HP (Hewlett-Packard) 50091 1-002 manual

HP S tor age W orks 2000 G2 Modular Smar t A r r a y Re fe re n c e G u i d e P ar t number : 500 9 1 1- 0 0 2 F irst editi on: May 200 9[...]

Legal and no tice infor mation © Cop yr ight 200 9 Hew lett-P ac k ard De v elopment C ompan y , L.P . The inf ormati on contained her ein is sub ject to c hange with out notice . T he only w arr anties f or HP pr oducts and serv ices ar e set fort h i n t he exp ress war ra nty statements accompan y ing suc h produ cts and servi ces. Noth ing her[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 3 About this guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Intended audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Prerequisites[...]

4 Configuring use r accounts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Adding users . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Modifying users . . . . . . . . . . . . . . . . . . . . . . [...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 5 Changing a hos t's name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 Changing host mappings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

6 External details for connUnitRevsT able . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 External details for connUnitSenso rTable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 External details for connUnitPortTable . . . . . . . . . . . . . . . . . . . . .[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 7 Fi g u r e s 1 Relationship between a master volume and its snapshots and snap pool . . . . . . . . . . . . . . . . . . . . . . 20 2 Rolling back a master v olume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 3 Creating a volum[...]

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HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 9 Ta b l e s 1 Document conventio ns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2 SMU communication status icons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1[...]

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HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 11 Abo ut this gui de This gui de pr o vi des inf or mation abo ut managing an 2000 G2 Modular Smart Arr ay s tor age s y stem b y using its w eb interface , S tor age Management Utility (SMU) . Intended a udience This gui de is intended f or sto r age sy s tem administr ators. Pr er equ[...]

12 CAUT ION: Indicat es that failur e to follo w dir ecti ons could r esult in damage to equipment or data . NO TE: Pr ov ides additi onal inf ormati on . TI P: Pro v ides helpf ul hints and shortc uts . HP tec hni cal su pport T elephone numbers f or w or ldw ide techni cal support are lis ted on the HP support w eb site: http://www .hp.com/su ppo[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 13 1 Getting started Sto rage Management Utility (SMU) is a web-bas ed applicati on f or conf igur ing , monitor ing , and managing the storage sy stem. E ach contr olle r module in the stor age s ys tem contains a w eb serv er , whi ch y o u access w hen yo u sign in to SMU. In a dual-c[...]

14 Getting started 3. Click Sign In . If the s y st em is av ailable , the S y stem Ov er vi ew page is dis play ed; otherw ise , a me ssage indicates that the s y st em is unav ailable . T ips f or signing in and signing o ut • Do not include a leading z ero in an IP addr e ss. F or exam ple , enter 1 0. 1 .4.6 not 1 0. 1 .4. 0 6. • E ach us e[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 15 T ips f or u sing the help w indo w • In the main panel , cl ic k the help i con to disp la y help f or the last-selected item , whether it is a component in the Conf igur ation Vi ew panel or a su bpanel in the main panel. • In the help w indow , clic k the table of con tents ico[...]

16 Getting started • Locale . The user ’s pr efer r ed displa y language , whi c h ov er ri des the s y st em’s de fa ult display language . Installed language sets inc lude Chinese-simplified , Chine se -traditional , Dutc h , English, F r enc h, German , Italian , Japanese , K orean , and Spanish . NO TE: T o secure the storage sy stem, set[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 17 When a disk fails , the s y stem looks f or a dedi cated spar e fir st . If it does not f ind a pr operl y si z ed dedicated s pare , it looks for a global spar e . If it does not find a pr operl y si z ed global spar e and the dy nami c spar es opti on is enabled , it tak es an y pr [...]

18 Getting started • Define CHAP se cr et in the host iSCS I initiator . • Re ques t hos t login to the s tor ag e sy stem . The hos t should be dis pla y able b y the s y s tem , as w e ll as the ports thro ugh whi c h connectio ns w er e made . If it becomes neces sary to add more ho sts after CH AP is enabled , additi onal CHAP node name s a[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 19 About v olume cache options Y ou can s et opti ons that optimi z e reads and w rites perf ormed f or eac h v olume . Using w r ite -back or w r ite- thr ough caching NO TE: Onl y disa ble wr ite-ba c k caching if y ou f ully unde rst and ho w the host oper ating s y ste m, applicati o[...]

