Manuale d’uso / di manutenzione del prodotto AW522A del fabbricante HP (Hewlett-Packard)
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HP S to r age W or ks D2 600/D2 7 00 Disk Enc losur e Us er Gui de This gui de desc ribes the D2 600/D2 7 00 6Gb SA S disk enclo sur e. Ins tallation , cabling , confi gurati on, and tr oubleshooting pr ocedure s are inc luded.
Legal and notice information © Cop yr ight 2009- 2010 Hewlett-P ackar d D ev elopment Co mpany , L.P . The inf ormatio n contained her ein is subj ect to change w ithout notice . The onl y warr anties for HP pr oducts and se rvices ar e set forth in the e xpres s warr ant y statemen ts accompany ing such pr oducts and servi ces.
C onte nts 1 Har dw ar e ......................................................................................... 7 Ove r v ie w .........................................................................................................................
S y stem and perf ormance e xpectati ons ............................................................................ 26 Str iping methods .......................................................................................................... 26 RAID leve ls .
Effec ts of a disk dri ve failur e ................................................................................................ 54 Com pro mised fault t olerance .....................................................................................
Danish notice .................................................................................................................... 68 Dutc h notice .......................................................................................................
1 Har dw are Ov erv ie w 6Gb S AS disk e nclosur es are a vaila ble in two models: • Small F orm F actor (SFF ) : Supports 2 5 SFF (2 .5 inc h) disk dri ves • Lar ge For m F actor (LFF ): Supports 12 LFF (3 .
Small F orm F acto r disk enc losur e c hassis F r ont v ie w 3 . UID push button and LED 1. Rac k -mounting thumbs cr ew s 4. Enclo sure st atus LEDs 2 . Disk dri ve in ba y 9 Dr iv e bay numbe ring Disk dri ves moun t in bay s on the fr ont of the enclo sur e.
L ar ge F orm F acto r disk enc losur e c hassis F r ont v ie w 3 . UID push button and LED 1. Rac k -mounting thumbs cr ew s 4. Enclo sure st atus LEDs 2 . Disk dri ve in ba y 6 Dr iv e bay numbe ring Disk dri ves moun t in bay s on the fr ont of the enclo sur e.
Disk dr i v es A var iety of disk dri ve models ar e supported fo r use , including dual-ported and single-ported models. F or mor e info rmation , see the QuickS pecs for the disk e nclosur e, a vailable o n the D2000 websit e: http://www .hp .com/go/D2000 .
F r ont st atus and UID module The f r ont status and UID module inc ludes statu s LEDs and a unit identif icati on (UID) button. F r ont UID module LEDs Description LED status LED color LED icon LED No po wer or f irmw are f ault Off Gr een 1.
Unit i dentif icati on (UID) button The unit i dentif ication (UID) butto n helps locate an enc losur e and its components . When the UID button is acti vat ed, the UID on the fr ont and r ear of the enclo sure ar e illuminated. NO TE: A r emot e sessi on fr om the manage ment utility can also illumina te the UID .
F an module F an modules pr ov ide cooling necess ar y to maintain pr oper operating te mper ature w ithin the contr oller enclo sur e. If one f an fails , the re maining fan is capable o f cooling the enclo sure . (Replace an y failed componen t as soon as po ssible .
I/O module The I/O module pr ov ides the in terface betw een the disk enclo sure and the h ost . E ach I/O module has tw o ports that can transmit and r eceiv e data for bi direc tional oper ation. Lar ge F orm F actor I/O module Small F orm F actor I/O module 4.
Description LED status LED color LED icon LED No cable , no po wer , or port not connect ed Off Gr een n/a 1. S AS P ort Link The port is be ing identif ied by an applicati on cli ent Blinking Healthy , acti ve link Soli d Normal , no err ors detected Off Amber n/a 2 .
R ear po w er and UID module The r ear pow er and UID module include s status LEDs , a unit identif icati on (UID) button, and the po wer on/standb y but ton . R ear po w er and UID module LEDs Description Status LED color LED icon LED Not being i dentifi ed or no po wer Off Blue 1.
Unit i dentif icati on (UID) button The unit i dentif ication (UID) butto n helps locate an enc losur e and its components . When the UID button is acti vat ed, the UID on the fr ont and r ear of the enclo sure ar e illuminated. NO TE: A r emot e sessi on fr om the manage ment utility can also illumina te the UID .
Hard war e 18.
