From: Mark Tinguely <tinguely@sgi.com>
To: "Michel Verbraak(1st-Setup)" <info@1st-setup.nl>
Cc: xfs@oss.sgi.com
Subject: Re: xfs blocks (blocked for more than 120 seconds)
Date: Mon, 24 Mar 2014 08:27:34 -0500 [thread overview]
Message-ID: <533032C6.8090800@sgi.com> (raw)
In-Reply-To: <532FF9DD.5080700@1st-setup.nl>
On 03/24/14 04:24, Michel Verbraak(1st-Setup) wrote:
> Hi,
>
> We have a problem with one of our systems which is using XFS but we are
> unable to find the problem. Recently we had two moments, Tuesday 4th of
> March and Friday the 21st of March, where we had to reboot the system to
> get it up and running again.
>
> What happens:
> - The programs handling files on the XFS disc stop working when
> creating, deleting or writing files. They do not error they are just
> waiting on the command to complete.
> - One of our programs, a java application, goes into very high cpu usage
> (50%) which normally is at 1%. This could be something in our java
> application but it happens at the moment handling files gets stuck.
> - A nice restart of the programs does not succeed as wel a kill -9 does
> not work.
> - Trying to reboot the servers in a normal fashion does not work. As it
> is a virtual machine we have to do a shutdown (unplug power) and start
> it up again to get it up and running.
>
> Following details I have for you:
>
> System OS: Ubuntu 12.04 LTS
> Kernel: 3.2.0-37-generic #58-Ubuntu SMP Thu Jan 24 15:28:10 UTC 2013
> x86_64 x86_64 x86_64 GNU/Linux
> Server: Virtual machine in a VMWare setup.
> Disc: 300GB direct attached LUN
>
> We have an exact clone of this system for our acceptance environment. In
> this environment we are unable to reproduce this problem/situation.
>
> Differences between the two days is that our services on 2014-03-21 were
> quit busy with a lot of file changes on the xfs disc and on 2014-03-04
> the system was very quiet on the moment the kernel traces appear and the
> services get stuck.
>
> Any help is appreciated.
>
> Regards Michel Verbraak.
Could you set up kdump and take a core dump next time it hangs?
There is a couple suspicious items in the syslog entries
--Mark.
_______________________________________________
xfs mailing list
xfs@oss.sgi.com
http://oss.sgi.com/mailman/listinfo/xfs
next prev parent reply other threads:[~2014-03-24 13:27 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-24 9:24 xfs blocks (blocked for more than 120 seconds) Michel Verbraak(1st-Setup)
2014-03-24 13:27 ` Mark Tinguely [this message]
2014-03-24 13:40 ` Michel Verbraak(1st-Setup)
2014-03-24 16:12 ` Mark Tinguely
2014-03-24 17:36 ` Dave Chinner
2014-03-25 8:59 ` Michel Verbraak(1st-Setup)
2014-03-25 9:39 ` Michel Verbraak(1st-Setup)
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=533032C6.8090800@sgi.com \
--to=tinguely@sgi.com \
--cc=info@1st-setup.nl \
--cc=xfs@oss.sgi.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).