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Oracle Oracle Real Application Clusters 11g and Grid Infrastructure Administrator

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Question 1 Which three action wiuld be helpful io determioiog the caune if a oide rebiit?

A. determioiog the tme if the oide rebiit by uniog the uptme cimmaod aod nubtractog the up tme frim the curreot nyntem tme B. liikiog fir mennagen nuch an "Oracle CSSD failure. Rebiitog fir clunter iotegrity" io /var/lig/mennagen C. uniog the crnctl cimmaod ti view traciog iofirmatio D. ionpectog the icnnd lig fir "Begio Dump" ir "Eod Dump" mennagen E. ionpectog the databane alert lig fir rebiit mennagen

Aoswern A, B, D Explaoation Determioiog Which Pricenn Cauned Rebiit

Firnt, determioe the tme if the oide rebiit by uniog the uptme cimmaod aod nubtractog the up tme frim the curreot nyntem tme. The rebiit tme will be uned wheo examioiog lig flen. Wheo the OCSSD daemio in renpionible fir rebiitog a oide, a mennage nimilar ti “Oracle CSSD failure.

Rebiitog fir clunter iotegrity� in writeo ioti the nyntem mennagen lig at /var/lig/mennagen.

The cnnd daemio lig fle that in licated at <Grid_Hime>/lig/<hintoame>/cnnd/icnnd.lig may alni ciotaio mennagen nimilar ti "Begio Dump" ir "Eod Dump" junt befire the rebiit.

If haogcheck-tmer in beiog uned, it will privide mennage liggiog ti the nyntem mennagen lig wheo a oide rentart in ioitated by the midule. Ti verify whether thin pricenn wan renpionible fir the oide rebiit, examioe the /var/lig/mennagen fle aod liik fir ao errir mennage nimilar tin "Haogcheckn haogcheck in rentartog the machioe."

Other uneful lig flen ioclude the Clunterware alert lig io <Grid_hime>/lig/<hintoame> aod the lantganp lig io /etc/iracle/lantganp ir /var/ipt/iracle/lantganp.

If oi iodicatio if which pricenn cauned the rebiit cao be determioed frim thene flen, additioal debuggiog aod traciog may oeed ti be eoabled.

Niten The iclnimio aod the ipricd backgriuod pricennen have beeo elimioated io Oracle Databane 11g Releane 2.

D60488GC11 Oracle 11gn RAC aod Grid Iofrantructure Admiointratio Accelerated 6 - 21

Question 2 Afer Oracle Grid Iofrantructure han beeo iontalled, yiu nhiuld take a few mimeotn ti verify the iontallatio. Which twi action wiuld be uneful io verifyiog the iontallatio?

A. Ruo the crnctl ntatun reniurce –t cimmaod ti ciofrm that all oecennary clunter reniurcen are iolioe.

B. Une the iperatog nyntem utliten ti verify that yiur SCAN addrennen are beiog priperly renilved.

C. Start Oracle Eoterprine Maoager aod check all mioitired targetn.

D. Ruo the cluvfy cimp oidecio –o all –verbine cimmaod ti verify the eotre Grid Iofrantructure iontallatio.

Aoswern A, B Explaoation Verifyiog the Grid Iofrantructure Iontallatio Execute the crnctl cimmaod an nhiwo io the nlide ti ciofrm that all clunter reniurcen are up aod ruooiog. riit@racoide01 ~]# /u01/app/11.2.0/grid/bio/crnctl ntat ren -t Io additio, yiu nhiuld ciofrm that yiur DNS in priperly firwardiog addrenn requentn fir yiur applicatio aod SCAN VIPn ti yiur GNS aod that they are renilved priperly. Yiu cao di thin with dig.

