370fea3c11
Currently the block size for DD operations is hard coded to 1 meg. In some enviroments, like where nodes block storage is SAN or NAS based this may be causing sub par performance, This patch makes the block size for DD operations adjustable via a conf file option. Closes-bug: #1411002 Change-Id: I49bf538988ba2fa40047d4ffeffb416ba232e3f2