单项选择题
A cluster indicates that a remote site has failed. What facilities exist in HACMP/XD：HAGeo to ensure that the failure is not just a TCP/IP communication failure？（）
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.
相关考题
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单项选择题
Aclusteradministratorhasdefinedacustomerrornotificationmethodthatwillemailandadministratorwhenatemperrorisdetectedonanindividualhdisk.Whatmethodshouldbeusedtotestthisfunctionality？（）
A. sendmail -bi
B. yes >/dev/kmem
C. emulate errlog entry
D. reducevg vgname hdisk# -
单项选择题
AclusterusingIPATviaIPaliasinghasfouradapters.NormallythereareseveralresourcegroupsthathaveatotaloffourserviceIPlabels.Whentwooftheadaptersfail，whathappens？（）
A. The resource group containing the IP labels changes to an "offline" state.
B. The IP service labels of the failed adapters relocate the surviving adapters.
C. Nothing because the resource groups wait for the adapters to become active again.
D. The resource groups containing the IP labels of the failed adapters migrate to a backup node. -
单项选择题
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.