2 T ec hnical specifications Ph y sical s pec if icati ons 8.8 cm (3 .4 7 in) Height ( 2U) Dimensions 4 5. 0 cm (17 .9 9 in) Width 5 6.7 cm ( 2 2 .3 in) D epth No disk dri ves: 17 .2 kg (3 8 lb) W eight F ully populated w ith SFF disk dri ves: 2 4.9 kg (5 4.
T echnical spec ificati ons 20.
3 Deplo yment types The f ollo w ing types of deplo yments ar e supported: • Single domain In a single domain deplo ymen t, one path e xists f r om the disk enclo sure to the h ost .
Deploy ment type s 2 2.
4 Installation Inst allation o ve r v ie w Installati on steps inc lude: 1. Locating R equired ite ms , page 23 2. C ompleting Pr eliminary tasks , page 24 3. Pr eparing the site , page 29 4. Rac king the disk enc losur e , page 30 5. Ins talling disk dr iv es in the enc losur e , page 32 6.
Pr eliminar y tasks P lanning tasks include: • Deter mining who w ill install and confi gure the disk e nclosur e , page 24 • Conf irming support for y our hard war e and softwar e components , pa.
Signing u p to aut omaticall y rece i v e adv isor ies , notice s, and othe r mess ages The Su bsc riber's C hoice w ebsite include s options to r egister for and a utomaticall y r ecei ve , by e.
Sto rage planning consi der ations inc lude: • S y stem and perf ormance e xpectati ons • Str iping methods • RAID leve ls • Disk dri ve si ze s and t ype s • Spar e dri ves • Ar ra y si z.
RAI D meth- od Data redund- ancy Best practices Summary Str iping None IMPORT ANT : Do not use RAID0 for L UNs if fault to lerance is r e - quir ed. C onsider RAID0 only f or nonc ritical s tor age. RAID0 L UNs pr ov ide the best pe rformance f or applicati ons that use r andom I/O .
fails at this time , the arra y becomes inaccessible and inf ormati on stor ed ther e mus t be res tor ed fr om back up . After the r ebuild of the data onto the spar e is completed , when a r eplacem.
Pr epar ing the site Pr eparing y our site includes: • Pro viding adequate structural support Calc ulate the total w eight o f your eq uipment and v erify that y our site can support the w eigh t.
R ac king the disk enc losur e The disk enc losure can be ins talled into mos t standar d server r acks. T o ver ify that your r ack is supported fo r use w ith the disk enclo sure , see the QuickS pecs f or the disk enclo sure , availa ble on the D2000 w ebsite: http://www .
R acking pr ocedur es 1. P osition left and r ight r ack r ails at the desired 'U' po sition in the r ack , adju sting the r ails to fit the r ack , as needed (1) . 2. Sec ure r ack r ails to the fr ont and back r ack columns using sc r ew s.
Inst alling disk dr i ve s in the enc losur e Disk dr i v e options Depending on the enc losur e model, 12 o r 2 5 disk dri v es can be installed in the enc losur e . A var iety of disk dri ve models ar e supported fo r use , including dual-ported and single-ported models.
2. Unlatc h and sw ing out the latc h handle on the dri ve . Then , slide the dri ve in to the bay (1), pr essing f irml y on the dri ve to seat it . Close the latc h handle (2), pres sing fir mly until it loc ks in place .
Inst alling S A S contr ollers o r contr oller e nclo sur es When inst alling contr ollers or co ntr oller enclo sure s, be sur e to do the f ollow ing. • Reco rd inf ormati on about the con tro ller or contr oller enc losur e that w ill connect to the disk enc losur e .
C onnecting S A S cable s and po w er cor ds Ov ervi e w Connec ting cables inc ludes the follo wing st eps: 1. Reading the C abling best pr actices , page 35. 2. C onnecting S AS cables to the s erver or con trolle r enclo sure , page 36. 3. C onnecting S AS cables t o cascaded disk enc losur es , page 37.
Co nnecting S A S cables to the s erver o r contr oller enc losur e T o connect the f irst disk enc losur e to the serv er or contr oller enclosur e, us e a standar d mini-S AS cable .
Co nnecting S A S cables to ca scaded disk enc losur es T o cascade additio nal disk enclosur es fr om the disk enc losur e that is connected to the s erver or contr oller enclosur e, us e standar d mini-S AS cables . As additional disk e nclosur es are connec ted to the f irst disk enc losur e , they ar e assigned a bo x number .
