lvm-resize-root-remove-home

lvm-resize-root-remove-home

# This is a quick guide on how to resize your lvm_root to the full size 
# of your disk by removing the lvm_home partition. 
#
# This assumes you have just done a fresh install CentOS6 / RHEL6 
# and therefore there should be no data in /home.
# 
# MAKE SURE YOU BACK ANYTHING IMPORTANT UP
# 
# This can cause filesystem issues if you get this wrong
# so please be careful.
# 
# Replace {name} with the appropriate path
# to find this run:
#
# $ ls /dev/vg_*
# 
# Look for vg_{hostname}

#
# MUST BE SUDO
#

# Unmount
unmount /home

# Remove the home logical volume
lvm lvremove /dev/vg_{name}/lv_home

# Resize our root logical volume
lvm lvresize -l+100%FREE /dev/vg_{name}/lv_root

# Resize the file system
resize2fs /dev/vg_{name}/lv_root

# IF YOU DO NOT DO THE BELOW YOUR MACHINE WILL BOOT AND MOUNT A READONLY FILESYSTEM 
# 
# IMPORTANT: Ensure you edit your FSTAB and remove the directive that mounts lvm_home
# 
# If you forget, then just mount the filesystem as writeable and edit the FSTAB then reboot.
vi /etc/fstab # Use nano or whatever else that makes you feel happy

# Comment out the line which looks like this
THIS: /dev/mapper/vg_{name}-lv_home /home                   ext4    defaults        1 2
TO THIS: # /dev/mapper/vg_{name}-lv_home /home                   ext4    defaults        1 2

reboot