st resolve the problem and restart the Galaxy 65 Subsystem. If the problem is not resolved, it will shut down again. Alarm conditions trigger an event message that disp lays in the event log.
Galaxy 65 User Guide 46 5.7 Enabling and Disabling the Battery If you are not using a battery in your Galaxy 65 Su bsystem, the Galaxy 65 Subs ystem will sound an alarm. To eliminate the alarm, you can disable the battery. The default setting is battery enabled.
System Configuration 47 5.9 Rescanning All Ports You can tell the Galaxy 65 Subsystem to scan all disk ports for new or removed disk drives. You can use this option when you install or remove disk drives. The rescan temporaril y pauses all I/O processes, then resumes normal operation.
Galaxy 65 User Guide 48 5.1 1 Saving and Restoring a Configuration File You can save all of your Galaxy 65 Subsystem confi guration settings to a file and restore that file. 5.1 1.1 Saving a Configuration File You can save all of your Galaxy 65 Subsystem confi guration settings to a file .
System Configuration 49 1 From SAM, select Manage Galaxy 65 Subsyste m > Utilities > Configuration Utilities > Restore Config File . The Restore Config File page displays.
Galaxy 65 User Guide 50 5.12 V iewing and Restoring Default Settings You can view and restore all of the Galaxy 65 Subsystem’s default settings. 5.12.1 Viewing Default Settings You can view the Galaxy 65 Subsystem’s defaul t settings as well as the current settings.
System Configuration 51 5.13 Updating Software You can update the Galaxy 65 Subsystem software from SAM using a software pa ckage file. Information regarding the latest release of so ftware and software package files ar e available from your supplier.
Galaxy 65 User Guide 52.
Drive & Eclosure Management 53 Chapter 6 Managing Disk Drives & Enclosures SAM lets you control a variety of functions relate d to devices and enclosur e management processor (EMP) enclosures connected to your Galaxy 65 Subsystem.
Galaxy 65 User Guide 54 6.1.1.1 Displaying All Devices You can display a list of all connected devices. For more information about the fields that display for each device, click Page Help near the bottom of the page. Disk drives that are not members of any array are listed as Available.
Drive & Eclosure Management 55 6.1.3 Enabling and Disabling Write-back Cache You can control the write-back cache setting for all of your disk drives at once.
Galaxy 65 User Guide 56 When you enable SMART, the SMART events are record ed in the event log, which lets you monitor your disk drives or analyze why a disk drive failed. For mo re information about the event log, refer to the X24 Subsystem Getting Started Guide.
Drive & Eclosure Management 57 Before you can use the disk drive agai n, you must clear its metadata. See Appendix F section 6.1.2, ”Clearing Metadata from a Disk Drive”, on page 54 . 6.1.8 T esting a Disk Drive This function issues a Test Unit Ready (TUR) command to the selected disk drive.
Galaxy 65 User Guide 58 You can also set it to NONE, which tells the Galaxy 65 Subsystem not to present a LUN for this EMP under the Galaxy 65 Subsystem’s target ID. You can set LUNs for EMPs that you plan to add by assigning a LUN to the EMP ID you want to use.
Galaxy 65 Troubleshooting 59 Chapter 7 T roubleshooting and Problem Solving 7.1 Overview The Galaxy 65 Enclosure includes a processor and asso ciated monitoring and c ontrol logic to enable it to diagnose problems within the enclosur e’s power, cooling and drive systems.
Galaxy 65 User Guide 60 2 Check the Drive Select ID settings on your Ga laxy 65 Subsystem and on your system host. 3 Check that the LEDs on all installe d drive carrier modules are illuminated Green. Note that the drive LEDs will not be lit du ring drive spinup.
Galaxy 65 Troubleshooting 61 Warning Whenever replacing a module NE VER leave an EMPTY space in the rear of the enclosure, obtain a replacement before removing the problem part. 7.3 Audible Alarm The Ops Panel also includes an Audi ble Alarm which indicates when a faul t state is present.
Galaxy 65 User Guide 62 7.4 T roubleshooting The following sections describe common problems, with possible solutions, which can occur with your Galaxy 65 system Table 7–2 Ops Panel LED States Ops P.
Galaxy 65 Troubleshooting 63 7.4.1 System Faults 7.4.2 Power Supply/Cooling Faults Symptom Cause Action 1 The SYSTEM LED will illuminate AMBER on the LRC 2 Audible Alarm sound The ESI processor has detected an internal fault (e.
Galaxy 65 User Guide 64 7.4.3 Thermal Control The Galaxy 65 Enclosure uses ext ensive thermal monitoring and takes a number of actions to ensure component temperatures are kept low a nd also to minimize acoustic noise.Air flow is from front to rear of the enclosure.
Galaxy 65 Troubleshooting 65 7.4.4 Thermal Alarm 7.5 Drive Carrier Module Faults Disk drive status is monitored by a Green LED and an Amber LED mounted on the front of each Drive Carrier Module, providing the following indications: Drive activity - LED may be off for a length of time during power up.
Galaxy 65 User Guide 66 7.5.2 Auto Start Failure Unless otherwise selected at installation time, all dr ives in the enclosure shoul d automatically start their motors after power is applied. If this has not occurred there is a powe r problem (An alarm and power fault indication would normally be active).
Galaxy 65 Troubleshooting 67 Problem: SAM pages do not display properly. • Be sure that your system meets the system requi rements described in th e Galaxy 65 Subsystem Getting Started Guide. • Configure your browser according to the informat ion in the Galaxy 65 Subsystem Getting Started Guide.
Galaxy 65 User Guide 68 7.10 Array Problems Problem: Array is much smaller than it should be. The backoff percent may be set high er than 1%, which is causing the ar ray to be much smaller than the full size of its member disks. Note We strongly recommend that you leave the backoff percent at 1%.
