单选题An administrator has a 2 node cluster running PowerHA version 5.5. They remove a resource group from theactive cluster configuration. When performing a verify and synchronize of the cluster, the administrator getsthe following error: "migcheck[471]: cl_connect() error, nodename=Node1, rc=-1 cldare: A communication error prevents obtaining the VRMF from remote nodes. A DARE event cannot be run until this is corrected. Please ensureclcomd is running." What is the most likely cause of this error?()AThere is a DARE lock in placeBA PowerHA migration is in progressCCluster services is not active on the other nodeDThe other cluster node is running a different version of RSCT

单选题
An administrator has a 2 node cluster running PowerHA version 5.5. They remove a resource group from theactive cluster configuration. When performing a verify and synchronize of the cluster, the administrator getsthe following error: "migcheck[471]: cl_connect() error, nodename=Node1, rc=-1 cldare: A communication error prevents obtaining the VRMF from remote nodes. A DARE event cannot be run until this is corrected. Please ensureclcomd is running." What is the most likely cause of this error?()
A

There is a DARE lock in place

B

A PowerHA migration is in progress

C

Cluster services is not active on the other node

D

The other cluster node is running a different version of RSCT


参考解析

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A customer wants to migrate their existing cluster onto new POWER6 hardware, and in addition requires thecluster to be migrated from PowerHA version 5.3 to 5.5. Given that AIX 6.1 and PowerHA 5.5 filesets arealready installed in the new hardware, which of the following methods would allow the customer to maintaintheir current cluster configuration?()A、Add the new nodes to the existing cluster, and perform a rolling migration and remove the original nodesfrom the clusterB、Add the new nodes to the existing cluster, and perform a non-disruptive upgrade and remove the originalnodes from the cluster.C、Create a snapshot of the existing cluster and apply the snapshot to the new cluster. Start cluster serviceson the new cluster and stop the original clusterD、Create a snapshot of the existing cluster and apply the snapshot to the new cluster. Stop cluster serviceson the original cluster and start on the new cluster

An administrator has a 2 node cluster running PowerHA version 5.5. They remove a resource group from theactive cluster configuration. When performing a verify and synchronize of the cluster, the administrator getsthe following error: "migcheck[471]: cl_connect() error, nodename=Node1, rc=-1 cldare: A communication error prevents obtaining the VRMF from remote nodes. A DARE event cannot be run until this is corrected. Please ensureclcomd is running." What is the most likely cause of this error?()A、There is a DARE lock in placeB、A PowerHA migration is in progressC、Cluster services is not active on the other nodeD、The other cluster node is running a different version of RSCT

A new administrator is performing fallover testing on a two-node cluster and is concerned that the cascading resource group belonging to Node ’A’ did not reintegrate properly after the cluster was restarted on Node ’A’. A stable cluster is reported by clstat,and clRGinfo reports the resource group online on Node ’B’.  What type of configuration would cause this type of behavior?()  A、 The resource group DNP has been configured.B、 The resource group option CWOF has been enabled.C、 The resource group option Inactive Takeover is set.D、 A resource group fallback timer has been configured.

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 stateB、After each node is upgraded, run a verification and synchronizationC、After all nodes are upgraded, run a verification and synchronizationD、Take a snapshot of each node and verify the configuration is the same

An administrator has made several topology and resource group changes on one node in a running cluster.During verification and synchronization, using the "Emulate" option, many errors are reported. Theadministrator decided the best course of action was to roll back the changes. Prior to the changes beingmade, a cluster snapshot was taken. Which of the following actions will roll back the changes with the least disruption?()A、Perform a synchronization from a node without the changes.B、Apply the cluster snapshot on both nodes while the cluster is running.C、"Restore HACMP Configuration Database from Active Configuration" on the node where the changes weremadeD、Stop the cluster using the option "Unmanage Resource Groups" and apply the cluster snapshot on thenode where the changes were made

An administrator has integrated a new application into an existing resource group. An application server withstart and stop scripts was defined and added to the resource group definition. The cluster was thensynchronized. How can the new application be started with minimal downtime?()A、The administrator will need to perform an rg_move operationB、The administrator will need to un-manage and re-manage the resource groupC、The administrator will need to execute the new start script from the command lineD、The new start script will be executed as part of the DARE operation to synchronize the cluster