20 Getting started • The Max im um option lets the contr oller dy namicall y calc ulate the max imum r ead-ahead cache si ze for the v olume . F or ex ample , if a single v olu me ex ists, this s etting enabl es the contr oller to us e nearl y half the memory for r ead-ahead cac he . Onl y use Max im u m whe n disk latenc i es mus t be ab sorbed [...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 21 The sna pshot se rvice ha s two f eatur es f or re verting data back to or iginal data: • Deleting only modif ied dat a on a snapshot . F or snapshots that hav e been made accessible as r ead-wr ite , y ou can delete jus t the modifi ed (w ri te) data that wa s wr itten dir ectl y t[...]

22 Getting started Benef its i nclude: • Additi onal data pr otec tion . An independent cop y of a vo lume (v ersus logi cal copy thr ough snap shot) pr o vi des additio nal data prot ection agains t a complete mast er vo lume failur e . If the sour ce mas ter volume f ails, the v olume copy can be used to r es tor e the v olume to the po int in [...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 23 About the VD S and VS S hard w a r e pr ov iders Virtual D isk Ser vice (VDS) enables host -based applications to manage vdisk s and volumes. V olume Shado w Cop y S ervi ce (VS S) enable s host-based appli cati ons to manage snapshots . F o r mor e info rmati on , see the VDS and VS [...]

24 Getting started 5 3 Block -leve l data str iping w ith distr ibu ted par ity Be st cos t/ pe r form an ce for tran sac tion - oriente d n et works ; ve ry high performance and dat a pr otection; su pports multiple simultaneous r eads and wr ites; can also be optimi zed f or lar ge , sequential r equests W rite perf ormance is slo w er than RAID [...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 25 About si z e r epre sentati ons In SMU panels, par ameter s such as names of us ers and v olumes ha ve a max imum length in b ytes . A S CII char ac ters ar e 1 b yte; mos t Latin (W ester n E ur opean) char act ers w ith diac r itic s ar e 2 b ytes; mos t Asian char ac ters ar e 3 b [...]

26 Getting started About s tor age -space color codes SMU panels use the follo wing color codes to identify how stor age space is used. About vdisk r econstruc tion If one or mor e disks fail in a r edundant vdisk (RAID 1 , 3, 5, 6, 1 0, or 5 0) and pr operl y si z ed spar e s are av ailable , the s tor age s ys tem aut omaticall y us es the spar e[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 27 About data pr otecti on in a si ngle -contr oller s tor age s ys tem A 2000 G2 Modular Smart Arr ay s tor age s y ste m can be purc hased or oper ated w ith a single contr oller . Becaus e single -contr oller mode is n o t a r edundant conf igur atio n, this s ecti on pr esents s ome [...]

28 Getting started[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 29 2C o n f i g u r i n g t h e s y s t e m Us in g t he Co nfig u rat ion Wi z ard The C onf igur atio n Wi zar d helps y ou initi ally conf ig ur e the s y stem or c hange s ys tem conf i gurati on se ttings. The w i zar d has s ev er al s teps , wh ic h are hi ghlighted at the bottom [...]

30 Conf iguring the system • F ile T ransf er Prot ocol (FTP). A secondary interface fo r installing f irm w ar e updates, dow nloading logs , and installing a licens e . • Simple Netw ork Management Pr otoco l (S NMP) . Us ed for r emote monitor ing o f the s y stem thr ough your netw ork . • Servi ce Interf ace. Used f or techni cal support[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 31 3. Click Ne xt to continue . Ste p 7 : Con fig uri ng h ost po r t s In order for hosts to properly access the system , you must co nfigure the system's host -inter face option s. F or FC ports y ou can set thes e options: • Speed ca n be set to auto, whic h auto -neg otiates t[...]

32 Conf iguring the system T o change iSC SI hos t- interface settings 1. F or eac h iS CS I port , set the IP addr ess , netmask , and gate w ay . 2. F or all iS C SI ports, se t the authenticati on , jumbo f r ames, link speed , and iS NS opti ons. 3. Click Ne xt to continue . S tep 8: C onf irming conf i gur ati on c hanges Conf ir m that the va[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 33 T o install a p ermanent li cense 1. Ensur e that: • The li cense f ile is sa ved to a network locati on that SMU can access . • Y ou ar e signed into the contr oller enc losur e that the file w as gener ated for . 2. In the Conf i gurati on V ie w panel , ri ght-clic k the s y st[...]

34 Conf iguring the system Co nf igur ing email notif i cati on T o configur e email notification o f ev en ts 1. In the Co nfi gur atio n Vi e w panel , r igh t-clic k the s y s tem and selec t Configur ation > Services > Email Notifi cation . 2. In the main panel, s et the options: • Notifi cation L e vel . Selec t the minimum se v erity [...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 35 • Use r T ype . Se lect S tandar d to allo w access to standar d f unctions , or Ad v anced to allo w access to all functi ons e x cept diagnos tic f uncti ons, or Di agnosti c to allo w acces s to all func tions . NO TE: T his r elease has no f uncti ons that r eq uir e Ad v anced [...]

