On Tue, 2002-03-19 at 16:36, Ian D. Hardy wrote:
> > OK, this is something else, and I just had a brainwave about your old
> > oops though, I think you have a really fragmented file out there. Can
> > you run this on your filesystem:
> > xfs_db -r /dev/xxx (it can be mounted)
> > xfs_db: frag -f
> > and send me the output.
> > Someone reported a problem in the memory allocation code the other day,
> > and maybe, just maybe, you are hitting it.
> > Steve
> # xfs_db -r /dev/md0
> xfs_db: frag -f
> actual 994261, ideal 811677, fragmentation factor 18.36%
So now try this:
xfs_fsr -v /dev/md0
it will report the files it defragments, look for something
with a really large number of extents in the before column.
> Ian Hardy
> Research Services
> Computing Services email: idh@xxxxxxxxxxx
> Southampton University i.d.hardy@xxxxxxxxxxx
> Southampton S017 1BJ, UK.
Steve Lord voice: +1-651-683-3511
Principal Engineer, Filesystem Software email: lord@xxxxxxx