pvcreate fails with "Can't open <device> exclusively. Mounted filesystem?" on Red Hat Enterprise Linux
Issue
-
pvcreatethrows an error:# pvcreate /dev/mapper/mpath1 Can't open /dev/mapper/mpath1 exclusively. Mounted filesystem? -
For
vgcreatealso below error message is displayed:# vgcreate vg1 /dev/mapper/mpath1 Can't open /dev/mapper/mpath1 exclusively. Mounted filesystem? Unable to add physical volume '/dev/mapper/mpath1' to volume group 'vg1'.
Environment
- Red Hat Enterprise Linux (RHEL) 4, 5 or 6
- LVM2
- Creating a physical volume with pvcreate
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.
Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.
