Following a successful cluster fallover, clstat returns no status, the snmpinfo command hangs. All  Cluster resources appear to be active. What should be done to resolve this problem?()  A、 Restart all cluster nodes.B、 Verify that cluster.es.client.rte is

题目

Following a successful cluster fallover, clstat returns no status, the snmpinfo command hangs. All  Cluster resources appear to be active. What should be done to resolve this problem?()  

  • A、 Restart all cluster nodes.
  • B、 Verify that cluster.es.client.rte is installed on all nodes.
  • C、 Use chssys -a -d -p -s clcomdES to enable cluster communication.
  • D、 Use the /usr/sbin/snmpv3_ssw-1 command to revert SNMP from version 3 to version 1.
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相似问题和答案

第1题:

During a cluster functionality test, and administrator performs a graceful stop for Node ’B’ in a three-node cluster. What is the expected state of the cluster after Node ’B’successfully completes?()  

  • A、 All cluster resources halt on Node ’B’,and one or both surviving nodes will gracefully acquire the resources.
  • B、 All cluster processes halt on Node ’B’,the cluster resources remain active,and the remaining  nodes take no action.
  • C、 All cluster processes stay active on Node ’B’,cluster resources are halted,and the remaining nodes take no action.
  • D、 All cluster resources will stop,cluster processes halt on Node ’B’,and the remaining cluster nodes take no action.

正确答案:D

第2题:

The IP subsystem fallover behavior of a two-node cluster is being testing in a large client  organization. One of the tests is to simulate a network_down event and verify that HACMP movesthe single resource group to the standby node.  What is the best way to simulate a network down condition?()   

  • A、 Turn off the IP core switch connecting the two nodes.
  • B、 Issue the command "stopsrc -g inetd" on the node that has the resource group.
  • C、 Issue the command "sh /etc/rc.tcpclean" on the node that has the resource group.
  • D、 Simultaneously unplug all network cables from the node that has the resource group.

正确答案:D

第3题:

A cluster script failed because it was unable to set the hostname, and the Cluster Manager reported the event failure. What must be done prior to sue the "HACMP Problem Determination Tools" -> "Recover From Script Failure" to have the Cluster Manager resume cluster processing?()  

  • A、 Nothing, the "Recover From Script Failure" will correct the issue.
  • B、 Disable and re-enable the effected Ethernet adapter by using ifconfig.
  • C、 Correct the error by setting the hostname on the effected node from the command line.
  • D、 Verify that the clinfo daemon is running prior to executing the "recover from scriptfailure".

正确答案:C

第4题:

An administrator will be performing a PowerHA upgrade on a cluster from version 5.3 to version 5.5. Which ofthe following tasks will verify a successful migration?()

  • A、Use the clstat command and verify the cluster is in a stable state
  • B、After each node is upgraded, run a verification and synchronization
  • C、After all nodes are upgraded, run a verification and synchronization
  • D、Take a snapshot of each node and verify the configuration is the same

正确答案:C

第5题:

An administrator runs clstat on a cluster node and receives the following response: ’Can not get  Cluster Information.’ Which of the following daemons may need to be started in order to correct this problem?()

  • A、 topsvcs
  • B、 clinfoES
  • C、 snmpinfo
  • D、 clsmuxpdES

正确答案:B

第6题:

A cluster node has a failed fibre adapter requiring the node to be halted to replace it. To minimize downtime, what is the appropriate method of performing this repair?()

  • A、 Perform the cIRGmove command to move the node’s resources to another cluster node.
  • B、 Perform a graceful stop of the cluster,replace the adapter,and restart the cluster.
  • C、 Perform a force stop of the cluster node,replace the adapter,and restart the cluster. 
  • D、 Perform a graceful takeover of the cluster,replace the adapter,and restart the cluster.

正确答案:D

第7题:

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.

正确答案:C

第8题:

An administrator has added an additional network adapter to each cluster node. The adapters  have been configured and tested, and the /etc/hosts file has been updated. However,the adapters do not appear in the pick list when the administrator tries to define the adapters to HACMP.  What would be required to correct this problem?()  

  • A、 Rerun autodiscovery.
  • B、 Synchronize the cluster.
  • C、 Restart cluster services.
  • D、 Delete and recreate the adapters.

正确答案:A

第9题:

The snmpinfo command can be sued to obtain information about the current state of a running  cluster. Which of the following will provide an administrator with a complete list of information from the cluster MIB?()  

  • A、 snmpinfo -m get -o /usr/es/sbin/cluster/hacmp.defs -v cluster
  • B、 snmpinfo -m dump -o /usr/es/sbin/cluster/hacmp.defs -v cluster
  • C、 snmpinfo -m get -o /usr/es/sbin/cluser/hacmp.defs -v clusterState.0
  • D、 snmpinfo -m dump -o /usr/es/sbin/cluster/hacmp.defs -v clusterState.0

正确答案:B

第10题:

A step in the HACMP test plan is to gracefully stop the cluster on a node and to verify that the Shared resources fallover to the standby node. To prepare for this testing step, both nodes in the two-node cluster are in a stable state with the single resource group active on Node ’A’.  Which of the following is the best way to execute this portion of the test plan?()  

  • A、 Execute "lssrc -g cluster stop" on Node ’A’
  • B、 Execute "cat /etc//motd >/dev/kmem" on Node ’A’
  • C、 Execute "/usr/es/sbin/cluster/utilities/sclstop -gr" on Node ’A’
  • D、 Find the pid of cluster manager daemon on Node ’A’ and issue a "kill-9" against the pid

正确答案:C

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