Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On Wed, Jun 20, 2007 at 06:16:27PM +0300, Mike Tewner wrote: > I've noticed that not so many people out there are running drbd > primary/primary - at least according to the list traffic here. > > Now, I'm a newbie at drbd. > > we needed a redundant postfix server with apache and mysql - with > primary/primary > > It seems as though the init scripts aren't updated to support > primary/primary - but I could be wrong > > Either way, I make a cludgy fix by adding " $DRBDADM primary all " to > the end of the "start)" section in /etc/init.d/drbd . Both machines will now > become primary on boot. (normal behavior seems to be to become secondary) Of > course, you'll need the proper configuration ( allow-two-primaries ) > Of course, if you're using heartbeat, you'll have to change the relevant > files > > -BUT- > > the proper thing is to add official support for primary/primary in a > reliable manner (with logic, which I didi't use any of :-) to the > start/stops script and convince the hearbeat guys to do the same. It would > be a great project for someone who has time to give back. we even have a lingering patch to do parts of something like that. > Lars, just out of pure curiosity - is there support for more than 2 > primaries? I mean, if GFS/OCFS2 is managing locking, what is the limiting > factor? there is no support for multiple (n>2) active nodes yet in drbd. I have a few design concepts. main problem to solve is how to go about the reintegration of failed nodes, or reintegration after cluster partition. limiting factor is development time ;) -- : Lars Ellenberg Tel +43-1-8178292-0 : : LINBIT Information Technologies GmbH Fax +43-1-8178292-82 : : Vivenotgasse 48, A-1120 Vienna/Europe http://www.linbit.com : __ please use the "List-Reply" function of your email client.