Instruction/ maintenance manual of the product XP20000 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 , .
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If you have not bought HP (Hewlett-Packard) XP20000 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data HP (Hewlett-Packard) XP20000 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, HP (Hewlett-Packard) XP20000 you will learn all the available features of the product, as well as information on its operation. The information that you get HP (Hewlett-Packard) XP20000 will certainly help you make a decision on the purchase.
If you already are a holder of HP (Hewlett-Packard) XP20000, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime HP (Hewlett-Packard) XP20000.
However, one of the most important roles played by the user manual is to help in solving problems with HP (Hewlett-Packard) XP20000. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device HP (Hewlett-Packard) XP20000 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