Galaxy 65 Troubleshooting 69 7.1 1 Galaxy 65 Subsystem Problems Problem: The Storage Manager module ’s STATUS LED does not turn on. Check that the SM module is properly seated in the slot and the handles are closed and locked.
Galaxy 65 User Guide 70 2 With the PSU handle ( Figure 7–3 ) in the open position, slide the module into the enclosure 3 Cam the module home by manually closing the PSU handle (see Figure 7–4 ). A click should be heard as the handle latches engage (see Figure 7–2 ).
Galaxy 65 Troubleshooting 71 Figure 7–3 Removing a Power Supply/Cooling Module (2) Figure 7–4 Removing a Power Supply/Cooling Module (3).
Galaxy 65 User Guide 72 7.12.2 Ops Panel The Ops Panel is an integral part of the enclosure chassis assembly and can only be replaced by trained personnel. 7.12.3 Storage Manager Module Please refer to the Galaxy 65 Getti ng Started Manual (P/N 44521-01A) fo r full information on installing the Storage Manager module.
Galaxy 65 Troubleshooting 73 7.12.3.2 Inserting the Module 1 With the latch in the open positi on, slide the LRC module into the enclosure until the latch engages automatically. 2 Cam the module home by manuall y closing the latches (see Figure 7–7 ).
Galaxy 65 User Guide 74 7.12.4 Insertion/Removal of SFP Modules The LRC Module is fitted with four Small Form Factor (SFP) GBIC modules . Replacement of these modules should be performed in acco rdance with the following procedure: 1 Press down firmly on the removal ta b located at the bottom of the cable.
Galaxy 65 Troubleshooting 75 7.12.6 Drive Carrier Module Please see the Galaxy 65 Getting Started Manual (P/N 44521-01A) for information on the initial installation of the plug-in modul es in the Galaxy 65 enclosure. Warning Observe all conventional ESD precautions wh en handling Galaxy 65 modules and components.
Galaxy 65 User Guide 76 Problem: Galaxy 65 Subsystem failed the onboard memory test. When this failure occurs, it means the internal CPU memory failed. Contact your supplier for a replacement. Problem: System hangs at Loading Bridge during BFLU Loader Menu.
Galaxy 65 Troubleshooting 77 The probable cause of this problem is a bad RS-232 ca ble connection or swapped transmit/receive lines. If the cable is properly con nected on both ends, try a null modem adapter that will reverse the RS-232 transmit and receive signals.
Galaxy 65 User Guide 78 7.15.1 W arnings Warning events let you know that something relat ed to the Galaxy 65 Subsystem or an array has a problem. You should correct the problem as soon as possible. Table 7–4 defines each warning event and recommends the action you should take.
Galaxy 65 Troubleshooting 79 OTHER WWN UNKNOWN The host Fibre Channel World Wide Names (node and port) previously presented by the other SM module (which is currently offline) in this system are unknown. This event has two possible causes: The online SM module reporting the event was replaced or moved while the system was powered off.
Galaxy 65 User Guide 80 7.15.2 Errors Error events let you know that something related to th e Galaxy 65 Subsystem, modu le, or disk drives has failed and requires im mediate attention. Table 7–5 defines each error even t and recommends the action you should take.
Galaxy 65 Troubleshooting 81 7.16 Setting Up and V iewing the Debug Log You can set up additional logging when instructed by Rorke’s technical support personnel. 7.16.1 Summary of Debug Log Capabilities • Single controller debug information: available from the Disk Array Administrator via the serial port on each controller module.
Galaxy 65 User Guide 82 7.16.2.1 SAM: Manage/Utilities/Debug Uti lities/Save Debug Logs/Save Log Files 1 You may optionally enter contact information, which wi ll be included in the log information file.
Galaxy 65 Troubleshooting 83 7.16.4 Using SAM to Set Up and View the Debug Log You can select additional events , which are not normally logged, for the debug log. Under normal conditions, you should not have any of the events select ed. The additional events have a slight effect on read and write performance.
Galaxy 65 User Guide 84 7.18 Using the Loader Utility Menu If you have any diagnostic errors, contact Rorke technical support. 7.19 Understanding Disk-related Errors The event log includes errors report ed by EMPs and disk drives on your system. If you see these errors in the event log, the information bel ow may assist you.
Galaxy 65 Troubleshooting 85 7.19.2 Disk Channel Errors Disk channel errors are similar to disk-detected errors, except they are detected by the Galaxy 65 Subsystem, instead of the di sk drive. Some disk channel errors are displayed as text strings, others are displayed as hexadecimal codes.
Galaxy 65 User Guide 86 7.19.3 V oltage and T emperature Errors and W arnings Most voltage and temperature errors and warnings relate to the Power Supp ly/Cooling modules.
Galaxy 65 Troubleshooting 87 7.21 Spare Parts and Ancillary Items The following replaceable parts are av ailable for the Galaxy 65 Subsystem: 7.22 Upgrading Y our LRC I/O Modules You can upgrade your .
Galaxy 65 User Guide 88 Caution All mandatory settings must be ob served in order for t he Galaxy 65 system to function correctly. Note To set Host 1Gb use the Ethe rnet connected configurator.
Array Basics 89 Appendix A Array Basics Gal axy 65 RAID controllers let y ou set up and manage disk arrays. A disk array (array) is a group of disks that appears to the system as a single virtual disk. This is accomplished through software resident in the RAID controller.
Galaxy 65 User Guide 90 A.1 Array T ypes Array types are defined by their RA ID level, a number from 0 through 5 (a higher RAID level does not necessarily indicate a higher level of performance or fault tolerance).
