[CentOS-virt] KVM

Zoltan Frombach
Mon, 08 Feb 2016 19:41:04 -0000

Are the disk partitions properly aligned to 4k boundary on the host (and
in the guests too) ?

See
http://www.ibm.com/developerworks/library/l-linux-on-4kb-sector-disks/index.html
and this:
http://unix.stackexchange.com/questions/247387/check-if-partitions-are-aligned-properly-for-performance

On 2/8/2016 8:12 PM, Gokan Atmaca wrote:
> Hello
>
> I use KVM. In a virtual machine "jbd2 dm-0" disk I / O is very
> increases. It consumes up to 99%. For this reason, slowing down the
> other virtual machine. What should I do to solve the problem. ?
>
> Thanks..