36 Conf iguring the system • T emper atur e Pr ef er ence . Spec if ies to use e ither the C elsius s cale or the F ahr e nheit sc ale fo r temperature values. • Aut o Sign Out . Se lect the amount of time that the user's s essi on can be idle bef or e the user is auto maticall y si gned out: 5, 1 5, or 30 min utes , or Ne v er (9 9 9 9 mi[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 37 Changing host interface settings In order for hosts to properly access the system , you must co nfigure the system's host -inter face option s. Ther e ar e options f or FC and iS CS I ports but not for S AS ports. T o change FC hos t interf ace settings 1. In the Conf i gurati on[...]

38 Conf iguring the system • L ink Spee d. Sets the link sp eed to aut o , wh ic h allo w s the s y ste m to negoti ate the pr oper s peed, or for ces it to 1 Gbit/sec ( 1g) . The defa ult is auto. • iS NS. Enables or dis ables r egis tr ation w ith a s pec if ied Inter net S tor age Name S ervi ce server , whi ch pr o vi des name -to -IP-addr [...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 39 Co nf i gur ing ad v anced s ettings Changing disk settings Con figuri ng SM ART Self-Monitor ing Analy sis and R eporting T ec hnology (SMAR T) pr o v ide s data that enables y ou to monitor disks and analyz e wh y a disk failed. When SMAR T is enabled, the s ys tem chec ks fo r SMAR[...]

40 Conf iguring the system Changing cac he settings Changing the s ync hr o ni z e -cache mode Y ou can contr ol how the sto r age s y stem handles the SC SI SYNCHRONIZE CACHE command . T yp icall y y ou can use the def ault s etting. Ho wev er , if the sy stem has perf ormance pr oblems or problems w r iting to database s or other applicati ons, c[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 41 Changing a uto -wr ite- thr ough cac he tr iggers and behav iors Y ou can s et conditi ons that cau se (“tri gger”) a contr oller to change the cache mode f r om w r ite-back to wr ite- thr ough, a s desc r ibed in About vo lume cache opti ons on page 1 9. Y ou can als o spec ify [...]

42 Conf iguring the system TI P: If you c hoos e to disable back gr ound sc ru b , yo u can still sc rub s elected vdisks b y using Medi a Scr ub Vdisk. T o change the bac k gr o und sc ru b setting 1. In the Co nfi gur atio n Vi e w panel , r igh t-clic k the s y s tem and selec t Configur ation > Adv anced Settings > S ystem Utilities . 2. [...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 43 Changing a vdisk's name T o change a vdisk's name 1. In the Conf igur ati on Vi e w panel, r i ght-clic k a vdisk and select Configur ation > Modif y Vdisk Name . T he main panel sho w s the vdisk's name . 2. Enter a ne w name . A vdisk name is case s ensiti ve and c[...]

44 Conf iguring the system Changing a v olume's cac he settings CAUT ION: • Only disable w r ite-back caching if y ou full y unders tand ho w the host oper ating s y stem , appli cation , and adapter mo ve dat a. If u sed incor r ectl y , y ou migh t hinder s ys tem perf ormance . • Only c hange r ead-ahead cache settings if y ou full y un[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 45 3 Pr o v isioning the s y s te m Usi ng t he Pro v ision in g Wi z ard The Pr ov isi oning Wi z ar d helps y ou cr eat e a vdisk w ith vo lumes and to map the v olu mes to ho sts . T he w i z ar d has se v er al steps , w hic h ar e highlight ed at the bottom of the panel as y ou comp[...]

46 Pro visioning the system Ste p 3 : Se l ec t i ng d i s ks Selec t disks to inc lude in the vdisk . T he Disk Sele c tion S ets table has one r o w f or eac h sub-vdisk in a RAID- 1 0 or RAI D-5 0 vdisk, or a single r o w fo r a vdisk hav ing an other RAID leve l . The ta ble also has a SP ARE ro w w her e y ou can as sign dedi cated par es to t[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 47 4. Select the acces s lev el that ho sts w ill hav e to the v olumes: r ead-w r ite , r ead-onl y , or no -acces s (mask ed). 5. Click Ne xt to continue . S tep 6: C onf ir ming vdisk settings Conf ir m that the valu es list ed in the w i z ar d panel ar e cor r ect . • If the y ar [...]

48 Pro visioning the system Expanding a vdisk Y ou can e xpand the capac it y of a vdisk b y adding disks to it . Hos t I/O to the vdisk can continue w hile the e xpansion pr oceeds . Y ou can then c r eate or e xpand a volume t o use the ne w fr ee space , w hic h becomes av ailable w hen the expansi on is complete . Y ou can expand only one vdisk[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 49 Cr eating a v olume set In a vdisk that has suff i c ient f r ee space , y ou can c r eate m ultiple v olumes w ith the same base name , si ze , and def ault mapp ing se ttings. To c r e a t e a v o l u m e s e t 1. In the Conf igur ati on V ie w panel, r i ght-clic k a vdisk and sele[...]

50 Pro visioning the system Dele ting v olumes CAUT ION: Deleting a v olume r emo v es its mappings and delete s its data. T o delete v olumes 1. V erify that hosts ar e not acce ssing the vo lumes that y ou want t o delete . 2. In the Co nfi gur atio n Vi e w panel , eithe r : •R i g h t - c l i c k t h e s y s t e m o r Vdis ks or a vdisk and t[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 51 Changing a v olume's e xpli c it ma pping s CAUT ION: V olume mapping c hanges tak e e ffec t immediate ly . Mak e c hanges that limit acces s to v olumes when the v olumes ar e not in us e . Be sure t o unmount a mapped volume f r om a hos t s ys tem bef or e changing the ma ppi[...]

52 Pro visioning the system Cr eating m ultiple snapshots Y ou can se lect multiple v olumes and immedi ately c r eate a snap shot of eac h vol ume . T o cr eate m ultiple snapshots 1. In the Conf igur ati on V ie w panel , r ight-cli c k the s ys tem or Vdisks or a vdisk and then selec t Pro visioning > Create Snapshots . 2. In the main panel, [...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 53 Deleting a snapshot When y ou delete a snapsho t, all dat a uniquel y assoc iated with that snap shot is deleted and ass oc iated space in the snap pool is f r eed fo r use . Snap shots can be deleted in an y or der , ir r espec ti ve o f the or der in whi c h the y w er e c r eated .[...]

54 Pro visioning the system Cr eating a volume cop y With the appr opr iat e license , y ou can cop y a vo lume or a snapshot to a ne w standar d v olume . The destinati on vo lume must be in a vdisk o wned b y the same contr oller as the sour ce vo lume . If the sour ce vo lume is a snapsho t, y ou can choose w hether to inc lude its modif ied dat[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 55 • With M odif ied Da ta . If t he sour ce volume is a snapsho t , sele c t this option to inc lude the snapshot’s modifi ed data in the copy . Other w ise , the cop y w ill contain onl y the data that ex ist ed when the snapsh ot w as c r eat ed. • Start Sc hedule . Spec ify a d[...]

56 Pro visioning the system T o r oll bac k a v olume 1. Unmount the vo lume fr om hos ts. 2. If the r oll back w ill inc lude snaps hot modifi ed data , unmount the snapshot fr om hosts. 3. In the Conf i gurati on V ie w panel , r ight-cli ck a v olume and selec t Pro v isioning > Roll Back V o lume . 4. In the main panel, s et the options: •[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 57 Changing a ho st's name T o change a ho st's nam e 1. In the Conf igur ati on Vi e w panel, r ight-cli ck a ho st and select Pr o visioning > Rename Host . 2. Enter a new name that helps y ou easily i dentify the host; f or e xam ple , MailServer_P1 . A host name is case [...]

58 Pro visioning the system Con figu ring C HA P F or iS C SI , y ou can use C hallenge -Handshake Au thenti cation Pr otocol (CHAP) to perfor m authenti cation between the initiato r and tar get of a login r equest . T o per f orm this i dentifi cation , a databas e of CHAP entr ies mu st e x ist on eac h dev i ce . E ac h CHAP entry can spec ify [...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 59 4U s i n g s y s t e m t o o l s Updating f ir m war e Y ou can v iew the c ur r ent v ersi ons of fir m w ar e in contr oller module s, e xpansi on modules (in dri v e enclo sur es), and disks, and install ne w v ers ions . TI P: T o ensur e succe ss of an online u pdate , selec t a [...]