Array Basics 91 RAID 3 is not well suited for transac tion processing or other applicati ons that require simultaneous reads and writes. A.1.4 RAID 4 RAID 4 is similar to RAID 3 in that the redundant info rmation is achieved in the form of parity data.
Galaxy 65 User Guide 92 A.2 Comparing RAID Levels Table 1–2 illustrates the differences betw een the different RAID levels. Table 1–2 Comparing RAID levels RAID Level Min No.
Array Basics 93 A.3 Mixing Disks from Different Manufacturers or with Different Capacities An array can contain disks with different capacities; for example, an array can include a 36-GB disk and a 72-GB disk.
Galaxy 65 User Guide 94.
Accessing DAM 95 Appendix B Accessing Disk Array Administrator Software The remaining appendices of the Guide describe how to manage your Galaxy 65 Subsystem using the menu-based Disk Array Administrator. You can display and change a variety of settings using the Disk Array Administrator software.
Galaxy 65 User Guide 96 You can perform other configuration functions from either SM and have the same changes made automatically on the other SM: • Managing pool spares • Configuring host channel.
Accessing DAM 97 To access the Disk Array Administrator software using the RS-232 serial port: 1 From the computer connected to the Galaxy 65 Subsystem, start yo ur terminal emulation software. Be sure that your terminal emul ation software is set to use the co rrect COM port on your computer.
Galaxy 65 User Guide 98 You can now perform all of the functions described in the following chapters. All steps start from the System Menu. B.2 Accessing the Disk Array Administrator Using the Ethernet Port You can access the Disk Array Administrator software using the Ethernet port and Telnet.
Accessing DAM 99 • Using the serial connection to t he SM and setting the address. See H.2.1, ”Configuring the IP Settings”, on page 214 . Once you set the IP address and su bnet mask, you can use the steps in the next section to access the Disk Array Administrator software.
Galaxy 65 User Guide 100 If needed, enter the port numb er. The default port is 23. The Enter Password screen displays. 6 Enter your password and press Enter . There is no default password. If you ha ve not set up a password, just press Enter . The initial Rorke Data Disk Array Administrator scre en displays.
Accessing DAM 101 You can now perform all of the func tions described in the following c hapters. All steps start from the System Menu. B.3 Navigating the Disk Array Administrator Software You can navigate the Disk Array Admini strator software using your keyboard.
Galaxy 65 User Guide 102 Note After four minutes of inactivity, th e Disk Array Administrator software ti mes out and returns to the initial screen. B.3.1 Changing the Screen Display After you have accessed the Disk Array Administrator software, you ca n change the screen display using a combination of keystrokes, as shown on the System Menu.
Accessing DAM 103 B.3.2 Disk Array Administrator Menu T ree Figure 2–1 and Figure 2–2 describe the complete Disk Array Admi nistrator menu hierarchy. In the Disk Array Administrator, menu options that are not accessible appear gray. For example, the Array Menu is not accessible unless one or more arrays exist.
Galaxy 65 User Guide 104 Figure 2–2 Menu Tree (sheet 2) Other Controller Menu Other Information Kill Other Unkill Other Shutdown Other Shutdown Both System Menu Array Menu Add an Array Delete an Arr.
Managing Arrays & Partitions 105 Appendix C Creating and Managing Arrays & Partitions Using the Disk Array Administrator, you can create and manage arrays and partitions. You can perform the following array-related functions: • Create arrays (see page 105 ) • Manage arrays (see page 116 ) • Manage partitions (see page 133 ) C.
Galaxy 65 User Guide 106 Note Before you create more than one array, you must be sure that your host operating system supports multiple logical unit numbers (LUNs). Most operat ing systems do, or have an option you can enable to support multiple LUNs.
Managing Arrays & Partitions 107 You can use up to 20 characters. You can include an y characters in the name, including spaces. If you do not want to name the array, you can just press Enter . You can add or change the name later. The system asks if you want to create one partition now for the entire array.
Galaxy 65 User Guide 108 Note A RAID 10 array is created when there are more than two drives in a mirrored array. See , ”Array Basics”, on page 89 , for more information. If you selected RAID 50 as the array type, the Select RAID 50 Array Size scr een displays (not shown) with all possible configurations fo r the array and drive combinations.
Managing Arrays & Partitions 109 7 Select the drives you want to use for the array and press Enter . You select a drive by highlighting it and pressing Enter . Each selected drive turns gray in the drive list. After you press Enter for the number of drives you entered prev iously, the system automatically goes to the next screen.
Galaxy 65 User Guide 110 You select a drive by highlighting it and pressing Enter . Each selected drive turns gray in the drive list. After you press Enter for the number of drives yo u entered previously, the sys tem automatically goes to the next screen.
Managing Arrays & Partitions 111 The system confirms that y ou want to create the array. 12 Select Yes and press Enter . A message notifies you that the array is being cr eated and shows the progress of the initialization process.
Galaxy 65 User Guide 112 4 Select the RAID type: RAID0 , RAID3, RAID4, RAID5, RAID50, VOLUME (a single drive similar to just a bunch of disks (JBOD) except that it includes metadata), or MIRRORED and press Enter . Note A RAID 10 array is created when there are more than two drives in a mirrored array.
Managing Arrays & Partitions 113 5 Enter the number of drives (excluding spares) you want in the array and press Enter . The Select Drives screen displays (sho wn below).
Galaxy 65 User Guide 114 6 Select the drives you want to use for the array and press Enter . You select a drive by highlighting it and pressing Enter . Each selected drive turns gray in the drive list. After you press Enter for the number of drives yo u entered previously, the sys tem automatically goes to the next screen.
Managing Arrays & Partitions 115 You select a drive by highlighting it and pressing Enter . Each selected drive turns gray in the drive list. After you press Enter for the number of drives you entered prev iously, the system automatically goes to the next screen.
