Resize the Redhat XFS LVM partition

To resize a Redhat XFS LVM partition, you will need to follow these steps:

Backup your data to a safe location. Resizing a partition always carries the risk of data loss, so it is important to have a backup before proceeding.

Check if the partition is mounted. You cannot resize a mounted partition, so you will need to unmount it first. To do this, run the following command:

umount /path/to/partition

Check if the partition is part of an LVM. If it is, you will need to deactivate the volume group (VG) before you can resize the partition. To do this, run the following command:

vgchange -an /dev/vg_name

Use the fdisk command to delete the existing partition and recreate it with the new size. Make sure to specify the correct device name for your partition (e.g. /dev/sda1).

Create a new physical volume (PV) on the resized partition:

pvcreate /dev/sda1

Add the PV to the VG:

vgextend /dev/vg_name /dev/sda1

Use the lvextend command to extend the logical volume (LV) to the desired size:

lvextend -L +size /dev/vg_name/lv_name

Finally, resize the XFS filesystem on the LV to fill the new space:

xfs_growfs /path/to/lv

That's it! You have successfully resized your Redhat XFS LVM partition.