Notes on resizing file system in LVM (Shrink)

1. Umount the filesystem and check it with e2fsck umount /var/lib/vz e2fsck -f /dev/mapper/pve-data 2. Re-size the file system of /dev/mapper/pve-data (Let said to 500GB) resize2fs /dev/mapper/pve-data 500G 3. Resize the Logical Volume of LVM  lvresize -L 500G /dev/pve/data 4. Check the size of the Logical Volume lvdisplay /dev/pve/data 5. Mount the filesystem and check the size mount /var/lib/vz df […]