单项选择题
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.
相关考题
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单项选择题
Followingasuccessfulclusterfallover,clstatreturnsnostatus,thesnmpinfocommandhangs.AllClusterresourcesappeartobeactive.Whatshouldbedonetoresolvethisproblem?()
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. -
单项选择题
Aclusterindicatesthataremotesitehasfailed.WhatfacilitiesexistinHACMP/XD:HAGeotoensurethatthefailureisnotjustaTCP/IPcommunicationfailure?()
A. Electronic Service Agent software provides a redundant heartbeat between sites.
B. A non-IP network and Dial Back Fail Safe provide redundant heartbeats between sites.
C. The GeoMirror Devices provide a link validation facility that guarantees the validity between sites.
D. The Site Notification Daemon maintains a heartbeat between sites via short haul Modems/line drivers and dark fibre. -
单项选择题
Aclusteradministratorhasdefinedacustomerrornotificationmethodthatwillemailandadministratorwhenatemperrorisdetectedonanindividualhdisk.Whatmethodshouldbeusedtotestthisfunctionality?()
A. sendmail -bi
B. yes >/dev/kmem
C. emulate errlog entry
D. reducevg vgname hdisk#