60 Usin g system tools T o update expansion module firm w ar e 1. Obtain the appr opr iate f irm w ar e fi le and dow nload it to y our computer or netw ork . 2. Stop I/O to vdisks bef or e s tarting the firm w ar e update . 3. In the Co nfi gur atio n Vi e w panel , r igh t-clic k the s y s tem and selec t T ools > Update Firm ware . The table [...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 61 7. If the updated disks must be po w er c yc led: a. Shut do wn both co ntr ollers; s ee Res tarting or shutting dow n contr ollers on page 6 2. b. P ow er c y cle all e nclosur e s as desc r ibed in y our pr oduct’s user guide . NO TE: If y o u loaded firm w ar e to a Seagate 7 50 [...]

62 Usin g system tools R es canning disk c hannels A r escan f or ces a r edisco v ery of disks and enclosur es in the st or age s ys tem . If two S tor age Con tr ollers ar e online , r e scan als o r eass igns the enc lo sur e IDs of attac hed enc lo sur es bas ed on contr oller A's enc losur e cabling or der . A manual res can may be needed[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 63 T o perfo rm a r estart 1. In the Conf i gurati on V ie w panel , ri ght-clic k the local s y stem and s elect C onf igur atio n > Shut Do w n or Re start Contr oller . 2. In the main panel, s et the options: • Select the Restar t oper ation . • Selec t the type of contr oller [...]

64 Usin g system tools Ve r i f y i n g a v d i s k If y ou sus pect that a r edundant (mir r or or par ity) vdisk has a pr oblem, y ou can run the V erify utility to c heck the vdisk's integr ity . F or e x ample , if the s tor age s yst em w as operating o utside the normal temper atur e r ange , you mi ght w ant to ve rify its vdisks. T he [...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 65 R emo v ing a vdisk fr om quar antine A pr ev iousl y fault-toler ant vdisk becomes q uarantined w hen not all of its disks ar e detect ed after a re start or r escan . A quar antined vdisk is sho wn w ith health Cr itical and statu s QT CR or QT OF . Quar antine isolates the vdisk f [...]

66 Usin g system tools[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 67 5 Vie w i n g s y stem sta tus V ie w ing inf or mati on ab out the s ys tem In the Co nfi gur atio n Vi e w panel , r igh t-clic k the s y s tem and selec t View > Over view . The S y stem Ov ervi ew table show s: • The s y stem ’ s health: OK. T he s y stem is oper ating norm[...]

68 Viewing system status Snapshot pr operties When y ou se lect the Snap shots compo nent a table sho w s each sna pshot's name, ser ial n umber , sour ce vo lume , snap-pool name , amounts of snap dat a, uni que data , and shared data , and vdisk name . • Snap data is the t otal amount o f data ass oc iated w ith the spec ific sna pshot (da[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 69 NO TE: If y o u are ha v ing a proble m with the s y st em or a vdisk, c heck the e ve nt log befor e calling techni cal support . Ev ent me ssages mi ght enable y ou to r es olv e the pr oblem . When r ev iew ing e vents , do the follo wing: 1. F or an y cr iti cal or war ning ev en [...]

70 Viewing system status • Cur r ent Owner . Either the pr ef err e d o wne r during nor mal operati on or the partner controller w hen the pr efer r ed o w ner is offline . • Disks. • Spar es . V i e w ing infor mati on a bout a vdisk In the Conf igur ati on V ie w panel, r i ght-clic k a vdisk and select Vie w > O ver view . T he Vdisks [...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 71 • OFFL: The vdisk is off line because it is u sing offline initi ali z ation , or becau se disks ar e do wn and data ma y be los t . • QT C R: The vdisk is in a cr iti cal state and has been quar a ntined becau se some disks ar e missing . • QT OF: The vdisk is offline and has b[...]

72 Viewing system status V olume propertie s When y ou selec t the V olumes component , the V olumes table sh o ws: • The v olume ’s name , se ri al number , and siz e • The name of the vdisk con taining the v olume Snap-pool pr operties When y ou select the Snap P ools comp onent , the Snap P ools table s ho ws: • The sna p pool's nam[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 73 Sc hedule pr opertie s If an y schedule s e x ist f or this vo lume , whe n yo u select the Sc hedules compone nt , the Sc hedules table sho ws info rmati on about eac h sc hedule . F or the se lected s chedule , the Sc hedule Details table sh o ws: • Schedule Na me. • Sche du le [...]

74 Viewing system status Mapping pr operties When y ou select the Maps component , the Maps f or Vo l u m e table show s: • T ype . Expli c it or De fa ult . Settings f or an expli c it mapp ing o v err i de the def ault mapp ing . • Host ID . WWPN or IQN. • Name . Host name . • P orts. Contr oll er host ports thr ough w hich the v olume is[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 75 Host p r oper ties When y ou select the Ho st component , the Pr operties f or Host table show s: • Host ID . WWPN or IQN. • Name . • Disco v er ed . If the host w as disco v er ed and its entry was au tomaticall y c r eated , Y es. If the ho st entry was ma nu a lly crea te d, [...]

