Manuale d’uso / di manutenzione del prodotto MegaRAID SCSI 320-1 RAID Controller Series 520 del fabbricante LSI
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® MegaRAID ® SCSI 320-1 RAID Controller HARD W ARE GUIDE September 20 02.
ii Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. This doc ument co ntains prop rietary info rmation of LSI L ogic Corporati on. The inf or mation c ontained h erein is not to be us ed by or disclo sed to th ird par ties withou t the e xpress w ritten permission of an of ficer of LSI Logic Corpora tion.
iii Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. FCC Regulatory Statement This de vice compli es with P art 15 of the FCC Rules .
iv Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved..
MegaRAID SCSI 320-1 Hardw are Guide v Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. Preface This b ook is the pr imar y reference and Hardware Gu ide for the LSI Log ic MegaRAID ® SC SI 320-1 Con troller. It contains instr uctions f or instal ling the MegaRA ID contr oller and for con figur ing RAID arra ys.
vi Preface Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. · Chapter 6, Hardw are Installa tion , e x plains how to install the MegaRAID S CSI 320 -1 control ler . · Chapter 7, T rouble shooting , provides troubleshooting i nformatio n f or the M egaRAID SCSI 320- 1 contr oller .
Pref ace vii Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. Logical Drive Configuration Use this f o rm to reco rd the con figuration details for your logical dri v es. Operat ing System : BIOS Date: Op . Sys. V er .: Video Ad apter: Mega RAID Driver V e r .
viii Pr eface Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. LD7 LD8 LD9 LD10 LD11 LD12 LD13 LD14 LD15 LD16 LD17 LD18 LD19 LD20 LD21 LD22 LD23 LD24 LD25 LD26 LD27 LD28 LD29 LD30 LD31 Logical Drive Configuration (Cont.
Pref ace ix Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. Physical Device Lay out Use this f o rm to reco rd the physical device layout.
xP r e f a c e Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. Device type Logical driv e numbe r/Driv e numbe r Manu f actu rer/M ode l number Firmware le vel T arget ID Device t.
Pref ace xi Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. Device type Logical driv e numbe r/Driv e numbe r Manu f actu rer/M ode l number Firmware le vel T arget ID Device type.
xii Preface Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. Device type Logical driv e numbe r/Driv e numbe r Manu f actu rer/M ode l number Firmware le vel T arget ID Device type.
MegaRAID SCSI 320-1 Ha rdware G uide xiii Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. Contents Chapter 1 Overv iew 1. 1 F eatures 1-2 1.2 SCSI Chann el 1-2 1.3 NVRAM and Flas h ROM 1-2 1.4 SCSI Conne ctors 1-2 1.5 Single-E nded and Di ff e rential SCSI Buses 1-3 1.
xiv Co ntents Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. 2.3.6 Disk Mi rrori ng 2-6 2.3.7 Disk Spanning 2-7 2.3.8 P ari ty 2-8 2.3. 9 Hot Sp ares 2-8 2.3.10 Hot Swapping 2-9 2.3.11 Disk Rebuild 2-9 2.3.12 Logical Drive States 2-10 2.
Contents xv Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. 4.9.7 SCSI T e rm inatio n 4-8 4.9.8 SCSI Fir mware 4-9 4.10 RAID Ma nagement 4-9 4.10.1 MegaRAID B IOS Configura tion Utility 4-9 4.10.2 W ebBIOS Configuration Ut ility 4-10 4.
xvi Co ntents Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. 6.2.4 Step 4: Set T er minat ion 6-6 6.2.5 Step 5 : Install M egaRAID SC SI 320- 1 6-12 6.2.6 Step 6: Connect SC SI Devices 6-13 6.2.7 Step 7: Se t T arget IDs 6-1 4 6.
Contents xvii Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. Index Customer Feedback.
xvii i Conte nts Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved..
