Re: xfs_check problems on 3.6TB fs

[Frank Hellmann <frank@xxxxxxxxxxxxx>]

Hi Michal!

That would support my theory that there is a wrap-around bug somewhere 
in xfs_check. It is not in xfs_repair. so I'll give it a try and have a 
look.
                Cheers,
                        Frank...

Michal Szymanski wrote:
> On Wed, Oct 27, 2004 at 11:00:00AM +0200, Michal Szymanski wrote:
>
> > To resume, could someone tell me whether I can safely put my data on a
> > 3.6TB XFS filesystem or not? The machine it is currently attached to
> > has 4GB RAM + 2GB Swap. If this is not enough for XFS to do a
> > check/repair, I would say it is not a solution for me.
> >
> > PS. I've just found, on http://oss.sgi.com/projects/xfs/irix-linux.html
> >
> >
> > > Linux XFS filesystems are limited to 2 Terabytes in size due to
> > > limitations in the Linux block device I/O layers.
> > Is it just an out-of-date page? Or, maybe, it is just the true reason of
> > our problems?
>
> PS2. I have made a following test: I stopped the software RAID and
> created two separate XFS systems on both "slices", seen by the system as
> /dev/sda1 and /dev/sdb1. One is just below 2TB, the other is 1.6TB.
> xfs_check works silently on such a (clean) filesystem. So maybe it is
> really the 2TB limit that makes the diffrence?
>
> Michal.
--
--------------------------------------------------------------------------
Frank Hellmann          Optical Art GmbH           Waterloohain 7a
DI Supervisor           http://www.opticalart.de   22769 Hamburg
frank@xxxxxxxxxxxxx     Tel: ++49 40 5111051       Fax: ++49 40 43169199