B #5255: handle BLOCK_CDROM disk types (#868)
B #5255: handle BLOCK_CDROM disk types (#868)

Submitted by Anton Todorov <atodorov-storpool@users.noreply.github.com>

(cherry picked from commit 25eb83db77ae1e62f0dfcd6e9400c282c9bb548e)

OpenNebula/one,OpenNebula/one,OpenNebula/one,OpenNebula/one,OpenNebula/one,OpenNebula/one,OpenNebula/one,OpenNebula/one,OpenNebula/one