[Lustre-devel] [cdwg] broader Lustre testing

James A Simmons uja at ornl.gov
Fri Jul 20 07:13:42 PDT 2012

On Thu, 2012-07-12 at 15:37 -0400, Nathan Rutman wrote:
> On Jul 12, 2012, at 7:30 AM, John Carrier wrote:
> > A more strategic solution is to do more testing of a feature release
> > candidate _before_ it is released.  Even if a Community member has
> > no
> > interest in using a feature release in production, early testing
> > with
> > pre-release versions of feature releases will help identify
> > instabilities created by the new feature with their workloads and
> > hardware before the release is official. 

> So, it seems, we need to test pre-release versions of Lustre, aka
> Master, with my applications.  To that end, how willing are people to
> set aside a day, say once every two months, to be "filesystem beta
> day".  Scientists, run your codes, users, do your normal work, but
> bear in mind there may be filesystem instabilities on that day.  Make
> sure your data is backed up.  Make sure it's not in the middle of a
> critical week-long run.  Accept that you might have to re-run it
> tomorrow in the worst case.  Report any problems you have.
> What you get out of it is a much more stable Master, and an end to the
> question of "which version should I run".  When released, you have
> confidence that you can move up, get the great new features and
> performance, and it runs your applications.  More people are on the
> same release, so it sees even more testing. The maintenance branch is
> always the latest branch, you can pull in point releases with more bug
> fixes with ease. No more rolling your own Lustre with Frankenstein
> sets of patches.  Latest and greatest and most stable.
> Pipe dream?

Since people are now moving to help test out the current master branch
for whamcloud I like to purpose posting a general summary of testing
results people are seeing. I personally have finished a first run at
testing 2.2.91 this last week and would galdly share the results. Anyone
else can to share :-)

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