Chris Friesen wrote:
We recently moved from 2.6.10 to 2.6.14 and now we're seeing occasional
QUEUE_FULL/SAM_STAT_TASK_SET_FULL errors being returned to userspace.
These didn't ever show up in 2.6.10.
I found something that might be interesting.
With the the 3.01.18 fusion driver the queue length (as shown by
"/sys/class/scsi_generic/sgX/device/queue_depth") was set to 7, while
with the 3.02.57 fusion driver it was set to either 64 or 32.
It may be coincidence, but it's interesting that
MPT_SCSI_CMD_PER_DEV_LOW is set to 7 in the earlier driver, and 32 in
the later one, while MPT_SCSI_CMD_PER_DEV_HIGH went from 31 to 64.
Chris
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