MegaRAID SC SI 320-1 Hardw are Guide 1-1 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Chapter 1 Overvie w This chap ter provid es an overvi e w of th e MegaR AID ® SCSI 320-1 an d basic SC SI f eatu res. It contai ns the following sec tions: · Section 1.
1-2 Over vi ew Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 1.1 Features MegaRAID S CSI 320-1 f e atures inc lude: · A high- performance input/ output (I/O) migration pat h while.
Single-En ded and Diff erential SCSI Bus es 1 -3 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 1.5 Single-Ended and Di fferential SCSI Buses The SCS I standar d defines two electri cal buses: · Single- ended bus · Low-voltage diff erenti al bus 1.
1-4 Over vi ew Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 1.7 SCSI Bus Widths and Maxim um T hr oug hput Ta b l e 1 . 2 list s the SCSI bus widths and maximum throughpu t, based on the SCSI s peeds.
Documenta tion 1-5 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 1.8.3 MegaRAI D Operating Syste m Driver Inst allation Guide This m anual provides de tailed in f o rm ation abou t install ing the Meg aRAID SCSI 320- 1 operating system drivers.
1-6 Over vi ew Cop yright © 2002 by LSI Logic Corporation. All rights reserved..
MegaRAID SC SI 320-1 Hardw are Guide 2-1 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Chapter 2 Intr oduction to RAID This chap ter introdu ces i mpor tan t RAID concep ts. It conta ins the f ollowin g sectio ns: · Section 2.1, “R AID Ben efits” · Section 2.
2-2 Intr oduct ion t o RAI D Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 2.1.2 I ncreased Rel iabil ity The ele ctromechan ical co mponen ts of a dis k subs ystem ope rate more slowly , requir e more power , and gene rate more noise an d vibration tha n electro nic devices.
RAID Overv iew 2-3 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 2.2.2 SC SI-to-SCSI External RAID A SCSI- to-SC SI extern al RAID produ ct puts the RA ID intell igenc e inside the RAI D chassi s and us es a plai n SCSI hos t adapter installe d in the network ser ver .
2-4 Intr oduct ion t o RAI D Cop yright © 2002 by LSI Logic Corporation. All rights reserved. · A combi nation of any two of the above conditions 2.3.3 Cons istency Che ck A cons istency c heck verifies the correc tness of redundant d ata in a RAID array .
RAID Overv iew 2-5 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Figure 2.1 Disk Striping Disk st riping inv o lves par titi oning eac h disk dr ive’ s storag e space into strip es th at ca n v ar y in siz e fr om 2 to 128 Kb ytes.
2-6 Intr oduct ion t o RAI D Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 2.3.5.2 Stripe Si ze The str ipe si ze is the len gth of the inter leav ed data segm ents that MegaRAID S CSI 320 -1 writ es acro ss multiple dr ives. MegaRAID SC SI 320-1 s uppor ts str ipe sizes o f 2, 4, 8, 16, 3 2, 64, o r 128 Kbytes.
RAID Overv iew 2-7 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 2.3.7 Disk Spanning Disk s panning allows multiple dis k drives to function like one big dri v e. Spann ing ov ercom es lack of disk space a nd simplifi es storage managemen t by combinin g ex istin g resour ces or ad ding rel ativ ely inexpensive resourc es.
2-8 Intr oduct ion t o RAI D Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Ta b l e 2 . 1 des cr i bes how dis k sp annin g is used for RAID 10 an d RA ID 50 . Note: Spann ing two co ntiguo us RAID 0 l ogical d rives doe s not produce a new RAID lev e l or add fault t olerance.
RAID Overv iew 2-9 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. has a ca pacity clos est to and at least as great as that of the failed dr iv e to take the plac e of the failed dr ive. Note: Hot spa res are empl o yed only in ar ra ys with redund ancy— f o r e xam ple, RAID lev el s 1, 5, 10, a nd 50.
