On Wednesday 21 June 2006 10:24, Heinz Mauelshagen wrote: > On Tue, Jun 20, 2006 at 09:07:29PM +0200, Aad Rijnberg wrote: > > Hi, > > > > my logical volume that contains /usr appears to be too small. I already > > removed some applications that I did not need, but it is still on the > > edge. Now that there are a lot of updates, I get the complaint of yum > > that there is not enough free space on /usr. > > > > I just bought an additional harddisk which I also needed for other > > purposes, and would like to reserve part of this new drive for extra LVM > > space. I have just created a new volume group (VolGroup01) on the new > > drive, and a logical volume (LogVol01) inside that physical volume group. > > > > Can I mount both /dev/mapper/VolGroup00-LogVol01 (which contains the /usr > > data on the "old" drive) and /dev/mapper/VolGroup01-LogVol01 to the /usr > > mount point? Or can only one logical volume be mounted to a mount point? > > Aad, > > you can only mount one device with a filesystem on the same mountpoint. > > What needs doing in order to grow your logical volume containing the usr > filesystem, is to *add* the second drive to the existing volume group on > the first one and grow usr afterwards (LV and FS). > > Carry out the follwoing steps (or use system-config-lvm): > > lvremove VolGroup01/LogVol01 > vgremove VolGroup01 > vgextend VolGroup00 /dev/sdb # or whatever the drive is > > # replace 5G with the capacity you want to add > lvextend -L+5G VolGroup00/LogVol01 > > How to grow the FS depends on the type; for ext2/3 you'ld run: > > ext2online /dev/VolGroup00/LogVol00 > Hi Heinz and Georg, thanks for the clear descriptions. I performed the operations with the Logical Volume Management tool provided with Fedora Core 5 (system-config-lvm), which has an intuitive GUI and now my /usr "partition" has grown by 5G. It's as easy as ... ;-) Thanks for the support! Aad _______________________________________________ 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/