>>> Lars Marowsky-Bree <l...@suse.de> schrieb am 19.05.2011 um 13:03 in >>> Nachricht <20110519110338.gm26...@suse.de>: > On 2011-05-19T11:24:23, Ulrich Windl <ulrich.wi...@rz.uni-regensburg.de> > wrote: > > > Hi! > > > > From what I've read about SBD and SFEX, I could use one disk for both of > them, if SBD and SFEX get a partition on the disk. Right? > > Reason: The minimum of a disk on out SAN is 1GB, and it's quite wasteful to > have 1GB just for SBD. Doing some calculation, 1MB for SBD should be enough > for about any number of cluster nodes, and 900MB should be enough for more > than 1000 resources to control. > > Well, yes. I'm not quite sure why you'd want to use sfex though if you > have sbd fencing anyway.
SBD is for node fencing only. If I need to ensure exclusive assignment of shared storage resources (well you never know what the cluster stuff tries to do) to avoid data corruption (e.g. through MD-RAID), I feel the need for cluster-wise mutex-locks. Regards, Ulrich _______________________________________________ Linux-HA mailing list Linux-HA@lists.linux-ha.org http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