2-10 Introduc tion to RAID Cop yright © 2002 by LSI Logic Corporation. All rights reserved. The Meg aRAID SCSI 32 0-1 rebuild rate can be configured bet ween 0% and 100%. A t 0%, the rebuild is only done if the system is not doing anything else. At 100%, the rebuild has a higher pr ior ity than any other system activit y .
RAID Overv iew 2-11 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 2.3.14 Disk Arra y T ypes Ta b l e 2 . 4 des cribes th e RAID disk a rra y types. 2.3.15 Enclosur e Management Enclos ure mana gement is the intell igent m onitori ng of the di sk subsys tem by software an d/or hard ware.
2-12 Introduc tion to RAID Cop yright © 2002 by LSI Logic Corporation. All rights reserved..
MegaRAID SC SI 320-1 Hardw are Guide 3-1 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Chapter 3 RAID Le vels This chap ter desc rib es each sup por t ed RAID lev el and th e factors to consid er when choo sing a RAID lev e l. It conta ins the follo wing sections: · Section 3.
3-2 RAI D Lev els Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 3.2 RAID 0 RAID 0 p rovides disk s trip ing acros s all dr ives in the RAID s ubsystem. RAID 0 d oes not provide any data redunda ncy , but does offer the bes t performa nce of any RAI D lev el.
RAID 1 3-3 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Figure 3.1 RAID 0 Arr a y 3.3 RAID 1 In RAID 1, the MegaRA ID SCSI 320 -1 dupli cates all data f rom on e dr ive to a second dr ive. RAID 1 pro vid es com ple te dat a red und anc y , but at the cost of doubling the r equire d data storage c apacity .
3-4 RAI D Lev els Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Figure 3.2 RAID 1 Arr a y 3.4 RAID 5 RAID 5 includes disk str iping at t he b yte level and par ity . I n RAID 5, the pari ty inform ation is wr itten to se veral drives.
RAID 5 3-5 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. ex clusi v e-or assist make RAID 5 per f or m ance exceptiona l in many diff erent en vironm ents . Figure 3.3 sho ws a RAI D 5 arr ay w ith six disk dri ve s. Figure 3.3 RAID 5 Arr a y Uses Provid es hi gh dat a throug hput, espec ially f or la rge fil es .
3-6 RAI D Lev els Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 3.5 RAID 10 RAID 10 is a com bination of RAID 0 a nd RAID 1. RAID 10 ha s mirror ed dri v es. RA ID 10 brea ks up da ta into sm aller blocks, and then st ripes the bloc ks of data t o each RAID 1 RAID set.
RAID 50 3-7 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Figure 3.4 RAID 10 Ar ray 3.6 RAID 50 RAID 50 provid es the features of both RAID 0 and RAID 5, including bo th pari ty and di sk str iping across mul tiple dr ives. RAID 50 is best implem ented on t wo RAID 5 disk arrays with data str iped ac ross bo th disk arrays.
3-8 RAI D Lev els Cop yright © 2002 by LSI Logic Corporation. All rights reserved. RAID 50 can sus tain one to f ou r dr ive f ai lures w hile main taining d ata integr ity , if each failed disk is in a diff erent RA ID 5 array . Figure 3.5 shows a RAID 5 0 array with six disk dr ives.
MegaRAID SC SI 320-1 Hardw are Guide 4-1 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Chapter 4 Feature s This chap ter explains the features of th e MegaR AID SCSI 32 0-1. It conta ins the following secti ons: · Section 4.1, “SMA RT T ech nology” · Section 4.
4-2 F eatures Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 4.2 Configuration o n Disk Config uration on Disk (dri v e roami ng) sav es conf iguration i nf or matio n both in n onv ol atile random access m emor y (N VRAM) on th e MegaRAID SCSI 320- 1, and on th e disk d rives control led by the MegaR AID SCSI 320-1.
