Re: [ovirt-devel] [review][vdsm] please review https://gerrit.ovirt.org/#/q/topic:drivemonitor_event+status:open
On Mon, Sep 11, 2017 at 2:02 PM, Francesco Romani <fromani(a)redhat.com>
wrote:
Hi everyone,
https://gerrit.ovirt.org/#/q/topic:drivemonitor_event+status:open is
ready for review. It is the first part of the series needed
to consume the BLOCK_THRESHOLD event available with libvirt >= 3.2.0 and
QEMU >= 2.3.0.
Once completed, this patchset will allow Vdsm to avoid polling, thus
greatly improving the system performance and
eventually close https://bugzilla.redhat.com/show_bug.cgi?id=1181665
Please note that:
1. CI fails because the workers are not yet updated to CentOS 7.4 (not
yet released AFAIK!) which will provide libvirt >= 3.2.0.
You probably know that already, but just to be sure, please wait for
official CentOS 7.4 be out and that we'll verify OST works well with it
before merging, otherwise any patch that will be merged afterwards will
fail and CI won't work.
AFAIK, it should be out this week.
2. Few more simple patches will be needed to enable/disable monitoring
in specific flows where we cannot use events (e.g. LSM)
3. I did initial verification successfully, installing fedora 25 on thin
provisioned disk without issue.
--
Francesco Romani
Senior SW Eng., Virtualization R&D
Red Hat
IRC: fromani github: @fromanirh
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