Thanks, Heinz! I got impatient this morning and executed: dd if=/dev/zero of=/dev/sdb bs=1 count=1 hoping the result would be that /dev/sdb1 would contain the only valid VG descriptor, and it worked. Just for confirmation, 1) Does VG always get written at the beginning of PE (first 128 bytes), whether it's the whole disk (/dev/sdb) or a partition (/dev/sdb1)? 2) I was expecting kickstart to clear the disk label, but looking at my ks.cfg I only see clearpart --all It probably should have said: clearpart --all --initlabel to avoid the situation of having an "old" PV structure info on /dev/sdb... I haven't tried it yet but would that have been the right approach? 3) AJ Lewis's LVM-HOWTO contains a statement: "The recommended method of partitioning a disk is to create a single partition that covers the whole disk. This avoids any nasty accidents with whole disk drive device nodes and prevents the kernel warning about unknown partition types at boot-up." Is there a general agreement amongst lvm developers and users that the partition based PE (/dev/sdb1) is preferred over the "partitionless" PE (/dev/sdb) in a "normal" production environment when the intent is to use the entire physical disk as a PE? Cheers, Randy -------------------------------------------------------------------------------- From: Heinz Mauelshagen <mauelshagen redhat com> To: linux-lvm redhat com Subject: Re: inactive PV associated to unknown VG Date: Thu Feb 19 10:38:31 2004 -------------------------------------------------------------------------------- Randy, the PV structure on /dev/sdb hasn't been removed. Overwrite the first 128 bytes of /dev/sdb and rerun vgscan. On Wed, Feb 18, 2004 at 03:56:56PM -0800, Randy Rubins wrote: > I'm having a problem importing a VG after > re-installing the server (original OS version RH 7.3, > new RHEL 3 AS). LVM is picking up the /dev/sdb, as > well as the new /dev/sdb1 PV. Any way to tell LVM to > ignore /dev/sdb and force it to use /dev/sdb1? > BTW, the LVM version used on RH 7.3 was 0.9.1_beta7, > the new LVM version - whatever comes with RHEL 3 AS > update 1. 1.0.3 > > Thanks, > Randy > > pvscan -- reading all physical volumes (this may take > a while...) > pvscan -- ACTIVE PV "/dev/sda2" of VG "rootvg" > [16.45 GB / 4.69 GB free] > pvscan -- inactive PV "/dev/sdb" is associated to > unknown VG "localvg" (run vgscan) > pvscan -- inactive PV "/dev/sdb1" is associated to > unknown VG "localvg" (run vgscan) > pvscan -- total: 3 [45.42 GB] / in use: 3 [45.42 GB] / > in no VG: 0 [0] > > ===== > Randy Rubins (eBay ID: lv_hockey) > mailto://lv_hockey yahoo com > > __________________________________ > Do you Yahoo!? > Yahoo! Mail SpamGuard - Read only the mail you want. > http://antispam.yahoo.com/tools > > _______________________________________________ > linux-lvm mailing list > linux-lvm redhat com > https://www.redhat.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ -- Regards, Heinz -- The LVM Guy -- *** Software bugs are stupid. Nevertheless it needs not so stupid people to solve them *** =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Heinz Mauelshagen Red Hat, Inc. Consulting Development Engineer Am Sonnenhang 11 56242 Marienrachdorf Germany Mauelshagen RedHat com +49 2626 141200 FAX 924446 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- ===== Randy Rubins (eBay ID: lv_hockey) mailto://lv_hockey@yahoo.com __________________________________ Do you Yahoo!? Yahoo! Mail SpamGuard - Read only the mail you want. http://antispam.yahoo.com/tools _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
