Company.com has a four-node cluster (nodes ’A’, ’B’, ’C’, an

题目
单选题
Company.com has a four-node cluster (nodes ’A’, ’B’, ’C’, and ’D’). The nodes are set up in  Resource group pairs. Node ’A’ falls over to Node ’B’, and Node ’C’ falls over to Node ’C’. During a maintenance windows, it was discovered that the six resource groups on Node ’A’ are too much to be adequately handled by Node ’B’.  What could be done to better utilize the available resources during fallover?()
A

 Implement Work Load manager so that the application monitors for additional resource      requirements.

B

 Add a fifth node to function as a load leveler in order to control the dispatching of the resource jobs.

C

 Implement Dynamic Node Priorities in the resource groups in order to find a node with suitable system resources.

D

 Reduce the number of resource groups on Node ’A’ to 1 in order to ensure faster and more robust fallover to a single system.

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相似问题和答案

第1题:

The en0 interface on Node1 of a two-node cluster has failed. This adapter is configured with a boot addressand under stable operations also has the service address of the cluster’s single resource group. The resourcegroup is configured with the fallback option. The HA network was configured for IPAT via aliasing and now theservice address is on the en1 interface in the cluster. The en0 interface has already been physically replacedand configured with the boot address. Which of the following will return the cluster to its original state andminimize cluster downtime?()

  • A、Run cluster synchronization.
  • B、Restart cluster services on Node1.
  • C、Perform a swap_adapter using C-SPOC
  • D、Restart cluster services on both nodes

正确答案:C

第2题:

Company.com has a three-node cluster (Node ’A’, Node ’B’, and Node ’C’) with three resource  Groups (rg1, rg2, and rg3). Node ’A’ has twice as many CPUs and twice as much memory as the two test add development Nodes ’B’ and ’C’. During normal production processing, all resource groups are active on Node ’A’.  What is most efficient way to configure the cluster to manage the workload?()   

  • A、 Use thee cascading resource groups where ’rg1’ and ’rg2’ fallover to Node ’B’ and ’rg3’ falls over to Node ’C’
  • B、 Use Dynamic Node Priority resource groups with a priority chain consisting of Node ’A’ then Node ’B’ then Node ’C’
  • C、 Use three rotating resource groups with ’rg1’ and ’rg2’ falling over to node ’B’ and ’rg3’ falling over to Node ’C’
  • D、 Upgrade Nodes ’B’ and ’C’ to be equal to Node ’A in CPU and memory resources to enable the cluster to synchronize three resource groups

正确答案:A

第3题:

A new HACMP maintenance level has recently been released. An administrator is creating a  project plan that is required for applying the updates for a three-node production cluster.  To minimize downtime,what is the best way to accomplish the updates on all cluster nodes?()  

  • A、 Perform a graceful takeover one node at a time and apply the updates.
  • B、 Perform the updates on all nodes simultaneously using C-SPOC utilities.
  • C、 Perform the updates on node at a time with the cluster software active.
  • D、 Perform a graceful stop of all cluster nodes and apply updates to all nodes.

正确答案:A

第4题:

The user base of a three-node cluster has increased. In order to add clustered users to all nodes, which of the following steps should be performed?()  

  • A、 On one of the nodes,add the users via C-SPOC ’Add a User to the Cluster’smit menu.
  • B、 Use C-SPOC to synchronize the password files between cluster nodes.
  • C、 On all of the nodes,add the users to the /etc/passwd and system security files,and then synchronize the cluster.
  • D、 On one of the nodes,add the users to the /tec/passwd and system security files,add home directories,and use cron to automate the movement of system security files between nodes.

正确答案:A

第5题:

Company.com recently updated the programs used in an HACMP pre-event. The procedure Involved coping the new code over the old code in the appropriate directory on one of the nodes as indicated by the HACMP event entry. The cluster was synchronized. During a fallover test, the backup system did not behave as expected.  What is the most likely problem?()  

  • A、 The new pre-event program was node locked to a hostname
  • B、 The new pre-event program was not made executable on al nodes.
  • C、 The new pre-event program was not compatible with the backup machine.
  • D、 The new pre-event program was not propagated to all the nodes in the cluster.

正确答案:D

第6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7题:

Company.com complains that an outage is required when adding a new filesystem to cluster. The  System management function of HACMP (C-SPOC) functions in which manner when adding filesystems to a cluster?()  

  • A、 Adds to all nodes with the cluster running.
  • B、 Adds to all nodes with the cluster stopped.
  • C、 Adds with the cluster running,uses "Lazy Update" to perform the logical volume synchronization.
  • D、 Adds to all nodes with the cluster running but requires the volume groups to be exported andimported after.

正确答案:A

第8题:

Company.com has a cluster with nodes that support "hot swap" adapters. During an upgrade of  The network infrastructure,an additional network adapter has been added to the nodes and configured in AIX.  What is the next step required to add this adapter to HACMP?()  

  • A、 Stop the node.
  • B、 Stop the cluster.
  • C、 Run autodiscovery.
  • D、 Configure the IP adapter.

正确答案:C

第9题:

Company.com has a four-node cluster (nodes ’A’, ’B’, ’C’, and ’D’). The nodes are set up in  Resource group pairs. Node ’A’ falls over to Node ’B’, and Node ’C’ falls over to Node ’C’. During a maintenance windows, it was discovered that the six resource groups on Node ’A’ are too much to be adequately handled by Node ’B’.  What could be done to better utilize the available resources during fallover?()  

  • A、 Implement Work Load manager so that the application monitors for additional resource      requirements.
  • B、 Add a fifth node to function as a load leveler in order to control the dispatching of the resource jobs.
  • C、 Implement Dynamic Node Priorities in the resource groups in order to find a node with suitable system resources.
  • D、 Reduce the number of resource groups on Node ’A’ to 1 in order to ensure faster and more robust fallover to a single system.

正确答案:C

第10题:

Company.com performs cluster verification every Sunday night with a corn job. The systems administrator reviews the /var/hacmp/clverify/clverify.log on Monday morning and notice that cluster verification posted a message about inconsistent filesystem names in one of the shared volume groups.  What should the administrator do?()  

  • A、 Cause a fallover to occur on the resource group.
  • B、 Export the volume groups and re-import them on all nodes.
  • C、 Run an importvg -L command on all the nodes in the cluster.
  • D、 Investiage recent changes to the shared volume group and use C-SPOC to correct inconsistencies.

正确答案:D

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