[evla-sw-discuss] upgrade of EVLA Linux machines

[James Robnett]

   In addition to the work listed below we need to upgrade the
Lustre servers.  Evla-oss-1 (disk array server for lustre) has
a failing OS disk.  It and evla-mds (metadata server for lustre)
are running an old version of Redhat and Lustre.

   Both servers will get new OS disks so they can be reverted
via disk swap in the event of problems.

James

K. Scott Rowe wrote:
> I would like to upgrade the version of Linux on the EVLA machines
> (cbe*, mc*, cpcc*, widar-boot*,lando, r2d2, eva, evan, wyemon) from
> rhel5.6 to rhel5.7.  This upgrade has already been done on most of the
> machines at the AOC.  I would like to do this upgrade the first day of
> the double maintenance day period (Jan. 3).
> 
> During this time I would also like to replace the main Linux servers,
> amos and andy.  Doing so will require a reboot of the Linux machines I
> mentioned above.
> 
> I would like to start this process at 10am and hopefully be finished by
> 3pm.  I could start earlier, say just after 8am, if that is desirable.
> 
> Let me know if you have any problems with this plan.  If I hear none I 
> will assume the plan is good and begin work at 10am on Jan. 3.
> 
> thanx
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