Re: [CentOS] disk on vm with kvm

El vie., 3 jul. 2020 a las 11:05, Alexander Dalloz () escribió: > > > I would guess that the scheduler "noop" isn't available, thus that > specific error message. > > On my physical Server CentOS 7 with latest kernel: > > # cat /sys/block/nvme0n1/queue/scheduler > [none] mq-deadline kyber > > The K

[CentOS] disk on vm with kvm

hi list, i am trying to change the input and output scheduler on my disks, and it does not allow me , I have several virtualized vm over kvm, and when I try to make the change it shows me this message: echo "noop" > /sys/block/vda/queue/scheduler -bash: echo: write error: Invalid argument kernel