Array P erfor manc e Featur es 4-3 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 4.4 Arra y P erform ance Features Ta b l e 4 . 2 lists the array performan ce f eatur es.
4-4 F eatures Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 4.5 RAID Management Features Ta b l e 4 . 3 lists the RAID ma nagement features. 4.6 F ault T olerance Features Ta b l e 4 . 4 lists t he f ault to lera nce f eatu res . T able 4.
Softw are Utilitie s 4-5 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 4.7 Soft ware Utilit ies Ta b l e 4 . 5 list s the so ftware utilit y features. 4.8 Operati ng System Software Driver s MegaRAID S CSI 320-1 includes a DOS software c onfigurati on utility , an d dri v ers for: · Windows N T 4.
4-6 F eatures Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 4.9 MegaRAID SCSI 320-1 Specifications Ta b l e 4 . 6 lists the specifi cations for the SCS I 320-1. T able 4. 6 Meg aRAID SCSI 32 0-1 Spec ific atio ns P arameter Spec ification Card siz e Low profile PCI Adapter card size (6.
MegaRAID SCSI 320-1 Spec ifications 4-7 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 4.9.1 PC I Bridge /CPU MegaRAID S CSI 320 -1 uses the Intel GC80 302 PCI br idge with an embedded 80960JT RISC proc essor r unning at 66 MHz.
4-8 F eatures Cop yright © 2002 by LSI Logic Corporation. All rights reserved. software or d evice drivers. The Me gaRAID BIO S provides an e x tensive setup utility t hat can be access ed by pressing <Ctr l><M> at BIOS initial ization.
RAID Man agement 4-9 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 4.9.8 SC SI Firmw are The Mega RAID SCS I 320-1 f irm ware handle s all RAI D and SC SI comm and proces sing and a lso sup por ts th e f eatures listed in Ta b l e 4 .
4-10 F eatures Cop yright © 2002 by LSI Logic Corporation. All rights reserved. It is indepen dent of any operating syste m. See the MegaRAI D Config uration Software Gui de for additional informati on.
Compat ibility 4-1 1 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 4.11. 3 Softwar e All SCS I backup and util ity software sho uld wor k with Meg aRAID SC SI 320-1.
4-12 F eatures Cop yright © 2002 by LSI Logic Corporation. All rights reserved..
MegaRAID SC SI 320-1 Hardw are Guide 5-1 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Chapter 5 Configuring Ph ysical Drives, Arra ys, and Logic al Drives This chap ter explains how to configu re SCS I physical dri ves , arrays , and logical drives connec ted to the M egaRAID SCSI 320-1 c ontroll er .
5-2 Config uring Ph ysical D rives , Arra ys, an d Logical Drive s Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Note: Be su re to ba ck up y our da ta regula rly , ev en whe n using RAID . 5.1.2 Current Ph ysical Device Configuration Use Ta b l e 5 .
Configuring SCSI Ph ysical Driv es 5-3 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 5.1.3 Logical Drive Conf iguration Use Ta b l e 5 .
5-4 Config uring Ph ysical D rives , Arra ys, an d Logical Drive s Cop yright © 2002 by LSI Logic Corporation. All rights reserved. LD22 LD23 LD24 LD25 LD26 LD27 LD28 LD29 LD30 LD31 LD32 LD33 LD34 LD35 LD36 LD37 LD38 LD39 T able 5.2 Logical Drive Configuration (Cont.
Configuring SCSI Ph ysical Driv es 5-5 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 5.1.4 Ph ysical Device La yout Use Ta b l e 5 .
5-6 Config uring Ph ysical D rives , Arra ys, an d Logical Drive s Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Manu f actu rer/M ode l number Firmware le vel T arget ID Device ty.
Configuring SCSI Ph ysical Driv es 5-7 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Manu f actu rer/M ode l number Firmware le vel T arget ID Device type Logical driv e numbe r/Dr.