Co nnecting po we r cor ds When connec ting pow er cords , use the cor ds shipped with the disk enc losur e . The po wer cor d should be appr ov ed fo r use in y our country . The po we r cord m ust be r ated fo r the pr oduct and f or the volt age and cur re nt mark ed on the electr ical rating s label of the pr oduct .
P o w er ing on the disk enc losur e After disk enc losure s are ph ysicall y installed and cabled , pow er on all de vi ces and v erify that the y ar e operating pr operl y .
V er if y ing the oper ating statu s of the disk enc losur es T o ver if y that the disk enclo sure s and disk dri ve s are ope rating pr operly , v ie w the enclo sure and disk dri ve LEDs and compar e them with the patter ns desc ribed in the f ollo w ing table .
5 Configur ation C onf igur ation o v erv ie w Regar dless of the inst allation en vir onment , oper ating sy stem, or s oftwar e tool us ed to conf igur e the disk enclo sur e, the f ollo w ing tasks mus t be completed: • Updating contr oller or contr oller enc losur e fir mw are or dr i ver s.
Conf igur ation 4 2.
6 Operation and management Included top ics: • P ow ering o n disk enclo sures , page 43 • P ow ering o ff disk enclo sure s , page 44 • Updating disk enc losur e fir mw are , page 44 P o w er ing on disk enc losur es IMPOR T ANT: Al wa y s pow er on disk en clo sure s befo r e contr oller encl osur es and se rver s.
P o w er ing off disk enc losur es IMPOR T ANT: Al wa y s pow er off disk e nclo sur es after con tr oller en closur es and serv ers . IMPOR T ANT: When ins talling a ho t-plugga ble compon ent , such as a disk dr iv e, it is n ot necessary t o pow er do wn the en closur e.
7 Cabling e x amples The f ollo w ing basic cabling e xamples ar e included: • Lar ge For m F actor D2 600 disk enc losur es — max imum capac ity confi gurati on • Small F orm F actor D2 7 00 di.
L ar ge F orm F acto r D2 6 00 disk enc losur es — max imum capac ity conf igur ation This e xample illus trate s cabling fo r a single -domain configur ation. In this co nfi gurati on, no te the fo llow ing: • P1 on the disk enc losur e I/O module is treat ed as the S AS “ in ” port.
Small F orm F acto r D2 7 00 disk enc losur es — max imum capac ity conf igur ation This e xample illus trate s cabling fo r a single -domain configur ation. In this co nfi gurati on, no te the fo llow ing: • P1 on the disk enc losur e I/O module is treat ed as the S AS “ in ” port.
Dual domain e x ample — bes t f ault tole r ance cabling This e xample illus trate s cabling fo r a dual-domain confi gurati on in a pattern that o ffers be st possible fault t oler ance.
Dual domain — bes t perf or mance cabling This e xample illus trate s cabling fo r a dual-domain confi gurati on in a pattern that o ffers be st possible perfor mance .
Dual domain — alte rnati v e cabling This e xample illus trate s cabling fo r a dual-domain confi gurati on in a pattern that o ffers a balance o f fault t oler ance and perfor mance.
8 T roubleshooting If the enc losur e does not initi ali z e IMPOR T ANT: Aft er a pow er failur e, the s yst em aut omati cally r eturns to t he last -pow ered s tate (On or Off ) when A/C po wer is r esto red . 1. Ensur e that the pow er on/standb y button wa s pre ssed f irml y and held for appr ox imately thr ee seconds .
Is the enc losur e r ear fault LED ambe r? Actions P ossible Reasons Answ ers No actio n requir ed F unctioning pr operly . No • Be sur e that the rear po w er and UID module is undamaged and is full y seated . • Cont act an author iz ed service pr ov ider f or assist ance.
Is the I/O module fa ult LED amber? P ossible Solutions P ossible Reasons Answ er No actio n requir ed. F unctioning pr operly . No • Mak e sure that the I/O module is seated pr operl y by pr essing the I/O module fir mly into its bay after the handle ha s clic k ed in place .
R ecogni zing disk dr i v e failur e In an HP enclo sur e, a s teadily glo wing fa ult LED indicates that a disk dr iv e has failed . Other indicati ons of f ailed disk dri ve s are a s follo ws: • A CU repr ese nts failed dr iv es with a distinc tiv e icon.
• When RAID6 with ADG is u sed , two dr iv es can fail simultaneou sly (and be r eplaced simultan- eousl y) w ithout data los s. • If the offline dr iv e is a spar e, the degr aded dri ve can be r eplaced.
situation occ urs, r estart the serv er . The s ys tem might t empor aril y become oper ational long e nough to allo w reco very of unsa ved data . In an y case , locate the fa ulty dri ve , replace it , and r estor e data fr om back up .