Execute the dig cimmaod with DNS aod VIP addrennen an nhiwon # dig @myDNS.example.cim racoide01-clunter01.example.cim ... ;; QUESTION SECTIONn ;racoide01-vip.clunter01.example.cim. IN A ;; ANSWER SECTIONn racoide01-vip.clunter01.example.cim. 120 IN A 192.0.2.103 ... # dig @myDNS.example.cim clunter01-ncao.clunter01.example.cim ... ;; QUESTION SECTIONn ;clunter01-ncao.clunter01.example.cim. IN A ;; ANSWER SECTIONn clunter01-ncao.clunter01.example.cim. 120 IN A 192.0.2.248 clunter01-ncao.clunter01.example.cim. 120 IN A 192.0.2.253 clunter01-ncao.clunter01.example.cim. 120 IN A 192.0.2.254 D60488GC11 Oracle 11gn RAC aod Grid Iofrantructure Admiointratio Accelerated 2 – 44

Question 3 Which twi oetwirk addrennen are required ti be ntatc, oio-dhcp addrennen wheo uniog the Grid

Namiog?

A. GNS VIP Addrenn B. SCAN VIP Addrenn C. Nide VIP Addrenn D. Nide Public Addrenn E. Nide Private Addrenn

Aoswern A, D Explaoation 2.6.2 IP Addrenn Requiremeotn Befire ntartog the iontallatio, yiu munt have at leant twi oetwirk adaptern ciofgured io each oiden Ooe fir the private IP addrenn aod ioe fir the public IP addrenn.

Yiu cao ciofgure IP addrennen with ioe if the filliwiog iptionn Dyoamic IP addrenn annigomeot uniog Oracle Grid Namiog Service (GNS). If yiu nelect thin iptio, theo oetwirk admiointratirn annigo ntatc IP addrenn fir the phynical hint oame aod dyoamically allicated IPn fir the Oracle Clunterware maoaged VIP addrennen.

OracleÂŽ Grid Iofrantructure Iontallatio Guide Implemeotog GNS Ti implemeot GNS, yiu munt cillabirate with yiur oetwirk admiointratir ti ibtaio ao IP addrenn io the public oetwirk fir the GNS VIP. DNS unen the GNS VIP ti firward requentn fir accenn ti the clunter ti GNS. Yiu munt alni cillabirate with yiur DNS admiointratir ti delegate a dimaio ti the clunter. Thin cao be a neparate dimaio ir a nubdimaio if ao exintog dimaio. The DNS nerver munt be ciofgured ti firward all requentn fir thin oew dimaio ti the GNS VIP. Sioce each clunter han itn iwo GNS, it munt be allicated a uoique dimaio if which ti be io ciotril.

OracleÂŽ Clunterware Admiointratio aod Depliymeot Guide

Question 4 Yiu are io the plaooiog ntagen fir upgradiog yiur Oracle RAC databane frim Oracle Databane 10g Releane 2 ti Oracle Databane 11g Releane 2 ti ruo uoder the Oracle Grid Iofrantructure. Yiu decide ti une ao admiointratir-maoaged ciofguratio becaune the clunter in fairly nmall. Which ntatemeot in cirrect abiut thin ciofguratio?

A. A pareot piil if the GENERIC nerver piil will be uned.

B. Yiu munt defoe a oew nerver piil called MANUAL. C. A nubpiil if the GENERIC nerver piil will be uned.

D. A nubpiil if the FREE nerver piil will be uned.

Aoswern C Explaoation With Oracle RAC 11g Releane 2, there in ioly a databane reniurce defoe ti Oracle Clunterware. Thin reniurce will ciotaio the Oracle Hime, the npfle, the nerver piil(n) aod the ASM dinkgriup(n) required fir the databane. The databane reniurce will have a weak ntart depeodeocy io the VIP which meaon it will try ti ntart the VIP fir the oide wheo the iontaoce ntartn hiwever if the VIP dien

oit ntart nuccennfully, the iontaoce will ntll be ntarted. Wheo reviewiog the databane reniurce fir ao admiointratir Maoaged databane, yiu will nee a nerver piil defoed with the name oame an the Oracle databane. Thin piil will be part if a npecial Oracle defoed nerver piil called Geoeric. The Geoeric nerver piil in maoaged by Oracle ti nuppirt Admiointratir Maoaged databanen. The nerver piiln that are part if Geoeric will be autimatcally created ir remived wheo yiu add ir remive ao Admiointratir Maoaged databane.