Galaxy 65 User Guide 116 The system confirms that you want to create the array. 11 Select Yes and press Enter . A message notifies you that the array is being crea ted and shows the progress of the initialization process.
Managing Arrays & Partitions 117 C.2.1 Viewing Array and Drive Status Information Array and drive status informat ion is available in two ways: • View array status (see page 117 ) • View drive status (see page 119 ) C.
Galaxy 65 User Guide 118 2 Select the array you want and press Enter . The array menu displays. 3 Select Array Status and press Enter The status screen displays showing th e status of the array you selected.
Managing Arrays & Partitions 119 4 Press Esc to return to the Array Menu. C.2.1.2 Viewing Drive Status You can view the status of the drives in an array, including the following information: • Drive number: The drive’s sequential position in the Galaxy 65 Subsystem’s drive list.
Galaxy 65 User Guide 120 2 Select the array you want and press Enter . The array menu displays. 3 Select Drive Status and press Enter The drive status screen displays showing the drives that are members of the array and that are assigned as dedicated spares.
Managing Arrays & Partitions 121 4 Select Yes and press Enter . C.2.3 Adding a Partition If you created a multiple-partition array, you must create at least one partition on the array before you can use the array. You can create partitions on a multiple-p artition array until you use all of the free space.
Galaxy 65 User Guide 122 5 Enter the size you want to make the partition and press Enter . The Partition Name screen displays. 6 Enter a name for the partition and press Enter . You can use up to 20 characters. You can include an y characters in the name , including spaces.
Managing Arrays & Partitions 123 The LUN screen displays. 7 Select the LUN for the partition and press Enter . The LUN that displays is the suggested default LUN assignment. Note Most UNIX, Linux, and Macintosh operating system s require that the CAPI LUN, which is the LUN assigned to each SM, be set to a higher value than all array LUNs.
Galaxy 65 User Guide 124 You may want to verify an array wh en you suspect there is a problem. To verify an array: 1 From the System Menu, select Array Menu and press Enter . The Select Array screen displays with a list of existing arrays. 2 Select the array you want and press Enter .
Managing Arrays & Partitions 125 To return to the verification menu, press Esc . To check the progress of the array verification, you can use the verification status described below or select Array Menu from the System Menu. The status of the verification displays in the list of arrays.
Galaxy 65 User Guide 126 To stop the verification process: 1 From the System Menu, select Array Menu and press Enter . The Select Array screen displays with a list of existing arrays. 2 Select the array you want and press Enter . The array menu displays.
Managing Arrays & Partitions 127 The number of drives you can add to an ar ray depends upon the RAID level as shown in Table 3–2 . You also cannot exceed the maximum number of drives for each RAID level. See C.1, ”Creating Arrays”, on page 105 .
Galaxy 65 User Guide 128 5 Enter the number of drives you want to add and press Enter . The Select Drives screen displays. 6 Select the drives you want to add from the list of available drives and press Enter . Only available drives, that is, drives that are not members of an array and are not assigned as dedicated or pool spares, display.
Managing Arrays & Partitions 129 You select a drive by highlighting it and pressing Enter . Each selected drive turns gray in the drive list. After you press Enter for the number of drives you entered pr eviously, the system automatically begins the expansion.
Galaxy 65 User Guide 130 5 Select Yes and press Enter . C.2.8 Changing Array Ownership You can change the ownership of any array between the SMs. You might want to change ownership if you plan to replace or repair one SM.
Managing Arrays & Partitions 131 2 Select Option Configuration and press Enter . The Option Configuration Menu displays. 3 Select Enable Trust Array and press Enter The Enable Trust Array screen displays. 4 Select Enable and press Enter . The option is only enabled until you use it.
Galaxy 65 User Guide 132 2 Select the array you want to delete and press Enter . The system asks you to confirm the deletion. 3 Select Yes and press Enter .
Managing Arrays & Partitions 133 C.3 Managing Partitions The Disk Array Administrator software lets you manage partitions in a variety of ways. You can: • View partition status information (see .
Galaxy 65 User Guide 134 You can only expand a partition into c ontiguous, following, free space. In Figure 3–2 , you can expand partition 1 or you can create additi onal partitions in the free space.
Managing Arrays & Partitions 135 • Percentage of total array : The percentage of the total array that this partition represents. • Write-back caching : Status of the write-back cache (enabled or disabled) for this array. • InfoShield Type : Type of InfoShield set up on the partition.
Galaxy 65 User Guide 136 The status screen displays showing the status of the partition you selected. 3 Press Esc to return to the partition menu. C.3.
Managing Arrays & Partitions 137 To view the partition statistics: 1 Display the partition menu. 2 Select Partition Statistics and press Enter . The statistics menu displays. 3 Select View Statistics and press Enter . The statistics screen displays showing the statistics of the partition you selected.
Galaxy 65 User Guide 138 4 Press Esc to return to the statistics menu. C.3.2.3 Resetting Partition Statistics You can reset the following par tition statistics to zero: • Read •W r i t e •S e c .
Managing Arrays & Partitions 139 To reset partition statistics: 1 Display the partition menu. 2 Select Partition Statistics and press Enter . The statistics menu displays. 3 Select Reset Statistics and press Enter . The system confirms that yo u want to make the change.
Galaxy 65 User Guide 140 To expand a partition: 1 Display the partition menu. 2 Select Expand Partition and press Enter . The Expand Partition screen displays. 3 Enter the size you want to make the partition and press Enter . You can only expand a partition into contiguous free space that follows the partition.
Managing Arrays & Partitions 141 2 Select Change Partition Name and press Enter . The Enter New Name screen displays. 3 Enter the name you want to use and press Enter . You can use up to 20 characters. You can include any characters in the name, including spaces.