5-8 Config uring Ph ysical D rives , Arra ys, an d Logical Drive s Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 5.2 Configuring Arr a ys Y ou organize the physical disk dri ves in arra y s after they are connected to the Mega RAID SCS I 320-1, a nd after they are form atted and initial ized.
Crea ting Logic al Dr ives 5-9 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Y ou can also design ate drives as hot spar es using the MegaRAID BIOS Config uration Utility , the MegaRA ID Manager, or P ower Console Pl us.
5-10 Config uring Ph ysical Driv es, Arr a ys, and Logic al Driv es Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Note: The M egaraid SCS I 320-1 co ntroller s uppor ts a maximum of 15 physical drives.
Crea ting Logic al Dr ives 5-11 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. character ist ics for RAID dr ive arra y s at ea ch RAID level is shown in Ta b l e 5 . 6 . 5.3.2 Assigning RAID L e vels Only on e RAID lev el can be as signed to each lo gical dr ive.
5-12 Config uring Ph ysical Driv es, Arr a ys, and Logic al Driv es Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 5.4 Configuring Logical Drives After you hav e instal led the Me g.
Planning the Arra y Configura tion 5-13 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. must be av aila ble 24 hours per da y? Wi ll the infor mation s tored in this disk array conta.
5-14 Config uring Ph ysical Driv es, Arr a ys, and Logic al Driv es Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Use Ta b l e 5 . 9 to plan the arra y configu ration.
Planning the Arra y Configura tion 5-15 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 8 RAI D 0 Excellent No 1 00% 8 RAI D 5 G ood Ye s 87% 8 RAID 10 Good Ye s 50% 8 RAID 50 Good Ye s 75% T able 5.9 Array Configuration P lanner (Cont.
5-16 Config uring Ph ysical Driv es, Arr a ys, and Logic al Driv es Cop yright © 2002 by LSI Logic Corporation. All rights reserved..
MegaRAID SC SI 320-1 Hardw are Guide 6-1 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Chapter 6 Har d ware In stalla tion This ch apter e xplains how to install the MegaRA ID SCSI 320-1 c ontroller . It contain s the following se ctions: · Section 6.
6-2 Hardw are Installation Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 6.2 Instal lation Steps The Mega RAID SC SI 320-1 pr ovides e xtensi v e custo mization options.
Inst alla tion Step s 6-3 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 6.2.1 Step 1: Unpack Unpack and ins tall the h ardware in a st atic-free environment. R emove the MegaRA ID SCSI 320-1 contr oller card fr om the an ti-stati c bag and insp ect it f or dam age .
6-4 Hardw are Installation Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Figure 6.1 shows the loc ation of th ese item s on the Me gaRAID SCSI 320-1 c ontroller . Figure 6.1 MegaRAID SCSI 320-1 Contr o ller Lay out 6.2.3.1 J2 Dir ty Cache LE D J2 is a t wo-pin heade r f or t he dir ty c ache LED .
Inst alla tion Step s 6-5 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 6.2.3.2 J3 Clear EPROM J3 is a two- pin heade r that clear s the erasable pro gammable read-on ly memor y ( EPROM) config uration data . 6.2.3.3 J4 BIOS Enable J4 is a 2 -pin hea der that en ables or dis ables the Mega RAID onb oard BIOS.
6-6 Hardw are Installation Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 6.2.3.8 J10 T ermi nation Enabl e J10 is a thr ee-pin hea der that speci fies hard ware or software cont rol of SCSI ter min ation, as shown in Ta b l e 6 . 4 .
Inst alla tion Step s 6-7 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 6.2. 4. 2 Selec tin g a T ermin ator Use stan dard exter nal SCSI t er minato rs o n a SCS I channe l o perating at 10 Mbytes/s o r higher syn chronous da ta transfer .
6-8 Hardw are Installation Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Figure 6.2 T ermin ation of Internal SCS I Disk Arrays T ermination En abled ID2 ID0 – Bo ot Drive No T e.
