[linux-lvm] mapping blocks to PVs?
Andreas Dilger
adilger at turbolabs.com
Mon Feb 25 10:00:02 UTC 2002
On Feb 24, 2002 17:58 -0500, Andres Salomon wrote:
> Ok, assuming the block/sector stuff is correct:
>
> --- Physical extents ---
> PE LV LE Disk sector
> 00000 /dev/site/lvol1 00000 33144
> 00001 /dev/site/lvol1 00001 65912
>
> badblocks(2) is not picking up those blocks as being bad; this means I
> need to manually remove the first LE from this LV. I assume I can
> do something similar to `pvmove -n /dev/site/lvol1:0 /dev/hdf1 /dev/hdb1`
> (hdf1 is the one causing problems, but I can't simply remove the PV from the
> VG w/out deleting lots of stuff). However, how do I lvreduce from the
> beginning of the LV? Is that possible?
Actually, judging by the error, I think that this error is in the layout
of the journal itself instead of a disk error. If it was a disk error
you would also be getting IDE errors, and badblocks would detect it.
The "bad block at offset" message happens when it is doing a bmap on the
journal, and hasn't even started the read.
I would suggest just removing the journal (tune2fs -O^has_journal <LV>) and
then re-creating it (tune2fs -j <LV>) and the problem should go away.
Cheers, Andreas
> On Sun, Feb 24, 2002 at 12:01:43AM -0700, Andreas Dilger wrote:
> > On Feb 23, 2002 16:45 -0500, Andres Salomon wrote:
> > > I've got a LV that keeps corrupting, made up of several IDE disks. I've
> > > already discovered one of the drives to be flaking out, after various
> > > read tests on the device gave BadCRC/IRQ timeout errors. Read tests on
> > > the other drives succeeded; however, I'm still getting stuff like:
> > >
> > > journal_bmap: journal block not found at offset 7180 on lvm(58,0)
> > >
> > > and
> > >
> > > /dev/site/lvol1: recovering journal
> > > JFS: bad block at offset 7182
--
Andreas Dilger
http://sourceforge.net/projects/ext2resize/
http://www-mddsp.enel.ucalgary.ca/People/adilger/
More information about the linux-lvm
mailing list