Galaxy 65 User Guide 142 C.3.6 Changing the Read-Ahead Cache Size You can change the read-ahead cache setting for each partition. This setting controls how much data the Galaxy 65 reads ahead and stores in it s cache memory during sequential reads.
Managing Arrays & Partitions 143 3 Select Read-Ahead Size and press Enter The Read-Ahead Size screen displays. 4 Select the amount of data you wa nt the Storage Manager to read ah ead for this partition and press Enter .
Galaxy 65 User Guide 144 To enable or disable write-back cache: 1 Display the partition menu. 2 Select Change Cache Params and press Enter . Change Cache Params screen displays. 3 Select Write-back Cache and press Enter The Write-back Cache screen displays.
Managing Arrays & Partitions 145 Figure 3–5 shows an example of how you can use InfoShield. Figure 3–5 InfoShield example For example, in Figure 3–5 , Array A has two partitions. Partition 1 has an include list that contains only Accounting, so only the Accounting se rver can access partition 1.
Galaxy 65 User Guide 146 . Select General InfoShield and press Enter . The General InfoShield screen displays. 2 Select Display Host List and press Enter . The Display Host List screen displays showing t he last 16 WWNs known to the Galaxy 65 Subsystem.
Managing Arrays & Partitions 147 Note A host’s WWN is placed at the top of the known host s list whenever the host performs a device discovery or bus scanning type of operation.
Galaxy 65 User Guide 148 The Add or Name Host screen displays the last 16 known WWNs and host nick names that you have set up. If you want to change the nicknam e, enter the new nickname in step 5 . For more information, see C.3.8.1, ”Viewing Know n WWNs”, on page 145 .
Managing Arrays & Partitions 149 To set up InfoShield: 1 Display the partition menu. 2 Select InfoShield and press Enter . The InfoShield menu displays and sh ows the current InfoShield type at the top. The default setting for each partition LUN is Include All Host s.
Galaxy 65 User Guide 150 • Display Host List: Displays a list of the hosts currently on th e include or exclude list for the selected partition. This option only displays hosts if you ha ve already used Add Host to List and added one or more WWNs to an include or exclude list.
Managing Arrays & Partitions 151 the existing setting for each partition. However, the Galaxy 65 Subsystem retains all existing include and exclude lists. If you use this option and later need to change back to your previous InfoShield settings, you must do so by changing the setting for eac h partition individually.
Galaxy 65 User Guide 152.
Monitoring System Status 153 Appendix D Monitoring System Status D.1 Introduction Using the Disk Array Administrator, you can moni tor your system. You should monitor your system regularly to ensure that the Galaxy 65 Subsystem, disks, and arrays are working proper ly.
Galaxy 65 User Guide 154 D.2 Displaying the Event Log The SM’s event log contains important information ab out the status of the Galaxy 65, disks, and arrays.
Monitoring System Status 155 display, the initial screen displays. The initial scre en alternates between displaying the date, time, and temperature and the model number of your hardware. You can bypass all ev ents by pressing Tab . D.2.2 Viewing One Event at a T ime You can view an SM’s even ts one at a time.
Galaxy 65 User Guide 156 3 Press ↑ to see the previous event. You can continue to view earlier events by pressing ↑ . 4 Press Esc to return to the Event Log Menu. D.2.3 Viewing a Whole Screen of Events You can also view a SM’s events from the log file a whole screen at a time.
Monitoring System Status 157 . 2 Press U to page up or D to page down in the log or use the other keys as listed at the bottom of the screen to navigate within the event log. 3 Keep pressing CTRL-E to page through the other informatio n screens and return to the menu.
Galaxy 65 User Guide 158 6 From the Transfer menu in HyperTerminal , select Capture Text, then select Stop. 7 To capture the event log fo r the other SM, repeat steps 1 through 6 from the computer connected to the other SM.
Monitoring System Status 159 D.4 Displaying Hardware and Configuration Information You can display the Galaxy 65 Subs ystem’s hardware and configuration information. This is where you can see what version of the fi rmware you have. Technical support personnel may request this information.
Galaxy 65 User Guide 160 DISK 0 DISK 1 DISK 2 DISK 3 Online or Offline Health Status of disk channel based on whether a disk enclosure is connected and can be: Good, Down (not online) Probation (had e.
Monitoring System Status 161 To display hardware information only: 1 From the System Menu, select Utilities Menu and press Enter . The Utilities Menu displays. 2 Select Hardware Information and press Enter . The Hardware Information screen displays CAPI Version Version of the Configuration Application Programming Interface.
Galaxy 65 User Guide 162 . 3 Press Esc to return to the Utilities Menu. To display hardware and configuration information: 1 From anywhere in the Disk Arra y Administrator software, press CTRL-E until the HW Info screen displays. The HW Info screen displays.
Monitoring System Status 163 2 Press CTRL-E again. The CFG Info screen displays. Press U to page up or D to page down in the screen or use the other keys as listed at the bottom of the screen to navigate within the CFG screen. 3 Press CTRL-E to display the next screen of configuration information or Esc to return to where you started from.
Galaxy 65 User Guide 164 D.5 Capturing the Event Log, Hardware, and Configuration Information You can capture and save the following info rmation to a file on your hard drive: • Entire event log • All hardware information • All configuration information • All debug information that is turned on.
Monitoring System Status 165 To display drive errors: 1 From the System Menu, select Display Drives and press Enter . The Display Drives screen displays. 2 If a drive has an E next to it, select the drive and press Enter to display the error information.
Galaxy 65 User Guide 166 different RAID levels to determine which level gives you the best performance. See , ”Array Basics”, on page 89 for more details on RAID levels Note The statistics are provided as gen eral information for your use, however, they are not intended for benchmarking purposes.