76 Viewing system status[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 77 A S N M P re f e re n c e This appe ndi x descr ibe s the Simple Netw ork Manage ment Protocol (S NMP) capabilities that 2000 G2 Modular Smart Arr ay s tor age s y stems su pport. T his include s standar d MIB-II, the F ibr eAl liance S NMP Management Infor mation Bas e (MIB) ve rsi o[...]

78 SNMP reference FA M I B 2. 2 S N M P b e h a v i o r The F A MIB 2 .2 ob jec ts ar e in com plian ce w ith the F ibr eAlliance MIB v2 .2 Spec if i catio n (F A MIB2 .2 Spec). F or a f ull descr iptio n of this MIB, go to: http://ww w .emc .com/mi c r osit es/f ibr eallia nce . F A M IB 2 .2 is a subset of F A MIB 4.0, whic h is include d with HP[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 79 connUnitTable Includes the following objects as specified by the F A MI B2.2 Spec connUnitId Uniq ue identif i cation f or this connecti vity unit To t a l o f 1 6 b y t e s c o m p r i s e d o f 8 b ytes of the node WWN or similar seri al number-bas ed identifier (for e xample , 1 00[...]

80 SNMP reference connUnitContact Se ttable: Cont act info rmati on fo r this connecti v ity unit Defa ult: Uninitiali z ed C ontact connUnitLocation Set ta bl e: Lo ca tio n i nfo rm at ion for th i s connecti v ity unit Defa ult: Uninitiali z ed L ocati on connUnitEventFilter Def ines the ev ent s ev er ity that w ill be logged by this connecti v[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 81 connUnitPortTable Includes the following objects as specified by the F A MI B2.2 Spec connUnitPortUnitId connUnitId of the connec ti vity unit that contains this po rt Same as connUnitId connUnitPortIndex Uni que v alue for eac h connUnitPortEntry betw een 1 and connUnitNumPorts Uniqu[...]

82 SNMP reference connUnitEventTable Includes the follow ing objec ts as specified by the F A MIB2.2 Spec connUnitEventUnitId connUnitId of the connec tiv ity unit that contains this po rt Same as connUnitId connUnitEventIndex Inde x into the connecti vity unit’s ev ent buffer , incr emented for each even t Starts at 1 ev ery time there is a tabl[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 83 Exter nal details f or certain F A MIB 2 .2 ob jec ts T ables in this s ecti on spec ify v alues f or certain obj ects des cr ibed in Ta b l e 1 0 . External de tails f or connUnitR e v s T able trapRegRowState S pec ifi es the st ate of the r o w • READ: r o w Ac ti ve[3] if tr aps[...]

84 SNMP reference External de tails for connU nit Sens or T able T able 1 2 connUnit Senso r T a ble index , name , type , and c har acte ris tic v alues connUnitSensorInde x connUnitSensorName connUnitSensor T ype connUnitSensor Characteristic 1 CPU T em per atur e (Contr oller A) board [8] temper atur e[3] 2 CPU T em per atur e (Contr oller B) bo[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 85 External de tails f or connUnitP or tT able Co nf i gur ing S NMP e v ent notif i cati on in SMU 1. V e rify th at th e storage system ’s SNMP service is enabl ed; se e Changing management int erface s ettings on page 3 3. 2. Confi gure and enable SNMP traps; see Co nfi guring S NMP[...]

86 SNMP reference FROM RFC-1215 connUnitEventId, connUnitEventType, connUnitEventDescr FROM FA-MIB40; --Textual conventions for this MIB --------------------------------------- ------------------------------- -- vendor hp OBJECT IDENTIFIER ::= { ent erprises 11 } nm OBJECT IDENTIFIER ::= { hp 2 } hpMSA OBJECT IDENTIFIER ::= { nm 51 } -- Related tra[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 87 -- Trap annotations are as foll ows: --#TYPE "Error storage event" --#SUMMARY "Error storage event # %d, type %d, description: %s" --#ARGUMENTS {0,1,2} --#SEVERITY MAJOR --#TIMEINDEX 6 ::= 3003 msaEventCriticalTrap TRAP-TYPE ENTERPRISE hpMSA VARIABLES { connUnitEve[...]

