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mark_chuman
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Hot Shot

HBA Que Depth / ESX Top Question

Any help would be appreciated, but I am trying to understand a few details that don't match up for me:

In ESXTOP when I go to storage (d), then "E" and enter the adapter I would like to view my "LQLEN" is listed as 16.

But my QUEUE depth set at the adapter is "2".

ssh $server less /proc/scsi/qla2300/1 | grep "Device queue depth" | cut -d" " -f9 | cut -d"x" -f2

ssh $server less /proc/scsi/qla2300/2 | grep "Device queue depth" | cut -d" " -f9 | cut -d"x" -f2

The value of Disk.SchedNumReqOutstanding is "64". I do understand that the Queue depth set at the adapter overrides the Disk.SchedNumReqOutstanding value, but I do not understand why the value in ESXTOP is different from the actual queue depth at the adapter level.

Thanks.

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