Inst alla tion Step s 6-9 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 6.2.4.4 T erminati ng External Di sk Arrays In most arra y enclo sures, the end of the SCSI c able has an ind epende nt SCSI ter min ator modu le that is not par t of any SCSI dr ive.
6-10 Hardw are Installation Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Figure 6.4 T erminat ing Intern al and Ex ternal Di sk Arrays T erminator ID2 ID0 – Boot Drive No T ermi.
Inst alla tion Step s 6-11 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 6.2.4.6 Connecting Non-Disk SCS I Devices SCSI tape d rives an d SCSI C D-ROM drives must e ach have a unique SCSI ID regardless of the S CSI channe l they are atta ched to.
6-12 Hardw are Installation Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 6.2. 5 Step 5: Install Me gaRAID SCSI 3 2 0-1 Select a 3.3 V o r 5 V PCI sl ot and alig n the Me gaRAID SCS I 320-1 control ler bus connector with the slot .
Inst alla tion Step s 6-13 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Figure 6.7 Installing the MegaRAID SCSI 320-1 Contr oller 6.2.6 Step 6: Connect SCSI Devices Use SCSI ca bles to connectS CSI devices to the M egaR AID S CSI 32 0- 1.
6-14 Hardw are Installation Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 2. Config ure all SC SI devices to sup ply T er mPW R. 3. Set prop er targe t IDs (TIDs) f or ea ch SCSI d e v ice. The cable length can be up to 20 m. 6.2.6.
Inst alla tion Step s 6-15 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Important: Non -disk devices (CD- ROM or tape d rive) sh ould have unique S CSI IDs r egardles s of the channel they are conne cted to . 6.2.7.1 Example of M egaRAID SCSI 3 20-1 ID Mappin g Ta b l e 6 .
6-16 Hardw are Installation Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 6.2.7.2 T arge t IDs as Pr esented to the Oper ating Sy stem Ta b l e 6 . 7 shows t he target ID s as pre sented to t he operating system . 6.2. 8 Step 8: P ower Up Replace t he compute r cover and reconnec t the AC power cords.
Inst alla tion Step s 6-17 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. The <Ctr l><M> utility prompt t imes out a fter sev era l second s. The MegaRAID S CSI 320-1 host adap ter (control ler) number , fir mware v ersi on, and cac he DRAM size are disp lay ed in the se cond po r tion of th e BIOS me ssage.
6-18 Hardw are Installation Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 6.3 Sum mary This cha pter discus sed hardware in stallation. Conf igure the RAID sy stem using s oftware config uration uti lities. See t he Mega RAID Conf iguration Software Guid e for all informat ion about MegaRAID SCSI 320- 1 software util ities .
MegaRAID SC SI 320-1 Hardw are Guide 7-1 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Chapter 7 T r oub leshooting This chap ter provides troubleshooti ng inform ation for the MegaRA ID SCSI 320- 1 contr oller . It c ontains the f ollowing s ection s: · Section 7.
7-2 T roub leshooting Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Pressed <Ctrl><M >. Ran Megacon f .e x e and t ried to mak e a ne w conf igu ratio n. Th e syst em hang s wh en scannin g devic es . Chec k the drives IDs on ea ch chann el to ma ke s ure each de vice has a diff erent ID .
BIOS Boot Error Message s 7-3 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 7.2 B IOS B oot Er ror Mess age s Ta b l e 7 . 2 des cribes B IOS error m essages tha t can dis pla y when you boot the s ystem, an d suggest ed solutions.
7-4 T roub leshooting Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 7.3 Othe r BIOS Err o r Messa ges Ta b l e 7 . 3 des cribes o ther BIO S error mes sages, their me aning, and sugge sted sol utions. 1 Logica l Drive Degr aded A lo gical driv e signe d on in a d egraded sta te.
