On Mon, Sep 17, 2018 at 2:15 PM J. Bruce Fields <bfields@xxxxxxxxxxxx> wrote: > Sounds like a bug to me, but I'm not sure where. What filesystem are > you exporting? How much time do you think passes between steps 1 and 4? > (I *think* it's possible you could hit a bug caused by low ctime > granularity if you could get from step 1 to step 4 in less than a > millisecond.) For CentOS, I am exporting xfs. In Ubuntu, I think I was using ext4. Steps 1 through 4 are all done by hand, so I don't think we're hitting a millisecond issue. Just for good measure, I've done experiments where I waited a few minutes between steps 1 and 4. > Those kernel versions--are those the client (node A and B) versions, or > the server versions? The client and server kernel versions are the same across the board. I didn't mix and match kernels. > > Note that with an Isilon NFS server, instead of seeing stale content, > > I see "Stale file handle" errors indefinitely unless I perform one of > > the corrective steps. > > You see "stale file handle" errors from the "cat test1.txt"? That's > also weird. Yes, this is the problem I'm actually more concerned about, which led to this investigation in the first place.
