Manuale d’uso / di manutenzione del prodotto XP20000 del fabbricante HP (Hewlett-Packard)
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HP S to r age W or ks XP2 4000/XP20000 Disk/C ac he P artition Us er's Gui de P art number : T5 214-9 60 7 6 Sev enth edition: Augu st 2009.
Legal and notice information © Cop yr ight 200 7 , 2009 He wlett-P ackar d D ev elopment Co mpany , L .P . Conf idential co mputer softw are . V alid license fr om HP requir ed for posse ssion , use or cop ying . Consist ent with F AR 12 .211 and 12 .
C onte nts 1 Ov ervi e w of HP S tor age W or ks XP Disk/Cac he P ar titio n Softw ar e ............. 7 Intr oducti on to Disk/Cac he P artition .............................................................................................. 7 Benef its of Disk/Cac he P artition .
Con venti ons for S tor age Capac it y V alues ..................................................................................... 37 HP T echnical Su pport ............................................................................................
F igur es Sto rage L ogical P ar tition (SLP R) ................................................................................. 10 1 Cac he Logi cal P artition (CLPR) ..................................................................................
T a bles CLPR Data C apac ity and the Recommended C ache Ca pacity ....................................... 11 1 Logi cal P artition W indow Det ails (Stor age Sy stem Select ed) .......................................... 18 2 Sto rage Manageme nt Logi cal P artition Windo w (SLPR Selec ted) .
1 Ov er v ie w of HP St or ag e W orks XP Disk/Cac he P ar tition Soft w ar e This c hapter pr ov ides an in troduc tion to XP Disk/C ache P ar tition S oftwar e .
P artition to c reat e up to 3 2 pri vate v irtual stor age machines on the s tor age sy stem . With the ab ility to manage eac h par tition a s its ow n stor age sy stem, I T managers can oper ate st.
2 About Disk/Cac he P ar tition This c hapter pr ov ides a det ailed desc ripti on of St orage L ogical P artition (SLPR) and C ache L ogical P artition (CLP R) .
Figur e 1 Storage Logical P ar tition (SLPR) . Cac he L ogical P artitio n (CLPR) If one sto rage s ystem is shar ed with m ultiple hosts , and one host r eads or wr ites a lar ge amount of data , read and w rite data can r equire eno ugh of the cache memo ry to affect other u sers .
Y ou can cr eate up to 3 2 cache logical partiti ons in one stor age sy stem , including the de fault CLP R 0. See “ Cr eating a Cac he Logi cal P artition ” on page 32 fo r instruc tions on c reating cac he logical partitions . F igur e 2 illustrat es a cache logi cal partition.
Recommended Cache Capac ity CLPR Data Capacity 40 GB or mor e 18 2 ,000 GB or mo re 48 GB o r more 218 , 000 GB or mor e 5 6 GB or mor e 2 54 , 000 GB or more 64 GB or mor e 2 90, 000 GB or mor e 7 2 .
3 Pr eparing f or XP Disk/Cac h e P ar tition Operations This c hapter dis cu sses the pr eparatio n needed for XP Disk/Cac he P ar tition oper ations.
• Acces sing Stor age Logical P artition 0 (SLPR 0) and C ache L ogical P ar tition 0 (CLP R 0) • Managing mainfr ame volumes • Stor age P artition Administrators can vi ew and manage onl y those r esour ces that have bee n as- signed to a s pecif ic stor age logical partition .
Figur e 3 Storage Administr ator and Stor age P artition Administrator Pri vileges . P os sible Inte r acting and C onfli cting F uncti ons It is possible f or actions tak en by a st orage adminis trato r to inter act and conflic t with ac tions tak en by a partiti on stor age administrator .
• L U path settings and High S peed settings (see the HP S tor age W orks XP2 4000/XP20000 L UN Manager Use r's Guide ) • L USE settings (see the HP S tor age W orks XP2 4000/XP20000 L UN Exp.
4 Using th e XP Disk/Cac h e P ar tition GUI This c hapter de scr ibes the windo ws that compr ise the XP Disk/Cac he P artition GUI . • Logi cal P artition W indow , page 17 • Sto rage Manageme n.
Figur e 5 Logical P artition Window (Stor age Sy stem Selected) . T abl e 2 Logical P artition Window Details (St orage S ystem Selected) Description Item The s torage s ystem and all o f its logical partitions . The name and numbe r of the stor age logical partition are dis play ed to the ri ght of eac h SLPR icon .
S tor age Management L ogical P artitio n W indo w The S tor age Management L ogical P ar tition w indow displa ys if y ou select an SLP R in the P ar tition Def inition tr ee of the P ar tition Def inition tab . If you ar e logged on as a stor age partition administr ator , this w indow sh ow s only the r esour ces in that stor age partition .
Description Item When a st orage logi cal partition is select ed the P ar tition Def inition tree , the Stor age Logi cal P artition r esour ce list sho ws r esour ce infor mation , including logical partitio ns and ports, for the select ed stor age logical partitions cac he.
Description Item Cancels an y settings that wer e made in this windo w Cancel Cac he L ogical P artitio n W indo w The C ache Managemen t Logi cal P artition w indow (s ee F igur e 7 ) display s if you s elect a CLPR in the P artition Def inition tr ee of the P artition Def inition tab .
Description Item All of the s torage logi cal partitions and cache logi cal partitions in the stor age sy stem . The stor age logical partition number and name ar e displa yed to the r ight of the eac h SLPR icon ( ). The cache logi cal partition number and name ar e display ed to the right o f the CLPR i con ( ).
Description Item Allo ws y ou to set or change the s ettings of the spec ified cac he logical partition . See “ Cache Logi cal P artition Operati ons ” on page 31 f or more inf ormation on cac he logical partition oper ations. Y ou cannot direc tly c hange the capacity v alue of CLPR 0.
