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Upgrading servers in the CI Lab

 

Greeting all,

I know this is short notice for the first server in the list but should
be adequate notice for the remaining servers. Even though it is somewhat
short notice the primary end user of the system has been aware for
several days as I have been coordinating the timing with him. During
this next week I will be upgrading wazn from Saucy to Trusty and
upgrading alderamin and albali from Precise to Trusty. Provided the
coordination with the remaining stakeholders is completed and there are
no issues on their part then aldebaran will also be upgraded from
Precise to Trusty. The schedule should look like this:

Monday, May 12th:  wazn
Tuesday, May 13th:  albali
Wednesday, May 14th: alderamin
Thursday, May 15th: aldebaran (tentative)

All upgrades will start at approximately 1900 UTC so most of any given
day's jobs should have already completed. The upgrade of each system
should not prevent any major jobs from running but will reduce the
number of nodes available for testing by one. The only exception will be
the upgrade of aldebaran as that will take all of the MaaS slave nodes
offilne as well as take the two python buildbots (for Barry) offline. I
may, if needed, look at relocating those VMs to the other hosts if it
will wind up causing undue hardships for any of the stakeholders involved.

Prior to any of the upgrades a complete system backup will be run on
each system. Once the upgrades are completed the stakeholders will be
notified to test their respective jobs.

~w