[ovirt-users] high number of IOPS from ovirt hosts

[Simone Tiraboschi]

On Fri, Feb 10, 2017 at 12:46 PM, Andrea Fagiani <
andrea.fagiani at immobiliare.it> wrote:

> Hi,
>
> We've got a 8-host cluster running oVirt 4.1; each host is connected via
> iscsi to a EQL 4100 storage (2x).
> Most of the VMs use barely any IOPS, however on our storage controller
> we've noticed a constant steam of reads, about 2000 IOPS; any idea what
> might cause the ovirt hosts to hammer on the storage so much?
>
> Looking at iotop, it seems that systemd-udevd is being activated every few
> seconds (and its IO% is usually fairly high) so I assume this might be
> somehow related.
>

mmmh this could be an hint: how many LUNs are you exposing on the iSCSI
portal used for the hosted-engine LUN?


>
> Thanks,
> Andrea
> _______________________________________________
> 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/20170212/ba12e768/attachment.html>