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单选题

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?()

发布日期:2020-04-10

An administrator has a two-node PowerHA cluster in...
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

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