[ClusterLabs] PSA Ubuntu 16.04 and OCSF2 corruption

Dejan Muhamedagic dejanmm at fastmail.fm
Tue Apr 11 05:40:59 EDT 2017


On Mon, Apr 10, 2017 at 04:33:23PM -0400, Kyle O'Donnell wrote:
> Hello,
> Just opened what I think is a bug with the Ubuntu util-linux package:
> https://bugs.launchpad.net/ubuntu/+source/util-linux/+bug/1681410

I can vaguely recall a cron script on SUSE running fstrim only on
certain filesystem types. There's probably something similar on
Ubuntu. BTW, isn't that only for SSD?



> The 'fstrim' command is run weekly on all filesystems.  If you're using ocfs2 and the same filesystem is mounted on multiple Ubuntu 16.04 servers, this fstrim is run at the same time to the same device from all servers.  I'm positive this is what's causing my filesystem corruption issues, which occurs a minute or two after fstrim is scheduled to run.
> -Kyle
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