Other P ot enti al Proble ms 7-5 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. 7.4 Othe r P otential Pr obl ems Ta b l e 7 . 4 des cribes other po tential problems.
7-6 T roub leshooting Cop yright © 2002 by LSI Logic Corporation. All rights reserved. MegaR AID pow er requ irem ent s The ma ximum M egaRAID SCSI 320-1 po wer req uirements are 15 W at 5 V and 3 A.
MegaRAID SC SI 320-1 Hardw are Guide A-1 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Appendix A SCSI Cabl es and Connector s MegaRAID S CSI 320 -1 provides sev eral different types of SCSI conne ctors.
A-2 SCSI Ca bles and Connec tors Cop yright © 2002 by LSI Logic Corporation. All rights reserved. A.1.1 Cable As sembly for Internal Wide S CSI Devices The cable asse mbly for connecting i nter n al Wid e SC SI devices is sh own below .
68-Pin High -Density SC SI Internal Connecto r A-3 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. A.1.2 Connecting Internal a nd External Wi de De vices The cable ass embly f or conne cting inter nal W ide and exter nal Wide SCSI d e v ices i s shown below .
A-4 SCSI Ca bles and Connec tors Cop yright © 2002 by LSI Logic Corporation. All rights reserved. A.1.3 Con ver ting Internal Wide to In ternal Non- Wide (T yp e 2) The cable ass embly f or convert ing in ternal Wide SC SI con nectors to inter nal no n-Wide (T ype 2) SCS I connec tors is s hown below .
68-Pin High -Density SC SI Internal Connecto r A-5 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. A.1.4 Con ver ting Internal Wide to In ternal Non- Wide (T yp e 30) The cable ass embly f or convert ing in ternal Wide SC SI con nectors to inter nal no n-Wide (T ype 30) S CSI co nnectors i s shown below .
A-6 SCSI Ca bles and Connec tors Cop yright © 2002 by LSI Logic Corporation. All rights reserved. A.2 SCSI Cable and Connector V endors Ta b l e A . 1 list s SCSI cable vendors, and con tact infor mation. Ta b l e A . 2 table li sts SC SI co nnecto r vendors.
High-De nsity 68-Pin Connec tor Pinout f or SE SCSI A-7 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. A.3 High-Density 68-Pin Connector Pin out f or SE SCSI Ta b l e A . 3 lists the pin out f o r the high- density 68-pin conne ctor f or singl e- ended SCS I.
A-8 SCSI Ca bles and Connec tors Cop yright © 2002 by LSI Logic Corporation. All rights reserved. The following appli es to the hi gh-dens ity SCS I conne ctor des cribe d in Ta b l e A . 3 : · A hyphen before a signal na me indic ates that s ignal is ac tive low .
68-Pin Conn ector Pinou t for L VD SCSI A-9 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. A.4 68-Pin Connector Pino ut f o r L VD SCSI Ta b l e A .
A-10 SCSI Cab les and Connectors Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Note: T he conduc tor number r efers to the condu ctor position when usin g flat-r ibbon cable.
MegaRAID SC SI 320-1 Hardw are Guide B-1 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Appendix B A udib le W arnings The Mega RAID SCSI 320-1 R AID controll er has a n onboard tone generator that indicate s ev ents and erro rs.
B-2 Audible Warn ings Cop yright © 2002 by LSI Logic Corporation. All rights reserved..
MegaRAID SC SI 320-1 Hardw are Guide C-1 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Appendix C Glossa ry Array A grouping of indivi dual disk drives that com bines the storag e space on the disk dri v es into a single segmen t of conti guous sto rage spac e.
C-2 Glossar y Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Channel An electr ical path for the transfer of data and control infor mation betwe en a disk a nd a disk controlle r .
C-3 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. provides h igh I/O pe rf or mance a t low cost, but provides lowers data reliabi lity than any of its me mber disk s. Disk Subsystem A c ollection of disks and the hardware th at connec ts them to o ne or more host compu ters.
