On Thu, May 15, 2003 at 09:09:17AM -0500, B. J. Zolp wrote: > On Thursday 15 May 2003 00:59, Herbert Poetzl wrote: > > On Wed, May 14, 2003 at 10:41:37AM -0500, B. J. Zolp wrote: > > > One of the drives in my volume group is developing bad sectors on it. > > > When I mount the logical volume spanning that drive my entire machine > > > locks up. Should I be able to dd (without reading the bad sectors) the > > > failing drive (assuming it spins up and reads all the good sectors) to > > > the replacement drive, then run fsck on the unmounted volume and then > > > mount the volume with minimal data loss? > > > > I guess, this should work ... but make sure, that > > you do the copy operation on another system, otherwise > > the LVM stuff could/will be irritated by two diffent > > disks with the same signature (after copying over) > > > > What if the LVM is down? Then when the copy is complete I replace the bad > drive with the replacement and bring the LVM back up. That seems like it > should work. just make sure that the kernel or any start script scans for vgs or recreates lvmtab or makes any updates and/or changes to the pvs ... given that, it should work ... > > > The other option I can think of is remove that drive from the volume and > > > then remount it, but that would mean a loss of everything that is one the > > > failing drive, plus I am not sure how reiserfs works with large chunks of > > > its file system removed like that. > > > > I wouldn't do that, neither with reiserfs nor with > > any other unix filesystem ... only as last escape > > if you disk is completely unreadable ... > > > > anyway, if possible make a copy of ALL disks involved > > before you do any fscking so you can go back and > > try any other approach ... > > > > best, > > Herbert > > > > > thanks > > > > > > bjz > > > > > > _______________________________________________ > > > linux-lvm mailing list > > > linux-lvm@sistina.com > > > http://lists.sistina.com/mailman/listinfo/linux-lvm > > > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ > > > > _______________________________________________ > > linux-lvm mailing list > > linux-lvm@sistina.com > > http://lists.sistina.com/mailman/listinfo/linux-lvm > > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ > > > _______________________________________________ > linux-lvm mailing list > linux-lvm@sistina.com > http://lists.sistina.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ _______________________________________________ linux-lvm mailing list linux-lvm@sistina.com http://lists.sistina.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