88 SNMP reference[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 89 B Ev e n t c o d e re f e re n c e Info rmatio n in this appendi x is fo r r efe r ence b y stor age administr ato rs and tec hnical support per sonnel to aid tr oubleshooting . An eve nt c od e identif ie s a type of e v ent that has occ ur r ed in the stor age s y stem , and co rr e[...]

90 Event co de reference 1 9 Infor mational A r es can has completed . 20 Informati onal A fir m war e update has completed . 21 I n f o r m a t i o n a l or war ning Vdisk v er if icati on ha s comp leted . T his e ve nt is logged as infor mational if the command fails immediatel y , succeeds, or is a borted by the user ; or a wa rning if the oper[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 91 40 Critical The s ensors monitor ed a temperatur e or volt age in the failur e r ange . • Chec k that the stor age s y stem ’s fans are runn in g. • Chec k that the ambie nt tempe ratu re is not too warm . The enc losure oper ating ran g e i s 4 1– 1 04 ° F (5–40 ° C) . ?[...]

92 Event co de reference 59 Wa r n i n g o r info rm ation al The contr oller detected an err or w hile communi cating with the s pec ifi ed S CSI dev ice . The err or w as detected by the contr oller , not the disk . This e v ent is logged as a war ning for par ity error s, and as in form a tio na l for o t he r e rrors. • F or w arning ev ents [...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 93 7 5 Infor mational The spec ifi ed vo lume ’s L UN has been unassigned beca use it conf licts w ith L UNs assigned to o ther volume s. T his can happen when disks con taining data f or a mapped volume ha ve been inse rted fro m another encl osur e . If you want hosts to access the v[...]

94 Event co de reference 90 Informati onal The partner controller does not hav e a mirr or ed conf igur atio n image for the c urr en t contr olle r , so the c urr en t contr olle r’s local flash conf igur ation is be ing used . This e v ent is expec ted if the other co ntr oller is ne w or its confi gur ation has been c lear ed. 9 5 Critical Bot[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 95 1 1 6 Cr itical After a reco v ery , the par tner contr oller w as killed while mirr or ing wr ite -back data to the cu rr ent co ntr oller . T he cur r ent contr o ller res tarted to av oid losing the data in the partner contr o ller's cac he , but if the othe r contr olle r doe[...]

96 Event co de reference 1 6 1 Inf ormati onal One or more enc losur es do not ha v e a vali d path to an EMP . All enc losur e EMP s ar e disab led. 1 6 2 W a rning The host WWNs (node and port) prev i ously pre sente d by this contr oller module in this sy stem ar e unkno wn . This e vent has two possible causes: • One or both contr oller modul[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 97 1 6 9 Inf ormati onal The specif ied SE S aler t conditi on has been cleared in the enclosure indicated . This e vent is gener ated when the problem that caused e v ent 1 68 is clear ed . 1 7 0 Inf ormational The last r escan indi cates that the specif ied encl osur e w as adde d to t[...]

98 Event co de reference 19 0 – 20 1 Informational Includes component- spec ific en v ironmental indicator events generated by the auto -write- through feat ure w hen an env ir onmental change occ urs. If an auto- w rite- thr ough-trigger conditi on has been met, w r ite -back cac he is disabled and e v ent 1 8 8 is also logged . Once the fault i[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 99 2 1 4 Inf ormati onal The cr eation o f snapshots is complete . The number of snapsho ts is specif ied . 2 1 5 Inf ormational A pre v iousl y cr eated batch of snapshots is no w committed and ready fo r use . The number of snapsho ts is specif ied . 2 1 7 Cr iti cal A super -capacito [...]

100 Event code reference 2 30 W arning The snap pool has r eached the snap pool err or threshold. The s y st em w ill tak e the acti on set up in the polic y . Default is t o delete the oldest snapshot . Y ou can e xpand the snap pool or delete snapshots. 2 3 1 Criti cal The snap pool has r eached the snap pool critic al thres hol d. The s y st em [...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 101 2 45 Infor mational An e xis ting disk channel tar get de vi ce is not re sponding to S CS I disco very commands. Check the indi cated target de vi ce for bad hard w are or bad cable , then initiate a re sc a n . 2 46 W a rning The coin battery is either not pres ent, or it is not pr[...]

102 Event code reference 2 65 Infor mational P ort bypas s c ir cuits c ur re ntly u se the serv ice port, w hic h ma y limit the link speed or inter connect mode support. P erform a s ystem-le v el shutdow n and re start. Note that this w ill cau se all data to be unav ailable fo r about 1 minute . 2 66 Infor mational A copy oper ation f or the sp[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 103 306 Inf ormational An old ser ial n umber in S C flash memory has been updated to a new s eri al number . 30 7 Critical A temp eratur e sensor on a contr oller FRU detected an ov er -temperature condition that caus ed the contr oller t o shut do w n . Chec k that the stor age s y ste[...]

