An administrator is using esxtop to troubleshoot a storage performance issue.
Which parameter should the administrator check to monitor any storage-related vSphere
overhead?
A.
DAVG
B.
KAVG
C.
GAVG
D.
CMDS
Explanation:
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http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1008205
KAVG/cmd This is the amount of time the command spends in the VMkernel
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Why B ?
here it says CMDS/s This is the total amount of commands per second and includes IOPS (Input/Output Operations Per Second) and other SCSI commands
http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1008205
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B is correct
storage-related vSphere overhead, Question is regarding vsphere Overhead. Hence measure KAVG which is the amount of time the command spends in the VMkernel
(if its storage performance, like IOPS, CMDS would be correct)
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B correct
DAVG — Device spent time
KAVG — vmKernal spent time
GAVG — Grand total spent time
GAVG = DAVG +KAVG
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