Which one of the following is NOT a required component for running an OCFS2 file system resource in a Pacemaker environment?

Which one of the following is NOT a required component for running an OCFS2 file system resource in a Pacemaker environment?

A.
A clone resource for the OCFS2 file system

B.
quorum

C.
dlm

D.
clvm

E.
o2cb