IDRC Infrastructure maintenance notification - March 31 / April 1 - 9AM
gtirloni at ocadu.ca
Tue Mar 31 17:11:49 EDT 2015
Since 12PM we had no server outages anymore after some critical
components were upgraded. The maintenance was only fully completed by
4PM when all the cluster controllers and remaining issues were fixed,
without impact to end users.
It looks like the maintenance window we had requested for tomorrow
(Wed) will not be needed anymore, unless we uncover any issues between
today and tomorrow. Please let us know in case you see anything wrong
with the websites and services listed below.
Thanks for your patience!
On Tue, 31 Mar 2015 10:41 -0400, Giovanni Tirloni <gtirloni at ocadu.ca>
> Maintenance is in progress.
> On Tue, 24 Mar 2015 10:48 +0000, "Tirloni, Giovanni" <gtirloni at ocadu.ca>
> > Hi all,
> > One of our vendors needs to upgrade equipment in the data centre next
> > week (Tue-Wed), starting at 9AM. This activity will result in downtime
> > for the following sites:
> > www.idrc.ocad.ca
> > timetrack.idrc.ocad.ca
> > metadata.floeproject.org
> > build.fluidproject.org
> > wiki.fluidproject.org
> > atutor.snow.idrc.ocad.ca
> > mobile-accessibility.idrc.ocad.ca
> > www.snow.idrc.ocad.ca
> > deep.idrc.ocad.ca
> > snowvids.idrc.ocad.ca
> > clinic.idrc.ocad.ca
> > Changes to the Nebula cluster hardware and software will mean each site
> > could be offline anywhere between 20 minutes to an hour. Services get
> > provisioned in the cluster on servers that have the most spare
> > resources available at any given time. As a result most of these sites
> > are spread over several machines in a somewhat random fashion.
> > The vendor in question has requested that we schedule 4 hours of
> > downtime each day. This is mainly to establish a buffer, actual
> > downtime is expected to be shorter than that.
> > Please let us know if you have any questions or concerns.
> > Regards,
> > Giovanni
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