Managing Spares 167 Appendix E Managing Spares Using the Disk Array Administra tor, you can manage spares. Rorke Data RAID controllers automatically reconstruct redundant (fault-t olerant) arrays (RAID 3, RAID 4, RAID 5, RAID 50, and mirrored) if an array becomes critical and a properl y sized spare drive is available.
Galaxy 65 User Guide 168 E.1 Managing Dedicated Spares Dedicated spares are unused disk driv es that you assign as a spare to a specific array. The disk must be as large as the smallest member of the array. You cannot use a dedi cated spare drive as a member of an array or as a pool spare.
Managing Spares 169 2 Select the array you want and press Enter . The array menu displays. 3 Select Delete Spare and press Enter . 4 Select the spare drive you want to delete and press Enter . The system confirms the deletion. 5 Select Yes and press Enter to delete the spare.
Galaxy 65 User Guide 170 4 Select Enabled and press Enter . The Rescan Rate screen displays. 5 Enter the rescan rate in minutes. This tells the SM how often it should look for an available drive by rescanni ng the bus. Rescanning the bus frequently can affect performance.
Managing Spares 171 E.3.1 Adding a Spare to the Spare Pool You can add up to eight drives to the spare pool to reconstruct any critical array on the Galaxy 65 Subsystem. After an array has starte d using a pool spare, ot her critical arrays are prevented from using it.
Galaxy 65 User Guide 172.
Managing Drives & Enclosures 173 Appendix F Managing Disk Drives and Enclosures Using the Disk Array Administrator, you can control a variety of functions rela ted to disk drives and enclosure management processo r (EMP) enclosures connected to your Galaxy 65 Subsystem.
Galaxy 65 User Guide 174 F.1.1.1 Displaying All Drives You can display a list of all connec ted drives. The information includes: • Loop ID •S i z e • Vendor • Model number (toggles with node .
Managing Drives & Enclosures 175 To display all drives: 1 From the System Menu, select Display Drives and press Enter . The Display Drives screen displays. If a drive has an E in the first co lumn, select the drive and press Enter to display the error.
Galaxy 65 User Guide 176 • Size: Size of the drive in MB • Usage: If a member of an array, th is displays the array name and member number. If a spare, this displays the type of spare. If unus ed, this displays Available. If the drive was part of an array that no longer exists, this displays Leftover.
Managing Drives & Enclosures 177 F.1.1.3 Displaying Drive Errors and Resetting Error Statistics You can display drive errors for a specific drive. Yo u know a drive has errors when you see the letter E in the first column of the Display Drives screen.
Galaxy 65 User Guide 178 Typically, if your drives are part of an array, you do not want to turn on write-back cache on the drives. The Galaxy 65 Subsystem is already using write-back cache to improve performance.
Managing Drives & Enclosures 179 3 Select the option you want and press Enter . 4 Restart or rescan to have your changes take effect. See G.1.1, ”Shutting Down and Restarting the Current SM Module”, on page 190 or G.10, ”Rescanning All Channels”, on page 206 .
Galaxy 65 User Guide 180 3 Select Display Drive Cache and press Enter The Select Drives screen displays. 4 Select a drive and press Enter . The cache status screen displays showing the status of the read and write cache. 5 Press Esc to return to the Drive Utilities Menu.
Managing Drives & Enclosures 181 F .1.5 Enabling and Disabling SMART Changes You can enable or disable the abi lity to change the Self-Monitoring, Analysis and Reporting Technology (SMART) settings for all drives connected to t he Galaxy 65 Subsystem.
Galaxy 65 User Guide 182 F .1.6 Blinking a Drive LED You can blink the LED on a specific drive one of two ways: • From the Drive Utilities Menu (only works for a single drive; see below) • From the Display Drives list when you add a pool sp are or display all drives (works for multiple drives).
Managing Drives & Enclosures 183 4 Select the drive you want and press Enter . The system confirms that you want to make the change. 5 Select Yes and press Enter to make the change. To make the drive display agai n, you must use Rescan. See G.10, ”Rescanning All Channels”, on page 206 .
Galaxy 65 User Guide 184 F .2.1 Setting the EMP LUN If you have only one EMP, the configuration se ttings are automatically ena bled when the Galaxy 65 Subsystem is installed. If you have more than one EMP, you must set up the EMP LUNs as described in this section.
Managing Drives & Enclosures 185 3 Select EMP LUNs and press Enter . The EMP LUNs screen displays. 4 Select the EMP you want and press Enter . The Galaxy 65 Subsystem assigns EMP IDs sequentially when it starts.
Galaxy 65 User Guide 186 5 Select the option or number you want to use. The system confirms that you want to make the change. 6 Select Yes and press Enter to make the change. 7 Restart to have your changes take effect. See G.1.1, ”Shutting Down and Restarting the Current SM Module”, on page 190 .
Managing Drives & Enclosures 187 F .2.2 Changing the Additional EMP Setting You can change one addi tional EMP setting: • Polling interva l: This is the interval, in seconds, that the Galaxy 65 Subsystem polls the EMPs for status changes. If the polling rate is set to ze ro, the Galaxy 65 Subsystem does not communicate with the EMP.
Galaxy 65 User Guide 188.
Configuring Galaxy 65 189 Appendix G Configuring the Galaxy 65 Subsystem Using the Disk Array Administrator, you can configure settings and perf orm a variety of functions on the Galaxy 65 Subsystem.
Galaxy 65 User Guide 190 G.1 Shutting Down and Restarting the Storage Manager Module • Shut down and restart the current SM module : Gracefully shuts down and restarts the SM module you are currently accessing using the Disk Array Administrator software (as shown at the bottom of each screen).
