[evla-sw-discuss] [vlbatests] VLA networking down July 9, 10:00am - 10:15am

[Claire Chandler]

Hi KScott,

We ran into a lot of trouble the last time we fiddled with the VLA switch, 
we lost a week's worth of observing as a result and were severely 
criticized by the director's office.  Please could we have relevant people 
review the process, do necessary tests ahead of time and following the OS 
upgrade, and make sure we have a mechanism for reverting to an old version 
if necessary?  What is the nature of the long-standing problem you are 
trying to fix?

Claire

On Tue, 1 Jul 2014, K. Scott Rowe wrote:

>
> The CIS division, a.k.a. helpdesk, would like to upgrade the OS on the
> main VLA switch on July 9th at 10am to fix a long-standing problem.
> This will mean that networking to and from the VLA and PT will be down
> for at least 5 but perhaps as many as 15 minutes starting at 10am on
> July 9th.
>
> Please let me know if this is not acceptable and we can re-schedule.
>
> --
> K. Scott Rowe -- Linux Group Lead
> Science Operations Center, National Radio Astronomy Observatory
> 1003 Lopezville Socorro, NM 87801
> krowe at nrao.edu -- 1.575.835.7193 -- www.nrao.edu
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