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An administrator wishes to implement highly availble NFS exports within a PowerHA 5.3 cluster. How will theadministrator specify that these should be exported as NFS version 4?()A、Add the exports to the /etc/exports file specifying NFS version 4 as an export optionB、Install cluster.es.nfs fileset and add the exports to the resource group configurationC、Add the exports to the /usr/es/sbin/cluster/etc/exports file and specify NFS version 4 as an export optionD、Upgrade the cluster to PowerHA 5.4.1, install the cluster.es.nfs fileset and add the exports to the resourcegroup configuration

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单选题An administrator has made several topology and resource group changes on one node in a running cluster.During verification and synchronization, using the "Emulate" option, many errors are reported. Theadministrator decided the best course of action was to roll back the changes. Prior to the changes beingmade, a cluster snapshot was taken. Which of the following actions will roll back the changes with the least disruption?()APerform a synchronization from a node without the changes.BApply the cluster snapshot on both nodes while the cluster is running.CRestore HACMP Configuration Database from Active Configuration on the node where the changes weremadeDStop the cluster using the option Unmanage Resource Groups and apply the cluster snapshot on thenode where the changes were made

单选题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?()AUse the clstat command and verify the cluster is in a stable stateBAfter each node is upgraded, run a verification and synchronizationCAfter all nodes are upgraded, run a verification and synchronizationDTake a snapshot of each node and verify the configuration is the same

单选题During a resource group takeover operation, the resource group was found to go into error state. A tail of thehacmp.out file released the following message: Aug 3 12:57:20 EVENT FAILED:// -1: event_error 1 TE_RG_MOVE -1 WARNING:// Cluster PowerHA has beenrunning recovery program ’/usr/es/sbin/cluster/events/rg_move.rp’ for 360 seconds. Please check clusterstatus. What command can the administrator issue to cause the cluster to continue processing?()AclruncmdBclrestartCclcontinueDclresactive

单选题Node ’C’ has just completed reintegration in a three-node cluster. The hacmp.out logifle displays  The event node_up_complete for Node ’C’. The cluster administrator wishes to verify that the cluster is stable.  In addition to reviewing the cluster log files,what utility should be run to verify the cluster state?()A clstatB clinfoC cldiagD clverify

单选题An administrator wishes to implement highly availble NFS exports within a PowerHA 5.3 cluster. How will theadministrator specify that these should be exported as NFS version 4?()AAdd the exports to the /etc/exports file specifying NFS version 4 as an export optionBInstall cluster.es.nfs fileset and add the exports to the resource group configurationCAdd the exports to the /usr/es/sbin/cluster/etc/exports file and specify NFS version 4 as an export optionDUpgrade the cluster to PowerHA 5.4.1, install the cluster.es.nfs fileset and add the exports to the resourcegroup configuration

单选题A new administrator is performing fallover testing on a two-node cluster and is concerned that the cascading resource group belonging to Node ’A’ did not reintegrate properly after the cluster was restarted on Node ’A’. A stable cluster is reported by clstat,and clRGinfo reports the resource group online on Node ’B’.  What type of configuration would cause this type of behavior?()A The resource group DNP has been configured.B The resource group option CWOF has been enabled.C The resource group option Inactive Takeover is set.D A resource group fallback timer has been configured.

单选题Company.com has a two-node HACMP cluster with a single cascading resource group. Node ’A’  is the normal production node, and Node ’B’ is the standby node. One of the first steps in the HACMP test plan is to start the cluster and to verify that al elements for the resource group have been acquired. The administrator who is conducting the HACMP test starts the HACMP daemons on Node ’B’ with the ’smitty clstart" command. The administrator notices that Node ’B’ acquires the elements of the resource group, including a service IP labels,a shared volume group, and an application server that has been started. The expectation was that Node ’B’ would enter the cluster in a standby status, rather than acquiring production resources.  What should the administrator do to correct this problem?()A Change the cluster to a rotating design.B Change the Cascading without Fallback flag to true.C Change the Inactive Takeover field to false in the cluster configuration.D Nothing should be done. This is the default behavior for cascading resource groups,and node ’A’ should have been started first.