Configuring Galaxy 65 191 2 Select Shutdown/Restart and press Enter The system confirms that you want to shut down 3 .Select Yes and press Enter . The system confirms that it has shut down. To restart the SM, press Enter to restart. The system performs its self-test.
Galaxy 65 User Guide 192 To shut down the other SM module: 1 From the System Menu, select Shutdown Menu and press Enter The Shutdown Menu displays. 2 Select Shutdown Other and press Enter The system confirms that you want to shut down. 3 Select Yes and press Enter .
Configuring Galaxy 65 193 3 Select Set Date and press Enter . The Set Date screen displays . 4 Enter the date you want and press Enter ..
Galaxy 65 User Guide 194 Enter the date in the following format: MM/DD/YYYY. The system confirms that you want to make the change. 5 Select Yes and press Enter to make the change. The system confirms th at the change is made. 6 Press Esc to return to the Configuration Menu.
Configuring Galaxy 65 195 G.3 Configuring the Host Channels You can configure several settings fo r each host channel independently. Table 7–1 lists the host channel settings and what they do.
Galaxy 65 User Guide 196 To configure the host channels: 1 From the System Menu, select Configuration Menu and press Ente r. The Configuration Menu displays. 2 Select Host Configuration and press Ente r. The Select Host Channel screen displays. 3 Select the host channel you want to configure and press Ente r.
Configuring Galaxy 65 197 6 Select the option or num ber you want and press Ente r. The CAPI LUN screen displays. 7 Select the option or number you want to use. There is just one CAPI L UN for each SM module. The system confir ms that you want to make the change.
Galaxy 65 User Guide 198 2 Select LUN information and press Enter The LUN Information screen displays..
Configuring Galaxy 65 199 3 Press Esc to return to the Utilities Menu. G.5 Configuring the FC Disk Channels You can change two configuration op tions for each FC disk channel: • Link speed : This is the maximum speed the Galaxy 65 Subsystem will attempt to negotiate.
Galaxy 65 User Guide 200 Table 7–2 Ops Panel Switch Functions • Initiator ID assigned to each channel : The Galaxy 65 Subsystem assigns each of its FC disk channels one of the FC loop IDs (initiator IDs). The Initiator ID setting is set via the Disk Array Administrator.
Configuring Galaxy 65 201 3 Select the channel you want and press Enter . 4 Select the initiator ID you want and press Enter . The system confirms that you want to make the changes. 5 Select Yes and press Enter to make the changes. 6 Press Esc to return to the Configuration Menu.
Galaxy 65 User Guide 202 A change to this setting on either SM module is automatically updated on the other SM module. Table 7–3 shows the temperature and voltage thresholds for each alarm and what to do to resolve the problem.
Configuring Galaxy 65 203 To enable or disable the alarm: 1 From the System Menu, select Configuration Menu and press Enter . The Configuration Menu displays. 2 Select Alarm Mute and press Enter The Alarm Mute screen displa ys. The current setting is marked with an * next to it.
Galaxy 65 User Guide 204 G.7 Locking the Cache Setting You can prevent host systems from using SCSI mode-select commands to change the Galaxy 65 Subsystem’s write-back cache setting. Some operating systems disable write cache. If cache lock is enabled, the host cannot modify the cach e setting.
Configuring Galaxy 65 205 4 Select the option you want and press Enter . G.8 Enabling and Disabling the Battery If you are not using a battery in y our Galaxy 65 Subsystem, the Galaxy 65 Subsystem will sound an alarm. To eliminate the alarm, you can disable the battery.
Galaxy 65 User Guide 206 4 Select the option you want and press Enter . 5 Restart to have your changes take effect. See G.1, ”Shutting Down and Restarting the Storage Manager Module”, on page 190 . G.9 Changing the Utility Priority You can change the priority at whic h all utilities (Verify, Reconstruct, Expand, Initialize, etc.
Configuring Galaxy 65 207 3 Select the option you want and press Enter . G.10 Rescanning All Channels You can tell the Galaxy 65 Subsystem to scan all disk channels for new or removed disk drives. You can use this option when you install or remove drives.
Galaxy 65 User Guide 208 2 Select Rescan and press Enter . G.1 1 Pausing I/O Most drive enclosures allow you to remove and replac e drives while FC disk channel activity continues. However, you may still want to pause I/O if you are replacing more than one disk drive.
Configuring Galaxy 65 209 3 When you have replaced the drive, re sume back end activity by pressing Esc . Caution Do not stay in the Hot Swap Pause mode for too long; otherwise, an ope rating system time-out may occur (the time varies according to the operating system).
Galaxy 65 User Guide 210 G.13 Updating Firmware You can update five types of firmwa re for each Galaxy 65 Subsystem: • Storage Manager • Storage Manager loader • Memory controller • LAN Subsystem • LAN Subsystem loader Information regarding the latest re lease of firmware and firmware u pdates is available from technical support.
Configuring Galaxy 65 211 8 Press the number on your ke yboard that corresponds to the protoc ol you want to use to transfer the firmware upgrade file from your computer to the SM module. We recommend using the KERMIT protocol. The system shows that it is ready to use KERMIT.
Galaxy 65 User Guide 212 To upgrade the LAN Subsystem’s firmware: 1 Check the version of LAN firmwa re you have now by pressing CTRL-E until the configuration information screen with that information displays. 2 Call technical support for information about downloading the firmware updates.
LAN Configuration 213 Appendix H LAN Configuration . Before you can access the Disk Array Administrator software using the Ethernet port, you must set up each SM module for TCP/IP.
Galaxy 65 User Guide 214 H.2 Configuring the LAN Settings You can configure several LAN settings for each SM using the Disk Array Administrator software: • IP settings (see page 214 ) • FTP settin.