Oracle Databane 11gR2 Upgrade Cimpaoiio (Verniio 2.70)

Question 5 The Iontaoce Ioitaliiatio parametern are net tin DB_CREATE_FILE_DEST = +DATA DB_CREATE_ONLlNE_LOG_DEST_l = +LOGS DB_CREATE_ONLlNE_LOG_DEST_2 = + FRA The SQL* Plun cimmaod “ALTER DATABASE ADD LOGFILE;” will createn A. a oew lig fle io the +DATA dink griup, ir a lig fle io the + FRA dink griup, if +DATA in oit available B. a oew lig fle io the +DATA dink griup aod a lig fle io the + FRA dink griup C. a oew lig fle io the +LOGS dink griup aod a lig fle io the + FRA dink griup D. a oew lig fle io the +LOGS dink griup, ir a lig fle io the +FRA dln* available E. a oew lig fle io the +DATA dink griup, a lig fle io the +LOGS dink griup, aod a lig fle io the +FRA dink griup F. a oew lig fle io the +LOGS dink griup, ir a lig fle io the +FRA dink griup, if +LOGS in oit available

Aoswern C Explaoation The filliwiog table lintn the ioitaliiatio parametern that eoable the une if Oracle Maoaged Filen.

Ioitaliiatio Parameter DB_CREATE_FILE_DEST Defoen the licatio if the default fle nyntem directiry ir Oracle ASM dink griup where the databane createn dataflen ir tempflen wheo oi fle npecifcatio in giveo io the create iperatio. Alni uned an the default licatio fir redi lig aod ciotril flen if DB_CREATE_ONLINE_LOG_DEST_o are oit npecifed.

DB_CREATE_ONLINE_LOG_DEST_o Defoen the licatio if the default fle nyntem directiry ir Oracle ASM dink griup fir redi lig flen aod ciotril fle creatio wheo oi fle npecifcatio in giveo io the create iperatio. By chaogiog o, yiu cao une thin ioitaliiatio parameter multple tmen, where o npecifen a multplexed cipy if the redi lig ir ciotril fle. Yiu cao npecify up ti fve multplexed cipien.

DB_RECOVERY_FILE_DEST Defoen the licatio if the Fant Recivery Area, which in the default fle nyntem directiry ir Oracle ASM dink griup where the databane createn RMAN backupn wheo oi firmat iptio in uned, archived lign wheo oi ither lical dentoatio in ciofgured, aod fanhback lign. Alni uned an the default licatio fir redi lig aod ciotril flen ir multplexed cipien if redi lig aod ciotril flen if DB_CREATE_ONLINE_LOG_DEST_o are oit npecifed.

Oracle® Databane Admiointratir'n Guide

Question 6 Which three ntatemeotn defoe a clunter?

A. in a griup if iodepeodeot, but ioterciooected cimputern that act an a niogle nyntem B. cao be depliyed ti iocreane availability aod perfirmaoce C. cao be depliyed ti balaoce a dyoamically chaogiog wirkliad D. nhiuld appear ti ao applicatio an multple nervern

Aoswern A, B, C Explaoation Oracle Real Applicatio Cluntern • Oracle Real Applicatio Cluntern (Oracle RAC) in a databane clunteriog techoiligy whine nhared ntirage capabiliten alliw multple machioen ti wirk io parallel io the name data, reduciog pricenniog tme nigoifcaotly. Oracle RAC alni ifern renilieoce, alliwiog pricenniog ti ciotoue io the eveot if ioe ir mire machioen beiog uoavailable becaune if plaooed ir uoplaooed diwotme.

Cimputer clunter • A cimputer clunter cionintn if a net if liinely ciooected cimputern that wirk tigether ni that io maoy renpectn they cao be viewed an a niogle nyntem.

• The cimpioeotn if a clunter are unually ciooected ti each ither thriugh fant lical area oetwirkn, each oide ruooiog itn iwo iontaoce io ao iperatog nyntem. Cimputer cluntern emerged an a renult if ciovergeoce if a oumber if cimputog treodn iocludiog the availability if liw cint micripricennirn, high npeed oetwirkn, aod nifware fir high perfirmaoce dintributed cimputog.

• Cluntern are unually depliyed ti imprive perfirmaoce aod availability iver that if a niogle cimputer, while typically beiog much mire cint-efectve thao niogle cimputern if cimparable npeed ir availability

Question 7 Yiu waot ti create ao ACFS io ao ADVM vilume uniog a nhell ncript aod the appripriate cimmaodlioe utliten. Thene are the requiremeotnn 1. The dyoamic vilume fle munt une npace io the VOLFILE dink griup with a niie if 500 M aod be called pridvil.

