On Monday 13 June 2005 4:33 pm, Paul Howarth wrote: > > You can use ext2online to resize a mounted ext2/ext3 filesystem, so a > rescue CD might not be needed (ext2online can't always resize a > partition but it'll tell you if it can't). > > The procedure basically involves using pvcreate to create LVM > physical volumes on the new disks, vgextend to add those physical > volumes to VolGroup00 and then lvextend to make logical volume > /dev/VolGroup00/LogVol00 bigger. You can then resize the root > filesystem using either ext2online (if it works), or resize2fs from > rescue mode if ext2online refuses to cooperate. > > See the man pages for the various commands to see how they work. See > also the Linux LVM HOWTO: > http://www.tldp.org/HOWTO/LVM-HOWTO/ > > Paul. I've tried to carry out the steps above bit came unstuck at the lvextend stage. Anyone see what I'm doing wrong? Below is the session I was running. Gary [root@larry1 ~]# fdisk -l /dev/hda Disk /dev/hda: 41.1 GB, 41174138880 bytes 255 heads, 63 sectors/track, 5005 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/hda1 * 1 13 104391 83 Linux /dev/hda2 14 5005 40098240 8e Linux LVM [root@larry1 ~]# fdisk -l /dev/hdb Disk /dev/hdb: 41.1 GB, 41110142976 bytes 16 heads, 63 sectors/track, 79656 cylinders Units = cylinders of 1008 * 512 = 516096 bytes Device Boot Start End Blocks Id System [root@larry1 ~]# df Filesystem 1K-blocks Used Available Use% Mounted on /dev/mapper/VolGroup00-LogVol00 38639072 2676536 33999736 8% / /dev/hda1 101086 12308 83559 13% /boot none 192376 0 192376 0% /dev/shm [root@larry1 ~]# pvcreate /dev/hdb Physical volume "/dev/hdb" successfully created [root@larry1 ~]# vgextend VolGroup00 /dev/hdb Volume group "VolGroup00" successfully extended [root@larry1 ~]# lvextend -L +40G /dev/mapper/VolGroup00-LogVol00 /dev/hdb Volume group mapper doesn't exist -- Gary Stainburn This email does not contain private or confidential material as it may be snooped on by interested government parties for unknown and undisclosed purposes - Regulation of Investigatory Powers Act, 2000
