[lustre-discuss] "Text file busy" error

[E.S. Rosenberg]

Hot from our test bench - kernel 4.5.0 still reports itself to be lustre
2.3.64 and still suffers this issue...

On Wed, Apr 20, 2016 at 5:19 PM, Dilger, Andreas <andreas.dilger at intel.com>
wrote:

> The version of Lustre in the upstream kernel for _features_ is pre-2.4,
> but it has a large number of bug fixes since then.  That means it can
> connect to most normal Lustre servers, but does not have HSM or DNE or any
> of the major features added in 2.4 and later.
>
> That is a restriction placed upon us in the kernel staging area until that
> code is cleaned up sufficiently to be moved into the main tree.
>
> The master and 2.8 clients work up to at least kernel 4.2 and possibly
> later, and are of course up-to-date feature wise.
>
> Cheers, Andreas
>
> On Apr 20, 2016, at 04:29, E.S. Rosenberg <esr+lustre at mail.hebrew.edu
> <mailto:esr+lustre at mail.hebrew.edu>> wrote:
>
> So what version of lustre is built in to kernel 4.5? We are switching
> distro soon at the very least to kernel 4.16 + userspace 2.7 and now would
> definitely be the best time to still decide to use a newer kernel.....
>
> On Mon, Apr 18, 2016 at 10:28 PM, E.S. Rosenberg <
> esr+lustre at mail.hebrew.edu<mailto:esr+lustre at mail.hebrew.edu>> wrote:
> The servers are lustre 2.5.3 on CentOS 6.5 from the official RPMs
>
> The problem was tested on 2 clients, all running Debian with a kernel we
> built.
> - kernel 3.17.8, according to /proc/fs/lustre/version - 2.3.64, the
> userspace programs (mount etc) are 2.5.3
> - kernel 4.1.6, /proc/fs/lustre/version - 2.3.64, userspace programs 2.7.52
>
> Wow, that's really a mess when you try to use mainline kernel.....
>
> BTW according to LU-6232 it was not solved.
>
> Thanks,
> Eli
>
> On Mon, Apr 18, 2016 at 10:12 PM, Dilger, Andreas <
> andreas.dilger at intel.com<mailto:andreas.dilger at intel.com>> wrote:
> What version of Lustre are you running?  I thought we fixed that problem?
>
> Cheers, Andreas
>
> > On Apr 18, 2016, at 12:28, E.S. Rosenberg <esr+lustre at mail.hebrew.edu
> <mailto:esr%2Blustre at mail.hebrew.edu>> wrote:
> >
> > Hi all,
> > Several of our users ran into the "Text file busy" error described in
> LU-6232 (and possibly related to LU-4398 and LU-4429).
> >
> > Has there been any progress on this issue?
> >
> > I feel pretty dumb when I have to explain this issue to them and how to
> work around it....
> >
> > Thanks,
> > Eli
> >
> > Background for those who don't like reading bug reports:
> > When creating a script if it gets run subsequently it becomes impossible
> to edit said script after it's been run even though it is not actively
> running anymore.
> >
> > Workarounds I have seen so far:
> > - Use an editor that moves the current file to a backup like emacs
> (bypasses the issue since you are in practice working on a different file)
> > - chmod -x the file before editing (reverts to being editable)
> > - run the file using sh /path/to/file instead of /path/to/file (then it
> stays editable)
> > _______________________________________________
> > lustre-discuss mailing list
> > lustre-discuss at lists.lustre.org<mailto:lustre-discuss at lists.lustre.org>
> > http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org
>
>
>
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