單項選擇題

A cluster administrator is performing fallover testing during a scheduled system outage. Node ’A’ Was forced down and eventually rebooted. When Node ’A’ reintegrates into the cluster， the resource group state is offline. No errors are found in reviewing the hacmp.out file.
What could have been done to ensure the resource group was acquired when cluster processing was restarted on Node ’A’？（）

A. Nothing，HACMP does not require them automatically.
B. Force the remaining nodes down，then reintegrate them all.
C. Select reacquire resources after forced down on start menu.
D. Create a setting timer to bring the resource group online.

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單項選擇題

During normal cluster processing in a five-node cluster，one of the nodes unexpectedly crashes. A review of the system dump indicates that a DMS timeout has occurred. The cluster is configured to use disk heartbeats as a Point-to-Point network.
What should be done to address the problem with this configuration？（）

A. More disk should be added to the disk heartbeat network，allowing more paths for heartbeats.
B. An RS232 network is required to supply a more robust non-IP network when disk heartbeating is implemented.
C. The network tunable parameters should be changed to allow more missed heartbeats since the disks may be heavily used.
D. An error notification method is required to determine the action to take in response to a failure of the disk heartbeat.

單項選擇題

A two-node cluster provides NFS exports to a variety of UNIX clients. During fallover testing，it is determined that some clients are unable to mount the exported filesystems after fallover，and before node reintegration. It is verified that the filesystems belong to a resource group and are correct in /usr/es/sbin/cluster/etc/exports.
Which of the following may provide a possible solution to this problem？（）

A. Use HWAT for IPAT to provide more reliable NFS serving.
B. Use AIX Fast Connect to provide more robust NFS serving.
C. Use NFS Cross Mounting to allow both nodes to export NFS properly.
D. Use the "Filesystem Mounted before IP Configured" flag to provide more predictable NFS serving.

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