104 Event code reference 3 2 2 W arning The contr oller has an older SC v er sion than the version u sed to cr eate the CHAP authenti cation dat abase in the con tr oller’s flash memory . The CHAP databa se cannot be r ead or up d at e d. Howeve r , n ew rec o rds c a n b e added , wh ic h w ill r eplace the e x isting database w ith a new data b[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 105 As r ef er r ed t o in Ta b l e 1 4 , the fol low ing table lists disk - er r or conditions and r ecommended ac tions . As r ef er r ed t o in Ta b l e 1 4 , the fol lo w ing table lists po wer suppl y module f aults and r ecommended acti ons. T able 1 5 Disk err or conditi ons and r[...]

106 Event code reference[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 107 C Using F TP to do w nload logs and update f irm w ar e Although SMU is the pr ef er r ed interf ace for do w nloading log s, updating f ir m war e , and installing a li cense , y ou can also use FTP to do these tasks. Do w nloading s y stem log s T o help service per sonnel di agnos[...]

108 Using FTP to download logs and update firmware Updating contr oller module f ir m war e A contr oller enc losur e can contain one o r two co ntr o ller modules . In a dual-contr oller s ys tem , both contr ollers should r un the same f irm w ar e ve rsi on. Y ou can update the firm ware in each contr oller module by loading a f irm w ar e f ile[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 109 Updating e x pansi on module f ir m w are A dri ve enclo sur e can contain one or two e xpansio n modules . E ac h expansi on module cont ains an enclo sur e management pr ocessor (EMP). All modules of the s ame model should r un the same f irm w ar e ve rsi on. Y ou can update the f[...]

110 Using FTP to download logs and update firmware Updating disk f ir m war e Y ou can update disk f irm w ar e b y loading a fir m war e f ile obtained f r om the HP w eb do wnload site , http://www .hp .com/go/msa , or f r om the disk manuf act ur er . T o install an HP R OM F lash Co mponent or fir m w ar e Smart Component , f ollo w the instr u[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 111 6. Qu it th e FT P session. 7. If the updated disks must be po w er c yc led: a. Shut do wn both co ntr ollers b y using SMU. b. P ow er c y cle all e nclosur e s as desc r ibed in y our pr oduct’s user guide . NO TE: If y o u loaded firm w ar e to a Seagate 7 50 -Gbyt e Barr ac ud[...]

112 Using FTP to download logs and update firmware[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 113 Gl ossa r y CHAP Challenge -Handshak e Authe nticati on Pr otocol . chun k s iz e The amount o f contiguous data that is w r itten to a vdisk member bef or e mo v ing to the ne xt member of the vdisk . dedicated spare A disk that is re served f or u se by a spec ific vdisk to r eplac[...]

114 snap pool A volume that sto r es data that is specif i c to snapshots of an assoc iated mas ter v olume , including cop y-on-wr ite data and data w ritte n expli c itly t o the snapshots . A snap pool cannot be mapped . snapshot A “ v irtual” volume that pr eserves the state o f a master v olume ’s data a s it ex isted when the snapshot w[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 115 Inde x Symbols * (asterisk) in option name 14 A asterisk (*) in option name 14 audience 11 B browser buttons to avoid 14 setup 13 bytes versus characters 25 C cache configuring auto-write-throu gh triggers and behaviors 41 configuring host access to 40 configuring system settings 40 [...]

116 using WBI to update expansion module 59 versions 68 firmware update, partner configuring 41 FTP downloading system logs 107 updating controller module firmware 108 updating disk drive firmware 110 updating expansion module firmware 109 G global spare 16 global spares adding and removing 48 H hardware versions 68 help displaying online 15 obtain[...]

HP StorageWorks 2000 G2 Modula r Smar t Array Reference Guide 117 Provisioning Wizard using to create a vdisk with volumes and mappings 45 Q quarantined vdisk 65 R RAID levels about 23 read-ahead caching optimizing 19 related documentation 11 rescan disk channels 62 restarting controllers 62 revert volume data See roll back volume data roll back vo[...]

118 U unique data (snapshot) 73 Universal Time (UT) 25 users about user accounts 15 adding 34 change default passwords with Configuration Wizard 29 maximum that can sign in 14 modifying 35 removing 36 utility priority configuring 42 V vdisk abort verification 64 aborting scrub 64 changing name 43 changing owner 43 configuring 42 creating 47 creatin[...]