On Wed, Jun 24, 2009 at 11:31:14AM -0600, Sam Howard wrote: > Hi. > I've been trying to find some way to change the protocol of a DRBD device, > and have been getting stuck every time: > > r...@xen-80-31-00:/etc/xen/guests# drbdadm disconnect build-hardy-x64-root > r...@xen-80-31-00:/etc/xen/guests# drbdadm adjust build-hardy-x64-root > 22: Failure: (139) Protocol C required > Command 'drbdsetup 22 net 10.99.99.200:7722 10.99.99.100:7722 A > --set-defaults --create-device --allow-two-primaries' terminated with exit > code 10 > r...@xen-80-31-00:/etc/xen/guests# drbdadm down build-hardy-x64-data > r...@xen-80-31-00:/etc/xen/guests# drbdadm down build-hardy-x64-root > r...@xen-80-31-00:/etc/xen/guests# drbdadm adjust build-hardy-x64-root > 22: Failure: (139) Protocol C required > Command 'drbdsetup 22 net 10.99.99.200:7722 10.99.99.100:7722 A > --set-defaults --create-device --allow-two-primaries' terminated with exit > code 10
but it should be obvious that two-primaries requires synchronous replication, thus protocol C. though it is not explicitly mentioned in the man pages. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm subscribed _______________________________________________ drbd-user mailing list [email protected] http://lists.linbit.com/mailman/listinfo/drbd-user
