On Tue, Jul 20, 2004 at 01:13:54PM +0200, David Claessens wrote: > Hi, > > I have a machine with 4 disks assigned to LVM. I recently re-installed > this machine and upgraded it to a custom compiled 2.6 kernel (2.6.7 to > be specific) but now I'm having troubles recreating my LVM. I have > assigned /dev/hda6, /dev/hdb, /dev/hdc en /dev/hdd to LVM with the > 'pvcreate' command without any error (I did run the dd command from the > howto first). When I run 'pvs' I see my 4 physical volumes, however when > I run 'pvscan' it only lists 3 of the 4 physical volumes. /dev/hdc is > missing from the list. When I run 'pvs' again it now also only shows 3 > of the 4 physical volumes. However if I run 'pvs /dev/hdc' it shows me > my 4 physical volumes, 'pvscan' always shows only 3. Also after running > 'pvscan', I can run 'pvcreate' again on /dev/hdc without any error and > running 'pvs' without any arguments will show 4 volumes. > > I have no problems creating a primary partition spanning the disk. > However running 'pvcreate /dev/hdc1' also works without an error but it > still won't show up in a pvscan. What could be the problem that hdc > won't be a physical volume or what commands could/should I run to more > accurately debug/fix the problem ?? > > The system is running on Debian 3.0 upgraded to testing and I have a > duplicate with the same setup that is running without any problem. Also > LVM2 is working perfectly using the 3 working physical volumes. Check the config file (/etc/lvm/lvm.conf) for filters. By default /dev/cdrom is filtered out on Debian systems and this often gets mapped to /dev/hdc. Which would cause those symptoms. Simply comment out the active "filter = " line and run vgscan. -- patrick _______________________________________________ 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/
