On Mon, 2006-01-09 at 08:08 +0000, Paul Howarth wrote: > On Sun, 2006-01-08 at 21:08 -0500, Robert L Cochran wrote: > > On my shiny new FC4 system, mount reports this device to be mounted on > > root "/": > > > > /dev/mapper/VolGroup00-LogVol00 > > > > And I assume that this is most of my hard drive except for /boot (which > > is /dev/sda1) and swap. Would renaming this with 'lvm lvrename' offer me > > any benefit? For example rename it to > > > > /dev/mapper/VolGroup05-LogVol10 > > I'd have thought "vgrename" would be sufficient - there shouldn't be any > need to rename the LVs once the VG is renamed. > > If you do do this, check that /etc/fstab contains LABEL= lines to > identify mount points rather than hardcoded device names > like /dev/mapper/VolGroup00-LogVol00 or /dev/VolGroup00/LogVol00; if it > doesn, you'll need to edit those too. > If it *does* contain the LABEL= lines and the second VG also contains LVs with the same label this still will be a problem. To avoid conflict of labels he also will need to change any LABEL= lines in fstab to reflect the device name instead. On mine, the lvm devices have the device names in fstab and do not use the LABEL= syntax. > > My previous FC4 system has an LVM spanning 2 physical disks and it is > > going to be truly inconvenient to mount these disks on my current system > > and get at the contents of the data on them. I've forgotten to back up > > several important files to a DVD before doing a hardware upgrade that > > includes using only one Great Big Hard Drive, and I'm feeling the pain. > > > > So would renaming my current LVM make it easier to get my old drives > > (which are currently sitting around unused) mounted and accessible? > > Yes, I would think so. > > Paul. >