LAN Configuration 215 4 Select the option you want and press Enter . The screen displays related to the option you selected. 5 Enter the IP address, subnet mask, or gateway you want and press Enter . The system confirms that yo u want to make the change.
Galaxy 65 User Guide 216 Changes to either of these settings on either SM module are automatically updated on the other SM module. To set the Telnet settings: 1 From the System Menu, select Configuration Menu and press Enter . The Configuration Menu displays.
LAN Configuration 217 3 Select SNMP Settings and press Enter . The SNMP Settings screen displays. 4 Select the option you want and press Enter . The screen displays related to the option you selected. 5 Enter or select the opt ion you want and press Enter .
Galaxy 65 User Guide 218 H.2.6 Configuring the HTTP Settings You can set up the passwords for SAM, the browser-ba sed interface. In SAM, you can set up two types of SAM users: • Monitor : Have access to only the Monitor menu that lets you view the status and statistics pages.
LAN Configuration 219 • HTTP : Controls access to the SM modules using hypertext transfer protocol (HTTP), which permits you to manage the SM modules usin g SAM. The default is enabled. • SNMP : Controls the availability of SNMP, which perm its remote monitoring of the Galaxy 65 using your LAN.
Galaxy 65 User Guide 220.
Glossary 221 Glossary In glossary definition s, italics are used for items defined elsewhere in the glossary and bold is used for the items shown in brackets afte r the main heading of the entry. address An address is a data structure or logical convention used to identi fy a unique entity, such as a particular process or network device.
Galaxy 65 User Guide 222 Characters Per Second A data transfer rate generally estimat ed from the bit rate and the character length. For example, at 2400 bps, 8-bit characters wi th Start and Stop bits (for a total of ten bits per character) will be transmitted at a rate of approximately 240 charac ters per second (cps).
Glossary 223 FC port An FC port is the opening at the back of a router that provides a fiber optic connection between the FC adapter and FC host. FC protocol for SCSI (FCP) FCP defines an FC mapping layer (FC- 4) that uses FC-PH services to transmit SCSI command, data, and status informatio n between a SCSI initiator and SCSI target.
Galaxy 65 User Guide 224 initiator mode Initiator mode is the configur ation mode of a device in which an FC or SCSI initiator requests operations to be performed by an FC or SCSI target device. kill In Active-Active mode, one controller can kill the ot her controller by resetting it and taking it offline.
Glossary 225 Parallel Transmission The transfer of data charac ters using parallel electrical paths for each bit of the character, for example, 8 paths for 8- bit characters. Data is stored in computers in parallel form, but may be converted to serial form for certain operations.
Galaxy 65 User Guide 226 SCSI port A SCSI port is an opening at the back of a rout er that provides connec tion between the SCSI adapter and SCSI bus. Serial Transmission The transfer of data characters one bit at a time, sequentially, using a single electrical path.
Glossary 227 Any disk drives with write-back cache enabled should be connected to an Uninterruptible power supply (UPS) in case of a power failure. If the drives are not on a UPS and powe r is lost during disk writes, the array will lose any data in the disk’s write-back cache.
Galaxy 65 User Guide 228.
Index 229 Index a Abort an Array Utility page 22 Abort Initialization 120, 121 Abort Verify 126 access to partitions, controlling 27, 144 accessing the Disk Array Administrator software 95, 103 Add a .
Galaxy 65 User Guide 230 expanding for arrays 126 expanding for partitions 134, 139 CAPI LUN changing 44 CAPI LUNs changing 44, 195 defined 43, 196 capturing complete event, hardware, and configuratio.
Index 231 partitions 31, 151 pool spares 171 disabling SMART changes 55, 181 the battery 46, 204 write-back cache changes 55, 177 Disk 18 Disk Array Administrator accessing 95, 103 changing the screen.
Galaxy 65 User Guide 232 Enable Trust Array 131 Enable Trust Array screen 131 enabling SMART changes 55, 181 the battery 46, 204 write-back cache changes 55, 177 Enclosure 2, 4, 10, 11, 64, 66 Enclosu.
Index 233 enabling the battery 46, 204 locking the cache setting 45, 203 monitoring status of 33, 153 problems with 69 rescanning all ports 47 rescanning channels 206 restoring defaults 50, 208 select.
Galaxy 65 User Guide 234 LAN subsystem resetting 219 updating firmware for 210 updating software for 51 LAN subsystem loader updating software for 51 LED 4, 5, 10, 60, 63, 65 LEDs blinking for disk dr.
Index 235 Number of Drives screen 108, 113 Number of Spares screen 109, 114 o Operators Panel 2, 5 Ops Panel 5, 10, 15, 59, 61, 63 Ops Panel LED 15 Ops Panel Switch Functions 6, 88 Option Configuratio.
Galaxy 65 User Guide 236 remote notification starting and stopping 34 Remove Host from List 150 Rescan 207 Rescan page 47 rescanning all ports 47 channels 206 Reset All Statistics page 37 Reset LAN Su.
Index 237 updating for the storage controller loader 51 updating for the Galaxy 65 51 updating for the Galaxy 65r 51 spares adding dedicated 168 adding pool 171 defined 167 deleting dedicated 168 dele.
Galaxy 65 User Guide 238 Utility Priority screen 205, 206 v Verify Array page 22 Verify Function 124, 125, 126 verifying data 22, 123 status of 125 stopping the process 22, 125 View Debug Log page 83 .
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Galaxy Metal Gear 65 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Galaxy Metal Gear 65 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Galaxy Metal Gear 65 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Galaxy Metal Gear 65 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Galaxy Metal Gear 65, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Galaxy Metal Gear 65.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Galaxy Metal Gear 65. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Galaxy Metal Gear 65 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
