[mythtv-users] Most Reliable FS. XFS maybe causing crash

Mache Creeger mache at creeger.com
Fri Sep 15 21:09:58 UTC 2006


I have had similar problems in my fully patched up FC5 system.  This 
is especially true when I copy a large stream from a PC to the server 
via SAMBA.

-- Mache Creeger

At 12:25 PM 9/15/2006, Mark wrote:
>On Friday 15 September 2006 13:20, John Goerzen wrote:
> > On Fri, Sep 15, 2006 at 01:10:31PM -0600, Mark wrote:
> > > I have about 700G on a SW RAID with XFS.  I am seeing crashes and it may
> > > be due to XFS oopsing the kernel.
> >
> > I think you ought to probe that a bit more.  We are using XFS on dozens
> > of servers here, all of which should be seeing much more rigorous usage
> > than MythTV, and have never had such a problem.
> >
> > Things to consider:
> >
> > 1) This could actually be a symptom of a hardware problem
> >
> > 2) What kernel are you using?  If it isn't one from kernel.org, your
> >    distribution vendor may have patched XFS and broken it
> >
> > 3)
> >
> > > Question, is ext3 the MOST reliable ( but performant enough ) FS to go
> > > with? Reliability at this point is pretty critical so....
> > > I was using XFS on Jerods guide recommend but JFS may also be an option
> > > but I know little about it.
> >
> > We have had problems with JFS and reiser (all versions) relating to data
> > integrity after a crash.  XFS and ext3 are the only journal ones I'd
> > call reliable.  Note that XFS crash sematics are only as reliable as
> > ext3 after 2.6.17.
> >
> > -- John
> > _______________________________________________
> > mythtv-users mailing list
> > mythtv-users at mythtv.org
> > http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>I am using FC5 update kernel.  So you could be right.  I hav enot 
>been able to
>catch any syslog info on the issue, so hardware is very difficult to
>troubleshoot.  I have moved the raid around ( different bus etc.. ) changed
>the power supply but would like to get more info somehow.  I can crash the
>system by moving a mass stream of data off/on the server, so load or FS
>reading/writing etc..
>Ideas on how to proceed with more hardware troubleshooting?
>Have you found XFS more performant thatn ext3?
>Thanks.
>
>Mark
>
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