Re: [CentOS] setting the device queue_depth

2014-05-19 Thread John R Pierce
On 5/19/2014 12:00 AM, axel.we...@cbc.de wrote: > Centos: CentOS release 6.3 (Final) > Storage: DDN 9900 > Qlogic: 2560 (using distri firmware) have you tried 6.5 with latest yum update patches? If it does the same thing, then its quite likely Red Hat you need to file the report with, as Centos

[CentOS] setting the device queue_depth

2014-05-19 Thread axel.weber
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 th