On Thu, Feb 2, 2017 at 1:11 AM, Gianluca Cecchi
<gianluca.cecchi@gmail.com> wrote:
> On Wed, Feb 1, 2017 at 8:22 PM, Gianluca Cecchi <gianluca.cecchi@gmail.com>
> wrote:
>>
>>
>> OK. In the mean time I have applied your suggested config and restarted
>> the 2 nodes.
>> Let we test and see if I find any problems running also some I/O tests.
>> Thanks in the mean time,
>> Gianluca
>
>
>
> Quick test without much success
>
> Inside the guest I run this loop
> while true
> do
> time dd if=/dev/zero bs=1024k count=1024 of=/home/g.cecchi/testfile
> sleep 5
> done
I don't think this test is related to the issues you reported earlier.
> After about 7 rounds I get this in messages of the host where the VM is
> running:
>
> Feb 1 23:31:39 ovmsrv06 kernel: dd: sending ioctl 80306d02 to a partition!
> Feb 1 23:31:39 ovmsrv06 kernel: dd: sending ioctl 80306d02 to a partition!
> Feb 1 23:31:44 ovmsrv06 kernel: dd: sending ioctl 80306d02 to a partition!
> Feb 1 23:31:45 ovmsrv06 kernel: dd: sending ioctl 80306d02 to a partition!
> Feb 1 23:31:45 ovmsrv06 kernel: dd: sending ioctl 80306d02 to a partition!
> Feb 1 23:31:47 ovmsrv06 kernel: dd: sending ioctl 80306d02 to a partition!
> Feb 1 23:31:50 ovmsrv06 kernel: dd: sending ioctl 80306d02 to a partition!
> Feb 1 23:31:50 ovmsrv06 kernel: dd: sending ioctl 80306d02 to a partition!
> Feb 1 23:31:56 ovmsrv06 kernel: dd: sending ioctl 80306d02 to a partition!
> Feb 1 23:31:57 ovmsrv06 kernel: dd: sending ioctl 80306d02 to a partition!
This is interesting, we have seen this messages before, but could never
detect the flow causing them, are you sure you see this each time you extend
your disk?
If you can reproduce this, please file a bug.