To reduce an LVM2 swap logical volume (assuming /dev/VolGroup00/LogVol01 is the volume you want to extend): Replace /dev/VolGroup00/LogVol01 with your HD partition.
-
Disable swapping for the associated logical volume:
# swapoff -v /dev/VolGroup00/LogVol01 -
Reduce the LVM2 logical volume by 512 MB:
# lvm lvreduce /dev/VolGroup00/LogVol01 -L -512M -
Format the new swap space:
# mkswap /dev/VolGroup00/LogVol01 -
Enable the extended logical volume:
# swapon -va -
Test that the logical volume has been reduced properly:
# cat /proc/swapsor # free