9 Replacement pr ocedures C us tomer s elf r epair (CSR) Info rmation in “ Exploded v iew ” o n page 59 identif ies har dw are compo nents that ar e cu stomer r eplaceable .
Identify ing the spar e par t P arts hav e a nine -char acter spar e par t number on the ir label . F or some spar e par ts, the part number might be a vailable in the manage ment softw are utility . Alter nativ ely , the HP call center w ill assist in identify ing the corr ect spar e part number .
• P lac ing remo ved cables on the f loor or other surf aces, w her e they mi ght be walk ed on or oth- erwis e compr essed . R eplacemen t instr ucti ons Prin ted instru ctions ar e shipped with the r eplacement part . Instruc tions f or all r eplaceable componen ts ar e also post ed to the HP web site: http://www .
CSR status Description Mandatory 1. Disk dri ve Mandatory 2 . V oltage Regulator Module (VRM) Mandatory 3 . F ront U nit ID Mandatory 4. P ow er supply Mandatory 5 . I/O module Mandatory 6. Bac kplane Mandatory 7 . Fan module Mandatory 8. F an module inter connect boar d Not a CSR part 9 .
10 Suppor t and ot her res our ces C ontac ting HP Bef ore y ou cont act HP Be sur e to hav e the follo wing inf ormati on av ailable bef or e yo u call or contact HP: • T echnical su pport registr .
Doc umentati on feedbac k HP w elcomes y our feedbac k. T o make co mments and suggesti ons about pr oduct docume ntation , please send a mes sage to stor agedocsF eedback@hp .com . All submissi ons become the pr opert y of HP . R elated inf or mation W ebsites • HP: http://www .
CA UTION: Indica tes tha t failur e to foll ow dir ections coul d r esult in damage t o equipmen t or data . IMPOR T ANT: Pr ov ides cl arify ing infor mati on or spec if ic instr ucti ons. NO TE: Pr ov ides additi onal inf or mation . TIP: Pr ov ides help ful hin ts and short cuts .
Support and other r esour ces 64.
11 Regulat or y compliance notices This s ection co ntains r egulatory notices f or the HP St orage W orks D2 600/2 7 00 6Gb S AS disk enclo sur es. R egulatory compli ance ide ntif i catio n number s.
Modif icati ons The FC C r equire s the user to be n otifi ed that any c hanges or modif icati ons made to this dev ice that ar e not e xpre ssly appr ov ed by He wlett-P ack ard C ompan y might v oid the u ser's auth ority to oper ate the equipment .
Japanes e po w er cor d stateme nt K or ean noti ces Clas s A equipmen t T ai w anes e noti ces B SMI Clas s A noti ce Chine se noti ce R ecy c ling noti ces English noti ce D2 600/D2 7 00 Disk Enclos.
Bulgar ian noti ce Cz ech n otice Danish noti ce Dutc h notice Regulat ory compliance notice s 6 8.
E stoni an noti ce F innish notice F re nch n otice Ger man notice D2 600/D2 7 00 Disk Enclosur e User Gui de 6 9.
Gr eek noti ce Hungar ian no tice Itali an notice L at v ian noti ce Regulat ory compliance notice s 7 0.
L ithuani an noti ce P olish no tice P ortuguese n otice R omanian n otice D2 600/D2 7 00 Disk Enclosur e User Gui de 71.
Slo v ak notice Spanish n otice S wedish n otice T urkish no tice Türkiy e Cumhur iyeti: EEE Yönetmeli ğ ine Uy gundur Regulat ory compliance notice s 7 2.
Inde x B best pr actices cabling , 3 5 po wer s our ces, 3 8 po wer ing on, 3 9 r acking , 30 C cables best pr actices , 3 5 cable management co nsider ations , 3 5 connecting cas caded enclo sure s, .
doc ument r ev ision his tory , 2 doc umentatio n con venti ons, 6 2 pr ov iding feedbac k, 6 2 dual domain e xample ca bling, 4 8 , 4 9 , 50 E en vir onmental r equir ements , 29 E uropean U nion not.
pr eparing the con trolle r fo r disk enclosur e, 3 4 pr eparing the se rver fo r disk enclosur e, 3 4 R Rac k Builder w ebsite , 2 9 r ack r ails con verting f or ro und-hole r acks, 31 r ack sta bil.
7 6.
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