pvchange command and its examples

It is a command for modifying the attributes of a physical volume (PV). Which can be used to change the attributes of a PV, such as its name, size or allocation policies.

  • About pvchange: To change attributes of a physical volume
  • Comes From: lvm2-2.02.72
  • Configuration Files:
  • Path: /sbin/pvchange

Examples:

1. To ignore or un-ignore metadata areas on this physical volume

# pvchange –metadataignore
# pvchange –metadataignore

2. To enable or disable allocation of physical extents on this physical volume

# pvchange -x y /dev/sda2
# pvchange –allocatable y /dev/sda2

3. To generate new random UUID for specified physical volumes

# pvchange -u /dev/sda2
# pvchange –uuid /dev/sda2

4. To do the change for all the pvchanges

# pvchange -a x y
# pvchange –all u

Related Commands: lvm, pvcreate

Leave a Reply

Your email address will not be published. Required fields are marked *