[ovirt-users] VM has been paused due to NO STORAGE SPACE ERROR ?!?!?!?!

[Yaniv Kaul]

On Fri, Mar 16, 2018 at 1:25 PM, Enrico Becchetti <
enrico.becchetti at pg.infn.it> wrote:

>   Dear All,
> Does someone had seen that error ? When I run this command from my virtual
> machine:
>
> # time dd if=/dev/zero of=enrico.dd bs=4k count=10000000
>

I don't think it's a very interesting test case for IO performance, but in
any case, it may cause the VM to try to write faster than its thin
provisioned disk can be extended.
A simple workaround would be to change in VDSM the threshold of when it
gets extended and by how much.
For example:
[irs]
volume_utilization_percent = 15
volume_utilization_chunk_mb = 4048

Y.


> VM was paused due to kind a storage error/problem. Strange message
> because tell about "no storage space error" but ovirt puts virtual machine
> in
> a paused state.
>
> Inside events  from  ovirt web interface  I see this:
>
> "VM has been paused due to lack of storage space"
>
> but no ERROR found in /var/log/vdsm.log.
>
> My oVirt enviroment 4.2.1 has three hypervivosr with FC storage and before
> now
> I haven't see any other problem during the normal functioning of the vm ,
> it's seem
> that this error occurs only when there is massive I/O.
>
> Any ideas ?
> Thanks a lot.
> Best Regards
> Enrico
>
>
> --
> _______________________________________________________________________
>
> Enrico Becchetti                    Servizio di Calcolo e Reti
>
> Istituto Nazionale di Fisica Nucleare - Sezione di Perugia
> Via Pascoli,c/o Dipartimento di Fisica  06123 Perugia (ITALY)
> Phone:+39 075 5852777             Mail: Enrico.Becchetti<at>pg.infn.it
> ______________________________________________________________________
>
> _______________________________________________
> Users mailing list
> Users at ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ovirt.org/pipermail/users/attachments/20180318/ef31cce7/attachment.html>