From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andres Salomon Subject: Re: [linux-lvm] mapping blocks to PVs? Message-Id: <20020224225832.GA4123@mp3revolution.net> References: <20020223214540.GA12317@mp3revolution.net> <20020224000143.D12832@lynx.adilger.int> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20020224000143.D12832@lynx.adilger.int> Sender: linux-lvm-admin@sistina.com Errors-To: linux-lvm-admin@sistina.com Reply-To: linux-lvm@sistina.com List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: Date: Sun Feb 24 16:58:02 2002 List-Id: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-lvm@sistina.com 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? 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 > > > > How can I figure out which PV is holding block 7180 and 7182? > > I think "lvdisplay -v" or "pvdisplay -v" or similar will show the _sector_ > numbers for each PE. Note that for ext3, the block numbers reported are > 4kB blocks (usually, check with dumpe2fs -h), so you are probably looking > for sectors 7180*8 and 7182*8. > > Cheers, Andreas > -- > Andreas Dilger > http://sourceforge.net/projects/ext2resize/ > http://www-mddsp.enel.ucalgary.ca/People/adilger/ > > > _______________________________________________ > linux-lvm mailing list > linux-lvm@sistina.com > http://lists.sistina.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html -- "I think a lot of the basis of the open source movement comes from procrastinating students..." -- Andrew Tridgell