C-4 Glossar y Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Host Computer Any compute r to which disks ar e directly attached. M ainframes, ser vers, works tations, and pe rsonal computer s can al l be cons idered h ost compu ters.
C-5 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Mbyte (Megabyte) An abbreviation f or 1,000,0 00 (10 to the sixth power) bytes. One Mbyte equals 1,000 Kbytes (k ilobytes). Multi-threaded Having mul tiple concurre nt or pse udo-con current ex ecution s equen ces.
C-6 Glossar y Cop yright © 2002 by LSI Logic Corporation. All rights reserved. RAID Redundant Array of Independe nt Disks. A da ta storage method in which data, alon g with par ity infor mation, i s distr ibuted among two or m ore hard disks (called an array ) to improve perf or mance and reliabi lity .
C-7 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Redundanc y The provi sion of multipl e intercha ngeable compon ents to per f or m a single f unction to cope w ith f ail ures or err ors. Redundan cy nor mally applies to hardware; d isk mirror ing is a common f or m of ha rdware redundan cy .
C-8 Glossar y Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Servic e Pro vider T he Ser vice Provider (S P) is a pr ogram that resi des in the desktop system or ser ver and is respon sible f or all D MI acti vities.
C-9 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Ultra320 A sub set of U ltra3 SCSI t hat allows a maxi mum through put of 320 Mbytes/s, which is twice as f as t as Wide Ul tra2 SCSI. Ultra3 20 SCSI provides 3 20 Mbytes/s on a 16-bit connecti on.
C-10 Glos sar y Cop yright © 2002 by LSI Logic Corporation. All rights reserved..
MegaRAID SC SI 320-1 Hardw are Guide IX-1 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Inde x Numerics 160M and Wide SCSI 4-1 68-pin connector p inout fo r LVD SCSI A-9 68-Pin High Density Connectors A-1 A AMPLIMITE .
IX-2 Inde x Cop yright © 2002 by LSI Logic Corporation. All rights reserved. H Hardware Installation 6-1 High-de nsity 68-pin SC SI connecto r pinout A-7 High-de nsity single -ended con nector A-8 Ho.
Inde x IX-3 Cop yright © 2002 by LSI Logic Corporation. All rights reserved. Connect ing 6-13 SCSI cab les and conn ectors A-1 SCSI channel C-7 SCSI Connector Vend ors A-6 SCSI connector s 4-7 , 4-8 .
IX-4 Inde x Cop yright © 2002 by LSI Logic Corporation. All rights reserved..
MegaRAID SC SI 320-1 Hardw are Guide 1-1 Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. LSI Logic Confid ential Customer Fee dbac k W e would appre ciate your f e edback on this docum ent. Please cop y the f ollowing pa ge, add your comm ents, and fax it to us at the number shown.
LSI Logic Confid ential 1-2 Custo mer F eedbac k Cop yright © 2002 b y LSI Logic Corporation. A l l rights reserved. Read er’ s Com ment s F ax your comment s to: LSI Lo gic Cor pora tion T echni cal Publica tions M/S E- 198 F ax: 408.433.43 33 Please te ll us how y ou rate this doc ument: MegaRA ID SCSI 320- 1 Hard- ware Gu ide .
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 LSI MegaRAID SCSI 320-1 RAID Controller Series 520 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 LSI MegaRAID SCSI 320-1 RAID Controller Series 520 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso LSI MegaRAID SCSI 320-1 RAID Controller Series 520 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul LSI MegaRAID SCSI 320-1 RAID Controller Series 520 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il LSI MegaRAID SCSI 320-1 RAID Controller Series 520, 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 LSI MegaRAID SCSI 320-1 RAID Controller Series 520.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il LSI MegaRAID SCSI 320-1 RAID Controller Series 520. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo LSI MegaRAID SCSI 320-1 RAID Controller Series 520 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.
