On Fri, Feb 10, 2017 at 12:46 PM, Andrea Fagiani <
andrea.fagiani(a)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
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