ApriOri Asked: 2013-12-24 02:56:41 +0800 CST2013-12-24 02:56:41 +0800 CST 2013-12-24 02:56:41 +0800 CST I/O priority per LVM volume (cgroups) 772 How can I prioritize LVM volumes I/O performance using cgroups? I know I can use ionice to make changes at the process level but I wish to be able to do this per LV and not per process. lvm 1 Answers Voted Best Answer c4f4t0r 2013-12-24T06:58:13+08:002013-12-24T06:58:13+08:00 Lvm volume is a normal block device, so you can configure various process priorities on lvm volume using cgroup, for more information read this doc https://www.kernel.org/doc/Documentation/cgroups/blkio-controller.txt example: lvdisplay -v /dev/vg00/rootvol | grep "Block device" echo "$MAJOR:$MINOR $((1024*250))" > /sys/fs/cgroup/blkio/blkio.throttle.write_bps_device
Lvm volume is a normal block device, so you can configure various process priorities on lvm volume using cgroup, for more information read this doc https://www.kernel.org/doc/Documentation/cgroups/blkio-controller.txt
example: