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

[Mark]

Have you been able to attribute it to anything?

On Friday 15 September 2006 15:09, Mache Creeger wrote:
> 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
> > > _______________________________________________
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> >
> >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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