--- Paul Howarth <paul@xxxxxxxxxxxx> wrote:If you have done a default install of FC3 then you will be using LVM. This gives you the opportunity to use the additional disk space as if it was extra space on your existing filesystems rather than creating a new partition and mounting it at a fixed mountpoint, where the only additional space you'll get is under that mountpoint.
To do this, proceed as above up to the "p" command in "fdisk". At this point, do the following:
Use the "t" command in fdisk to change the type of the new partition to "8e" (Linux LVM). Then use the "w" command as above to write out the new partition table.
You would then set up your new partition as an LVM physical volume: # pvcreate /dev/hdb1
You can then add this new space to your existing volume group, which by default is called Volume00 (the "vgdisplay" command will show you which volume groups you have):
# vgextend Volume00 /dev/hdb1
You can then allocate additional space to any existing logical volumes you have. I think by default that you get LogVol00 for the root partition and LogVol01 for swap ("df" or a look in your /etc/fstab file should show you what you have). Use the "lvextend" command to do this (see "man lvextend").
e.g. to add 50G to LogVol00: # lvextend --size 50G /dev/Volume00/LogVol00
Finally, you thne increase the size of the filesystem to fill the bigger logical volume. In FC3, this can be done whilst the filesystem is mounted:
# ext2online -v /dev/Volume00/LogVol00
I am getting the following error when writing:
================================================= Disk /dev/hdb1: 8447 MB, 8447330304 bytes 16 heads, 63 sectors/track, 16367 cylinders Units = cylinders of 1008 * 512 = 516096 bytes
Device Boot Start End Blocks Id System
/dev/hdb1p1 1 16367 8248936+ 8e Linux LVM
Command (m for help): w The partition table has been altered!
Calling ioctl() to re-read partition table.
WARNING: Re-reading the partition table failed with error 22: Invalid argument. The kernel still uses the old table. The new table will be used at the next reboot. Syncing disks. ================================================= After I reboot, I still see the old format. What am I missing?
What's the problem? The partition type is 8e (Linux LVM), which is what you wanted. You should now be able to proceed to the "pvcreate" stage.
Paul.
