Resize the file system
Rhel 4
After extending the volume group and the logical volume, you must resize the file system. This is done using ext2online. First, verify the file system size, perform the resize, and then verify the size again:
* you can backup/move the filesystem # dump 0f - /usr | (cd /mnt; restore xf -)
# df -h /mnt/test
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/TestVG-TestLV
2.3G 36M 2.2G 2% /mnt/test
# lvextend -L +8G /dev/TestVG/LV or -l +32 (+ means add to existing)
# ext2online /dev/TestVG/TestLV (rhel 5 - use resize2fs)
ext2online v1.1.18 - 2001/03/18 for EXT2FS 0.5b
# df -h /mnt/test
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/TestVG-TestLV
30G 39M 29G 1% /mnt/test
-----Original Message-----
From: Florez, Nestor [mailto:NFlorez@xxxxxxxxx]
Sent: Thursday, January 07, 2010 4:10 PM
To: General Red Hat Linux discussion list
Subject: LVM: Not working
I am using LVM on mon eof my RHEL5 and I left some space available to
increase the size of my storage volume. I am using the following
commands to increase the size of one Logical Volume but after I mount
the volume the size has not changed. The 'lvextend' command says that the size of the volume is 13.75GB.
What I am missing?
# ls -lt /dev/VolGroup00/LogVol06
lrwxrwxrwx 1 root root 31 Jan 7 15:57 /dev/VolGroup00/LogVol06 -> /dev/mapper/VolGroup00-LogVol06
# df -k
/dev/mapper/VolGroup00-LogVol06
9903432 153832 9238420 2% /usr/local
# umount /dev/mapper/VolGroup00-LogVol06
# lvextend -L+3G /dev/VolGroup00/LogVol06
Extending logical volume LogVol06 to 13.75 GB
Logical volume LogVol06 successfully resized
# mount /dev/mapper/VolGroup00-LogVol06 /usr/local
# df -k
/dev/mapper/VolGroup00-LogVol06
9903432 153832 9238420 2% /usr/local
Thanks,
Néstor J
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