单项选择题
An administrator has a two-node PowerHA cluster in a mutual takeover configuration. He needs to updatefrom 5.5 service pack 1 to 5.5 service pack 2. Which of the following actions will perform the updates with norisk of disruption to applications running in the cluster？（）
A.Unmanage resource groups on all nodes， update the cluster filesets， start cluster services on all nodes，ensure cluster services stabilize
B.Update the cluster filesets on all nodes. Run ’refresh -s clstrmgrES’ on one node， wait for the cluster tostabilize， repeat for all other nodes
C.Unmanage resource groups on one node， update the cluster filesets， start cluster services. Wait for thecluster to stabilize and repeat for all other nodes.
D.Bring resource groups （RGs） online on all nodes concurrently， bring RGs offline on one node， update thecluster filesets， bring RGs online， repeat for all other nodes
相关考题
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单项选择题
Anadministratorhaswrittenascripttocheckthatthecontentsofanapplicationconfigurationfileareidenticalonallclusternodes.Thescripthasalsobeenassociatedwithauserdefinedcustomverificationmethod.Theadministratorwouldlikethecontentsofthisfiletobecheckedandverifiedautomaticallyonadailybasis.Howcanthisbeachieved？（）
A.By using a job scheduler such as cron
B.By enabling automatic cluster verification
C.By including the script name in the file /usr/es/sbin/cluster/etc/clverify.rc
D.By including the custom method name in the file /usr/es/sbin/cluster/etc/rc.authomethods -
单项选择题
Inwhichfilecantheadministratorviewthedetailedresultsoftheovernightclusterautomaticverification？（）
A.clutils.log
B.cluster.log
C.clverify.log
D.autoverify.log -
单项选择题
Whichofthefollowingcommandswilldisplayasnapshotofclusterstatus，includingdetailsofcurrentnetworkstatusandresourcegroupfallover/fallbackpolicies？（）
A.cldump
B.cllssvcs
C.clshowres
D.clstat -o
