Hi,
Due to limitations of our Storage we need to set the device queue_depth to 4.
I did this with a script that basically does this: echo 4 > /sys/block/sdft/device/queue_depth.
But after a few minutes it starts to grow until it reaches 32 again. What could cause that behavior?
Furthermore the system doesn' t load my qlogic options. I have set them to:
cat /etc/modprobe.d/qlogic.conf
alias scsi_hostadapter1 qla2xxx
options qla2xxx ql2xmaxqdepth=4
But the max queue depth is
cat /sys/module/qla2xxx/parameters/ql2xmaxqdepth
32
Any help would be appreciated.
Centos: CentOS release 6.3 (Final)
Storage: DDN 9900
Qlogic: 2560 (using distri firmware)
Cheers
Axel
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