[rhelv6-list] You suggestion for 'big' filesystem management Best Practice?

[Greg Swift]

On Fri, Oct 28, 2011 at 11:30, Masopust, Christian <
christian.masopust at siemens.com> wrote:

>
> > Götz Reinicke wrote:
> > > Hi,
> > >
> > > we plan to set up a big file storage for media files like
> > uncompressed
> > > movies from student film projects, dvd images etc.
> > >
> > > It should be some sort of archive and will not bee accessed
> > by more than
> > > may be 5 people at the same time.
> > >
> > > The iSCSI RAID we have is about 26TB netto and I'm again
> > faced with the
> > > question: How many partitions, which filesystem, which
> > mount options etc.
> > >
> > > For the User it would be the most simpel thing, to have one big
> > > filesystem she/he could fill with all the data and dont has
> > to search
> > > e.g. on multiple volumes.
> > >
> > > On the other hand, if one big filesystem crashes or has do
> > be checked it
> > > will destroy a lot of data or the check will take hours ...
> > >
> > >
> > > Any suggestions pro or cons are welcome! :-)
> > >
> > > My favourite for now is 3 to 4 filesystems with the default ext4
> > > settings. (Redhat EL 5.7, may be soon 6.1)
> > >
> > > Thanks and best regards. Götz
> >
> > If you decide to go with RHEL6, xfs is a good bet for making one big
> > filesystem.  We have a setup similar to what you're
> > describing and have
> > had very solid stability and performance using xfs (default
> > filesystem
> > and mount settings.)  As far as I can see (and knocking on
> > wood), xfs is
> > now a lot less flaky than it seemed to be in the past.
> >
> >   -Peter
>
> I can approve what Peter mentioned. I've been using xfs on my
> CentOS 5 system with 2 16TB arrays (each holding one single filesystem)
> for several years with absolutely no issues!
>
>
So in his intial request he mentioned concern about fsck times.  How has
this been for you guys (Christian and Peter) ?

fwiw, I'm actually mixing both xfs with 30+TB total file system and gluster
in a different use case...  I just haven't had to fsck a system yet so I am
very curious about how that is performing for others.

-greg
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