Figur e 8 Selec t CU Dialog Box . T abl e 5 Select C U Dialog Box Details Description Item When se lected, inf ormation abou t all CUs can be displa yed on the CLP R r esour ce list . All CUs When se lected, inf ormation abou t only the spec ified CU can be dis play ed on the CLPR r esour ce list.
Figur e 9 License K ey P ar tition Definition Windo w . The Pr oduct Name list is on the uppe r part of the windo w (see F igur e 10 ) , and lists the pr ogr am pr oducts f or whi ch the li censed capac it y can be allocated to SLP Rs. Figur e 10 Product Name List .
Description Item The li cense type: P ermanent , T emporary or Emergency . Not Installed is display ed, w hen the option is no t installed. Since all the SLP Rs will be av ailable whe n the ke y t ype of the pr ogram pr oduct is T empor ar y or Emer gency , you do no t need to separ ate each SLP R.
After s electing an optio n, P artition Status List and Setting Box is displa yed under the inf ormation a bout the licens ed capac ity (see F igur e 12 , F igur e 13 , and F igur e 14 ) . This allo ws y ou to selec t and displa y info rmation r egarding a st orage logi cal partition .
If y ou select an opti on w ith a limited licens e capac ity , the Setting box loo ks like F igur e 14 . Y ou may enter the li censed capac it y to be allocated to the SLP R. Ho we ver , you cann ot set the lice nsed capac ity of SLPR0. If y ou select SLP R0, Set w ill be inacti ve .
5 XP Disk/Cac he P ar tition O per ations This c hapter pr ov ides det ailed instruc tions f or XP Disk/Cac he P artition oper ations . • Sto rage L ogical P ar tition Ope rati ons , page 29 • Cac.
• In the Fr om fi eld, en ter the starting number o f the S SID (0004 to FFFE). • In the T o field , enter the ending number o f the S SID . 6. Cli ck Apply to appl y the settings, or c lic k Cancel to cancel the settings .
2. F rom the S tor age Logi cal P artition Re sour ce L ist , select one or mo re cac he logical partitions and/or tar get ports to be migr ated. R ight-cli ck to dis play the pop-up men u , then cli ck Cut . SLP Rs fr om other CUs ar e gr ay ed out and una vailable .
• Adding or c hanging CLPR de finiti ons can req uire s ev er al hours or mo re . • If y ou are u sing XP Contin uous A ccess Jour nal, data and j ournal v olumes can belong t o the differ ent CLPRs , but the jour nal vo lumes in the same jour nal group m ust belong to the s ame CLPR .
6. If y ou want to c hange the settings of an e xisting CLP R, r epeat steps 3 thr ough 5. NO TE: Note: At this po int , the cache l ogical partitio n has no par it y gr oup s.
Figur e 17 Selec ting the CU . T abl e 11 Selecting t he CU Description Item Displa ys the inf ormatio n for all CU s in the CLPR r esour ce list. All CUs Displa ys the inf ormatio n for spec ified CU in the CLP R re sour ce list . • The LDK C dr op-dow n list allo ws y ou to select the LDK C.
6 T roubleshooting This c hapter de scr ibes some tr oubleshooting me thods if yo u hav e proble ms with Disk/C ache P ar tition . • Gener al T ro ubleshooting , page 35 • Displa ying an Er r or M.
Correctiv e Action Err or • L Us in par ity group s must r emain within the same SLP R. When y ou attempt to mi grate a par it y gr oup to a CLPR in an other SLPR , an L U war ning message is dis play ed. • L Us in par ity group s must r emain within the same SLP R.
7 Suppor t and Ot h er Res our ces R elated Doc ument atio n • HP Sto rage W orks XP2 4000/XP20000 C ache R esidenc y Manager User's Gui de • HP Sto rage W orks XP RAID Manager User ’ s Gui.
• 1 GB (gigab yte) = 1, 0 2 4 3 byte s • 1 TB (ter ab yte) = 1, 02 4 4 bytes • 1 PB (petab yte) = 1, 0 2 4 5 byte s • 1 block = 512 b ytes HP T ec hnical Su pport F or wor ldw ide techni cal support infor mation , see the HP support w ebsite: http://www .
A Ac r on y ms and Abbre v iations T abl e 13 Acron yms and Abbre viations cache logi cal partition CLP R contr ol unit CU cu stomi zed v olume CV dir ect-access stor age devi ce D ASD Used to s egregate h osts b y operating s ystem platf orm. Als o know n as a host sto rage domain.
Virtual L VI/LUN VLL virtual v olume V- VOL wo rld w ide name WWN ext ended re mote copy XRC IBM z/O S operating s ystem z/O S Ac ron yms and Abbr evi ations 40.
Inde x A allocating licens e capac ity stor age logical partitions (SLP Rs) , 30 allocating ports to SLPRs r estr icti ons on port type , 29 Au to L UN manual migr ation acr oss multiple CLPRs r estr .
O oper ations CLPR , 31 cr eating a CLPR , 3 2 cr eating an SLPR , 2 9 deleting CLP Rs, 3 4 deleting SLP Rs, 31 migr ating r esour ces among CLPRs , 3 3 migr ating r esour ces among SLPRs , 30 SLPR , .
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 HP (Hewlett-Packard) XP20000 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 HP (Hewlett-Packard) XP20000 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso HP (Hewlett-Packard) XP20000 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul HP (Hewlett-Packard) XP20000 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il HP (Hewlett-Packard) XP20000, 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 HP (Hewlett-Packard) XP20000.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il HP (Hewlett-Packard) XP20000. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo HP (Hewlett-Packard) XP20000 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.
