Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On Thu, Feb 26, 2009 at 10:42:20AM +0100, Federico Simoncelli wrote: > Hi all I'm using drbd 8.3.0 with fence configured for my resources and > I'd like to use discard-zero-changes for after-sb-0pri and consensus > for after-sb-1pri; the problem is that when a node fence the other > looks like that they both create a new UUID and the > discard-zero-changes doesn't work. Is my analysis correct? Is there > something wrong in my configuration? you have _two primaries_ the new UUID is created when connection is lost. when the connection is first re-established, they are both still Primary, they have diverging data sets: => split brain is detected. after-sb-2pri would be the setting that is used here (_2_ primaries, when split brain is detected) and they certainly do not reach a consensus: > Feb 26 09:58:32 node2 kernel: drbd0: Split-Brain detected, dropping connection! there is no easy way out. the only way out it to hard-reset one node, let it come up as secondary, become synctarget, and only then "activate" it again. -- : 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