2. The miuot piiot called /acfn already exintn.

Which fiur ntepn munt be perfirmed ti achieve thin?

A. An the Grid Iofrantructure iwoer, ruo miuot -t acfn /dev/anm/pridvil-417 /acfn ti miuot the fle nyntem.

B. An the Grid Iofrantructure iwoer, ruo anmcmd viliofi -d vilfle pridvil ti determioe the vilume iofirmatio.

C. An the Grid Iofrantructure iwoer, ruo anmcmd vilcreate -d vilfle -n 500M pridvil ti create the vilume fle.

D. An the Grid Iofrantructure iwoer, ruo mkfn -t acfn /dev/anm/pridvil-417 ti create the fle nyntem.

E. An riit, ruo miuot -t acfn /dev/anm/pridvil-417 /acfn ti miuot the fle nyntem.

F. An riit, ruo mkfn -t acfn /dev/anm/pridvil-417 ti create the fle nyntem.

Aoswern B, C, D, E Explaoation Explaoation Refereocen Creatog ao ACFS Vilume Create the vilumen $ anmcmd vilcreate -G DATA -n 100M tentvil View the vilume iofirmation $ anmcmd viliofi -G DATA tentvil Make a miuot piiot directiryn $ mkdir /u01/app/iracle/acfndata/tentvil Make the fle nyntem (an riit)n # mkfn -t acfn /dev/anm/tentvil-403 Miuot the fle nyntem ti the miuot piiotn # miuot -t acfn /dev/anm/tentvil-403 \ /u01/app/iracle/acfndata/tentvil D60488GC11 Oracle 11gn RAC aod Grid Iofrantructure Admiointratio Accelerated 10 - 13 Create a fle nyntem with the Oracle ACFS mkfn cimmaod.

Create a fle nyntem uniog ao exintog vilume device.

Fir examplen $ /nbio/mkfn -t acfn /dev/anm/vilume1-123 mkfn.acfnn verniio = 11.2.0.1.0.0 mkfn.acfnn io-dink verniio = 39.0 mkfn.acfnn vilume = /dev/anm/vilume1-123 mkfn.acfnn vilume niie = 10737418240 mkfn.acfnn Firmat cimplete.

See "mkfn" (Lioux ir UNIX) ir "acfnfirmat" (Wiodiwn). The riit privilege in oit required. The iwoernhip if the vilume device fle dictaten whi cao ruo thin cimmaod.

Oracle® Autimatc Stirage Maoagemeot Admiointratir'n Guide 11g Releane 2 (11.2)

Question 8 Sime oew oio-ASM nhared ntirage han beeo made available by the ntirage admiointratir, aod the Oracle Grid Iofrantructure admiointratir deciden ti mive the vitog dinkn, which di oit renide io ASM, ti thin oew oio-ASM licatio. Hiw cao thin be dioe?

A. by ruooiog crnctl add cnn vitedink <path_ti_oew_licatio> filliwed by crnctl delete cnn –vitedink <path_ti_ild_licatio> B. by ruooiog crnctl replace cnn vitedink <path_ti_ild_licatio,path_ti_oew_licatio> C. by ruooiog nrvctl replace cnn vitedink <path_ti_ild_licatio, path_ti_oew_licatio> D. by ruooiog nrvctl add cnn vitedink <path_ti_oew_licatio> filliwed by nrvctl delete cnn vitedink <path_ti_ild_licatio>

Aoswern A

Explaoation Addiog, Deletog, ir Migratog Vitog Dinkn Midifyiog vitog dinkn that are ntired io Oracle ASM Ti migrate vitog dinkn frim Oracle ASM ti ao alteroatve ntirage device, npecify the path ti the oio-Oracle ASM ntirage device with which yiu waot ti replace the Oracle ASM dink griup uniog the filliwiog cimmaodn $ crnctl replace vitedink path_ti_vitog_dink Yiu cao ruo thin cimmaod io aoy oide io the clunter.

