[Ci-users] Infra : scheduled hardware maintenance (Openshift/NFS)

Wed Sep 30 13:02:04 UTC 2020
Vipul Siddharth <vipul at redhat.com>

On Wed, Sep 30, 2020 at 1:50 AM Fabian Arrotin <arrfab at centos.org> wrote:
>
> On 17/09/2020 16:30, Fabian Arrotin wrote:
> > Due to a hardware maintenance that needs to take place on the NFS
> > storage node used by openshift ("legacy" and current one - ocp ), we'll
> > have to shutdown the openshift cluster, and then proceed with hardware
> > maintenance on the NFS server (that itself needs to be powered down, no
> > way to actually do that "online")
> >
> > Migration is scheduled for """"Wednesday September 30th, 12:00 pm UTC
> > time"""".
> > You can convert to local time with $(date -d '2020-09-30 12:00 UTC')
> >
> > The expected "downtime" is estimated to ~60 minutes , time needed to
> > shutdown the machine, install new disks, restart the machine and also do
> > some updates and tuning on the setup.

Due to some issues with legacy cluster volume, this is taking longer
than expected.
We are working on it.
Apologies for the inconveniences.

> >
> > For more informations about this, here are some relevant tickets that
> > were created for the perf issue in openshift and nfs :
> >
> > https://pagure.io/centos-infra/issue/53
> > https://pagure.io/centos-infra/issue/105
> > https://pagure.io/centos-infra/issue/85
> > https://pagure.io/centos-infra/issue/26
> >
> > <subliminal message>
> > PS : worth noting that while we'll investigate reports on new ocp
> > cluster, we'll probably  not spend time investigating in the old/legacy
> > one, that projects are supposed to migrate away from soon, as the legacy
> > openshift setup will disappear soon (see
> > https://pagure.io/centos-infra/issue/16)
> > </subliminal message>
> >
>
>
> Reminder !  :-)
>
> Also, due to the needed time to also properly/cleanly power down all
> nodes, we decided to start at 11:00 am UTC, to be ready when on-site
> engineer will start un-racking storage server for hardware maintenance
> and put it back online after (we have a fixed appointment for when to do it)
>
> I'd like to remind all projects still on the old openshift cluster that
> despite our calls to have projects migrated, only a very few did.
> So we'll have discussion (centos ci infra team) about how to deal with
> this but at first sight, we'll just announce a date/deadline for
> decommissioning the old infra
>
> --
> Fabian Arrotin
> The CentOS Project | https://www.centos.org
> gpg key: 17F3B7A1 | twitter: @arrfab
>
> _______________________________________________
> CI-users mailing list
> CI-users at centos.org
> https://lists.centos.org/mailman/listinfo/ci-users



-- 
Vipul Siddharth
He/His/Him
Fedora | CentOS CI Infrastructure Team