[nova] iothread support with Libvirt

Damian Pietras damian.pietras at hardit.pl
Thu Jan 13 09:19:39 UTC 2022

On 12.01.2022 22:10, Eric K. Miller wrote:
> It appears that "deadline" is the only scheduler available in later kernel versions (at least in Ubuntu).
> Damian - do you recall what the scheduler was set to prior to changing it to the noop scheduler?

The default in my case (Debian 9) is:

root at diskbench:~# cat /sys/block/sda/queue/scheduler
noop deadline [cfq]

And the disk is detected by the kernel as "rotational":

root at diskbench:~# cat /sys/block/sda/queue/rotational

Damian Pietras

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