The Joy of Penguins : Linux System Administration

Linux System Administration

Logical Volume Manager (LVM)

We now have our LVM set up, so how do we resize the partitions?
We can either declare how much space to add or we could declare how big we want the drive to be.

For instance, if the drive is set at 8GB, we could say:

add 2GB to the drive or
grow the drive to 10GB.

                # lvextend -L10G /dev/lvm-hdb/lvm0
                lvextend -- extending logical volume "/dev/lvm-hdb/lvm0" to 12 GB
                lvextend -- doing automatic backup of volume group "lvm-hdb"
                lvextend -- logical volume "/dev/lvm-hdb/lvm0" successfully extended

The command above will extend the drive to 10GB
The command below will add 2GB to the drive:

		# lvextend -L+2G /dev/lvm-hdb/lvm0
		lvextend -- extending logical volume "/dev/lvm-hdb/lvm0" to 10GB
		lvextend -- doing automatic backup of volume group "lvm-hdb"
		lvextend -- logical volume "/dev/lvm-hdb/lvm0" successfully extended

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