FYI. Thanks for the update, Marc!
--Ken. (Sent from iPhone) On 2013-07-18, at 1:13 PM, "Marc A. Pelletier" <[email protected]> wrote: > Some of you may have noticed some annoyance with the NFS filesystems > lately. While we seem to have successfully solved the problem that had > it crash completely every 14 days, there is a lingering issue with the > controller on the file server that causes intermittent stalls in the > disk IO. > > In practice, this should have no impact on your running tools (or > interactive session) except for disk access "freezing" for periods of > 2-3 minutes at irregular intervals. The amount of stalls seem to be > related to write traffic, but never gets much worse than 2-3 times per > hours (annoying though they be). > > In an attempt to solve the issue this afternoon, I tweaked some driver > settings on the file server but accidentally brought the filesystems > back up in the wrong order, making files appearing unavailable for a > brief period (12s) and necessitating a reboot of the Tool Labs cluster. > > Sadly, this was in vain since the underlying issue remains. It is not > yet clear if the issue is caused by the driver or a hardware problem, > but my efforts remain focused on solving the issue for good. > > In the meantime, I thank you for your patience as performance remains > impacted. > > -- Marc > > _______________________________________________ > Labs-l mailing list > [email protected] > https://lists.wikimedia.org/mailman/listinfo/labs-l _______________________________________________ Labs-l mailing list [email protected] https://lists.wikimedia.org/mailman/listinfo/labs-l
