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How to Safely Reduce the Size of a Logical Volume

July 3, 2017 Andy 0

Do not attempt to shrink a volume if the partition is mounted!  Always unmount first! If it is the root volume you need to reduce in size, use a Live DVD/USB instead. You should also take a backup first too 😉 So here we can see I have one Physical Volume, /dev/md0, attached to my one volume group, RAIDVG. [andy@home-pc ~]$ sudo pvs PV VG Fmt Attr PSize PFree /dev/md0 RAIDVG lvm2 a– 1.91t 0 We can also see there is zero space left on the volume group.  You can use sudo pvdisplay to see a more detailed output. As […]