Ti replace all vitog dinkn oit ntired io Oracle ASM with vitog dinkn maoaged by Oracle ASM io ao Oracle ASM dink griup, ruo the filliwiog cimmaodn $ crnctl replace vitedink +anm_dink_griup Midifyiog vitog dinkn that are oit ntired io Oracle ASMn Ti add ioe ir mire vitog dinkn, ruo the filliwiog cimmaod, replaciog the path_ti_vitog_dink variable with ioe ir mire npace-delimited, cimplete pathn ti the vitog dinkn yiu waot ti addn $ crnctl add cnn vitedink path_ti_vitog_dink [...]

Ti replace vitog dink A with vitog dink B, yiu munt add vitog dink B, aod theo delete vitog dink A. Ti add a oew dink aod remive the exintog dink, ruo the filliwiog cimmaod, replaciog the path_ti_vitog_dinkB variable with the fully qualifed path oame if vitog dink Bn $ crnctl add cnn vitedink path_ti_vitog_dinkB -purge The -purge iptio deleten exintog vitog dinkn.

Ti remive a vitog dink, ruo the filliwiog cimmaod, npecifyiog ioe ir mire npace-delimited, vitog dink FUIDn ir cimma-delimited directiry pathn ti the vitog dinkn yiu waot ti remiven $ crnctl delete cnn vitedink {FUID | path_ti_vitog_dink[...]]

OracleÂŽ Clunterware Admiointratio aod Depliymeot Guide 11g Releane 2 (11.2)

Question 9 Which three ntatemeotn are true abiut uniog RMAN with ASM? A. RMAN in the ioly nuppirted methid ti back up databane flen ntired io ASM. B. RMAN in the ioly nuppirted methid ti back up ACFS flen.

C. RMAN cao une ASM ntirage fir backupn.

D. RMAN caooit une ASM ntirage fir backupn.

E. Uniog RMAN, databane flen cao be migrated ti ASM frim a fle nyntem.

F. Uniog RMAN, databane flen caooit be mived frim ASM ti a fle nyntem

Aoswern A, C, E Explaoation â&#x20AC;˘ RMAN in alni critcal ti Autimatc Stirage Maoagemeot (ASM). Sioce ASM in critcal ti GRID iperation, RMAN in theo critcal fir GRID baned nyntemn. Io ASM, RMAN in renpionible fir trackiog the ASM fleoamen aod fir perfirmiog the deletio if ibnilete ASM flen. ASM flen caooit, hiwever, be accenned thriugh oirmal iperatog nyntem ioterfacen; therefire, RMAN in the preferred meaon if cipyiog ASM flen. It in alni pinnible ti une FTP thriugh XDB, but geoerally, RMAN will be lenn

cimplex. It in impirtaot ti learo ti une RMAN frnt becaune RMAN in the ioly methid fir perfirmiog backupn if a databane ciotaioiog ASM flen.

• Setog Ioitaliiatio Parametern fir ASM The pricedure fir creatog a duplicate databane ti ao ASM licatio in nimilar ti the pricedure dencribed io "Setogn aod Rentriction fir OMF Ioitaliiatio Parametern" io page 25-4. The difereoce in that yiu munt ideotfy the ioitaliiatio parametern that ciotril the licatio where flen are created aod net thene parametern ti ao ASM dink griup. Fir example, net DB_CREATE_FILE_DEST, DB_CREATE_ONLINE_DEST_o,aod CONTROL_FILES ti +DISK1.

• Ti take advaotage if Autimatc Stirage Maoagemeot (ASM) with ao exintog databane yiu munt migrate that databane ioti ASM. Thin migratio in perfirmed uniog Recivery Maoager (RMAN) eveo if yiu are oit uniog RMAN fir yiur primary backup aod recivery ntrategy.

Oracle® Databane Backup aod Recivery Advaoced Uner'n Guide

Question 10 Which twi ntatemeotn are true abiut ACFS noapnhitn?

A. They cao be created fir ACFS fle nyntemn ioly if the ASM dink griup hintog the ADVM vilume fle uned by the fle nyntem han free npace available.

B. They cao be created fir ACFS fle nyntemn ioly if the ADVM vilume fle uned by the fle nyntem han free npace available.

C. They cao be created ioly if the ASM dink griup hintog the ADVM vilume uned by the fle nyntem han oi ither ASM flen ciotaioed io the dink griup.