单选题An administrator has integrated a new application into an existing resource group. An application server withstart and stop scripts was defined and added to the resource group definition. The cluster was thensynchronized. How can the new application be started with minimal downtime?()AThe administrator will need to perform an rg_move operationBThe administrator will need to un-manage and re-manage the resource groupCThe administrator will need to execute the new start script from the command lineDThe new start script will be executed as part of the DARE operation to synchronize the cluster

单选题A node in a three-node cluster was started, ad it acquired the following three cascading resourcegroups:  ’rg1’, ’rg12’, and ’rg3’. The cluster design is to have ’rg1’ normally Node ’A’, ’rg2’ normally on Node ’B’, and rg3’ normally on Node ’C’.  How can the administrator reposition the resource groups and correct the problem?()A Change the cluster resource group definitions from cascading to rotating,synchronize the cluster,and restart HACMPB Edit the /urs/es/sbin/utilities/clhosts file to reflect he desired node-to-resource group relationships and restart HACMPC Use the clRGMove utility move rg2 o Node ’B’ and rg3 to Node ’C’,then start the cluster manager on Nodes ’B’ and ’C’ with the clstart utilityD Disable Inactive Node Takeover,check the node priority list in the resource groups definitions,synchronize the cluster,and start HACMP on Nodes ’B’ and ’C’

单选题An administrator has a two node cluster, Node1 and Node2, running resource group rg1. The resource groupis active on Node1. The administrator stopped cluster services and unmanaged the resource group on Node1to work on a problem. Now the administrator needs to move rg1 to Node2. Which of the following will achievethis?()APerform a clstart on Node1 with ’Manage Resource Groups’ set to ’Manually’ and select the destination ofNode2BPerform a resource group move operation from Node1 to Node2 and select the option to ’Re-manageResource Groups’ set to ’Automatically’CPerform a clstop on Node1 with option to move resource groups, this will release the resource group fromNode1 and accquire the resource group on Node2.DPerform a clstart on Node1 with ’Manage Resource Groups’ set to ’Automatically’, then perform a resourcegroup move operation to move rg1 from Node1 to Node2

单选题A customer wants to migrate their existing cluster onto new POWER6 hardware, and in addition requires thecluster to be migrated from PowerHA version 5.3 to 5.5. Given that AIX 6.1 and PowerHA 5.5 filesets arealready installed in the new hardware, which of the following methods would allow the customer to maintaintheir current cluster configuration?()AAdd the new nodes to the existing cluster, and perform a rolling migration and remove the original nodesfrom the clusterBAdd the new nodes to the existing cluster, and perform a non-disruptive upgrade and remove the originalnodes from the cluster.CCreate a snapshot of the existing cluster and apply the snapshot to the new cluster. Start cluster serviceson the new cluster and stop the original clusterDCreate a snapshot of the existing cluster and apply the snapshot to the new cluster. Stop cluster serviceson the original cluster and start on the new cluster

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?()AUnmanage resource groups on all nodes, update the cluster filesets, start cluster services on all nodes,ensure cluster services stabilizeBUpdate the cluster filesets on all nodes. Run ’refresh -s clstrmgrES’ on one node, wait for the cluster tostabilize, repeat for all other nodesCUnmanage resource groups on one node, update the cluster filesets, start cluster services. Wait for thecluster to stabilize and repeat for all other nodes.DBring 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

单选题An administrator has a 2 node cluster running PowerHA version 5.5. They remove a resource group from theactive cluster configuration. When performing a verify and synchronize of the cluster, the administrator getsthe following error: "migcheck[471]: cl_connect() error, nodename=Node1, rc=-1 cldare: A communication error prevents obtaining the VRMF from remote nodes. A DARE event cannot be run until this is corrected. Please ensureclcomd is running." What is the most likely cause of this error?()AThere is a DARE lock in placeBA PowerHA migration is in progressCCluster services is not active on the other nodeDThe other cluster node is running a different version of RSCT

单选题A customer needs to test the failover capabilities of their cluster. Which of the following AIX commands, whenissued from the command line, will simulate a node crash and cause the cluster resource group running onthat server to fail over to another node?()AclstopBhalt -qCshutdown -FDstopsrc -s cluster