> On Mar 21, 2019, at 11:26 AM, Prentice Bisbal <pbis...@pppl.gov> wrote: > On 3/20/19 1:58 PM, Christopher Samuel wrote: >> On 3/20/19 4:20 AM, Frava wrote: >> >>> Hi Chris, thank you for the reply. >>> The team that manages that cluster is not very fond of upgrading SLURM, >>> which I understand. > > As a system admin who manages clusters myself, I don't understand this. Our > job is to provide and maintain resources for our users. Part of that > maintenance is to provide updates for security, performance, and > functionality (new features) reasons. HPC has always been a leading-edge kind > if field, so I feel this is even more important for HPC admins. > > Yes, there can be issues caused by updates, but those can be with proper > planning: Have a plan to do the actual upgrade, have a plan to test for > issues, and have a plan to revert to an earlier version if issues are > discovered. This is work, but it's really not all that much work, and this is > exactly the work we are being paid to do as cluster admins. > > From my own experience, I find *not* updating in a timely manner is actually > more problematic and more work than keep on top of updates. For example, > where I work now, we still haven't upgraded to CentOS 7, and as a result, > many basic libraries are older than what many of the open-source apps my > users need require. As a result, I don't just have to install application X, > I often have to install up-to-date versions of basic libraries like > libreadline, libcurses, zlib, etc. And then there are the security concerns... > > Okay, rant over. I'm sorry. It just bothers me when I hear fellow system > admins aren't "very fond" of things that I think are a core responsbility of > our jobs. I take a lot of pride on my job.
All of those things take time, depending on where you work (not necessarily
speaking about my current employer/employment situation), you may be ordered to
do something else with that time. If so, all bets are off. Planned updates
where sufficient testing time is not allotted moves the associated work from
planned work to unplanned emergency (something broken, etc.), and in some cases
from business hours to off hours, generate lots of support queries, etc.
I’ve never seen a paycheck signed by “Best Practices”.
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