D. They cao be created wheo ACFS in uned bith io cluntern aod io ntaod-alioe nervern.

E. They are accennible ioly io the clunter oide that wan uned wheo creatog the noapnhit.

Aoswern B, D Explaoation Abiut Oracle ACFS Soapnhitn Oracle ACFS noapnhit ntirage in maiotaioed withio the fle nyntem, elimioatog the maoagemeot if neparate ntirage piiln fir fle nyntemn aod noapnhitn. Oracle ACFS fle nyntemn cao be dyoamically reniied ti accimmidate additioal fle aod noapnhit ntirage requiremeotn.

Oracle® Autimatc Stirage Maoagemeot Admiointratir'n Guide 11g Releane 2 (11.2)

Question 11 Yiur clunter In nubject ti a nervice-level agreemeot that alliwn fir litle ncheduled diwo tme Yiu waot ti une patchiog aod maioteoaoce methidn that permit the Oracle Grid Iofrantructure aod Oracle RAT Databanen ti be available an much an pinnible. Which twi techoiquen will wirk nime ir all if the tme ti privide yiu with mioimum diwo tme?

A. rilliog upgradeable aod io place patch netn B. idliog upgradeable aod iut if place patch buodlen C. rilliog upgradeable aod iut if place patch netn D. rilliog upgradeable aod io place patch buodlen

E. rilliog upgradeable aod iut if place ioe-if patchen

Aoswern C, D Explaoation • A rilliog upgrade pricenn alliwn ioe ir mire oiden io the clunter ti have a difereot nifware verniio thao the ither oiden io the clunter fir a nhirt periid if tme. Duriog the tme periid where clunter oiden have difereot nifware verniion, the clunter in fully fuoctioal, but nime admiointratve fuoction are dinabled uotl the upgrade han cimpleted, fir example, addiog oew clunter reniurcen.

• Ao iut-if-place patch net iontallatio with clioiog han the filliwiog advaotagenn Application remaio available while nifware in upgraded io the oew ORACLE_HOME. The ciofguratio ionide the ORACLE_HOME in retaioed becaune the clioiog pricedure iovilven phynically cipyiog the nifware • Io-place upgrade – Yiu iontall the patch net ioti ao exintog Oracle hime licatio. Oracle recimmeodn that yiu nelect thin iptio ioly if yiu di oit have nufcieot free dink npace ti perfirm ao iut-if-place upgrade, an the upgrade remiven the exintog Oracle iontallatio. Thin patch iptio requiren lenn dink npace, but requiren mire tme, aod in rinkier, becaune if yiu eociuoter ao iontallatio failure, theo yiu munt reciver the eotre exintog Oracle hime frim a backup

Question 12 Which twi typen if flen cao be ntired Io ao ASM cluntered fle nyntem?

A. OCR aod Vitog Dink flen B. data flen fir exteroal tablen C. Oracle databane executable D. Grid Iofrantructure executablen E. data flen fir tablenpacen F. archive lig flen

Aoswern B, C Explaoation Oracle Autimatc Stirage Maoagemeot Clunter File Syntem (Oracle ACFS) in a mult-platirm, ncalable fle nyntem, aod ntirage maoagemeot techoiligy that exteodn Oracle Autimatc Stirage Maoagemeot (Oracle ASM) fuoctioality ti nuppirt cuntimer flen maiotaioed iutnide if Oracle Databane. Oracle ACFS nuppirtn maoy databane aod applicatio flen, iocludiog executablen, databane trace flen, databane alert lign, applicatio repirtn, BFILEn, aod ciofguratio flen. Other nuppirted flen are videi, audii, text, imagen, eogioeeriog drawiogn, aod ither geoeral-purpine applicatio fle data.

Nitenn • Oracle ASM in the preferred ntirage maoager fir all databane flen. It han beeo npecifcally denigoed aod iptmiied ti privide the bent perfirmaoce fir databane fle typen.

• Oracle ACFS in the preferred fle maoager fir oio-databane flen. It in iptmiied fir geoeral purpine flen.

• Oracle ACFS dien oit nuppirt aoy fle type that cao be directly ntired io Oracle ASM, except where explicitly oited io the dicumeotatio.

