ckptbench.c:
retry writes when it appears the system is blocked, perhaps during a resynchronization.
Many files:
Block multicast messages during synchronization.

BKrev: 4238c435y6ZGwBr-M4xFHDUJ7HhLaQ


git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@534 fd59a12c-fef9-0310-b244-a6a79926bd2f