Reducing root logical volume - denis-kol4ev/OraDBA GitHub Wiki

Reducing the root logical volume to 10G with the following commands:

1. Boot with rescue CD. Skip mounting of the system partitions.

2. Reduce LogVol

# lvm vgchange -a y
# e2fsck -f /dev/VolGroup00/LogVol00
# resize2fs -f /dev/VolGroup00/LogVol00 10G
# lvm lvreduce -L10G /dev/VolGroup00/LogVol00

3. Remove the CD and reboot.