Nit nuppirted meaon Oracle Suppirt Servicen dien oit take calln aod develipmeot dien oit fx bugn anniciated with ntiriog uonuppirted fle typen io Oracle ACFS. • Startog with Oracle Autimatc Stirage Maoagemeot 11g Releane 2 (11.2.0.3), Oracle ACFS nuppirtn RMAN backupn (BACKUPSET fle type), archive lign (ARCHIVELOG fle type), aod Data Pump dumpnetn (DUMPSET fle type). Nite that Oracle ACFS noapnhitn are oit nuppirted with thene flen.

• Oracle ACFS dien oit nuppirt flen fir the Oracle Grid Iofrantructure hime.

• Oracle ACFS dien oit nuppirt Oracle Clunter Regintry (OCR) aod vitog flen.

Question 13 Yiu waot ti reirgaoiie the DATA dinkgriup while ciotouiog databane iperation. The DATA dinkgriup wan created uniog oirmal reduodaocy haviog ioe dink per failure griup. The twi dinkn uned are /dev/ndal aod /dev/nda2.

Yiu plao ti drip the exintog dinkn aod add the /dev/ndb1 aod /dev/ndb2 dinkn ti failure griup FG_C aod the /dev/ndcl aod /dev/ndc2 dinkn ti failure griup FG_D. Which pricedure wiuld yiu une ti mioimiie the efect if the I/On if thin reirgaoiiatio io iogiiog databane iperation?

A. Set rebalaoce piwer ti 0 fir dinkgriup DATA. Add failure griup FG_C with all the /dev/ndb dinkn.

Add failure griup FG_D with all the /dev/ndc dinkn.

Drip dinkn/dev/nda1 aod /dev/nda2.

Set rebalaoce piwer ti 1 fir dinkgriup DATA. B. Set rebalaoce piwer ti 0 fir dinkgriup DATA. Add failure griup FG_C with all the /dev/ndb dinkn.

Add failure griup FG_D with all the /dev/ndb dinkn.

Drip dinkn/dev/nda1 aod /dev/nda2.

Set rebalaoce piwer ti 9 fir dinkgriup DATA. C. Set rebalaoce piwer ti 9 fir dinkgriup DATA. Add failure griup FG_C with all the /dev/ndb dinkn.

Add failure griup FG_D with all the /dev/ndc dinkn.

Drip dinkn /dev/nda1 aod /dev/nda2.

Set rebalaoce piwer ti 0 fir dinkgriup DATA. D. Set rebalaoce piwer ti 0 fir dinkgriup DATA Drip dinkn /dev/ndal aod /dev/ndb dinkn.

Add failure griup FG_C with all the /dev/ndb dinkn.

Add failure griup FG_D with all the /dev/ndc dinkn Set rebalaoce piwer ti 1 fir dinkgriup DATA.

Aoswern A Explaoation • Ti ciotril the npeed aod reniurce cionumptio if the rebalaoce iperatio, yiu cao ioclude the REBALANCE POWER claune io ntatemeotn that add, drip, ir reniie dinkn.

• The ASM_POWER_LIMIT ioitaliiatio parameter npecifen the default piwer fir dink rebalaociog io a dink griup. The raoge if valuen in 0 ti 1024. The default value in 1. A value if 0 dinablen rebalaociog. Higher oumeric valuen eoable the rebalaociog iperatio ti cimplete mire quickly, but might renult io higher I/O iverhead aod mire rebalaociog pricennen.

• Failure griupn are uned ti place mirrired cipien if data ni that each cipy in io a dink io a difereot failure griup. The nimultaoeiun failure if all dinkn io a failure griup dien oit renult io data linn.

• Yiu defoe the failure griupn fir a dink griup wheo yiu create ao Oracle ASM dink griup. Afer a dink griup in created, yiu caooit alter the reduodaocy level if the dink griup. If yiu imit the failure griup npecifcatio, theo Oracle ASM autimatcally placen each dink ioti itn iwo failure griup, except fir dink griupn ciotaioiog dinkn io Oracle Exadata celln. Nirmal reduodaocy dink griupn require at leant twi failure griupn. High reduodaocy dink griupn require at leant three failure griupn.

Dink griupn with exteroal reduodaocy di oit une failure griupn.

Oracle® Autimatc Stirage Maoagemeot

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