Ugo PARSI wrote: > Ok thanks for your quick answer :) > >> >> Yes, it is outdated. clvmd does work with gulm. >> > > Ok... since this is undocumented. > > Are these steps ok ? : > > -> Start gulm servers. > -> Update cluster.conf to remove cman and add gulm servers > -> Remove cman from the node startup scripts > -> Reboot the whole cluster. > > (I'm not in production yet, so downtime is not a real matter, and I'm > trying to deal the transition the easiest way) > > Nothing has to be changed for LVM / CLVM ? > I start / use them the same way ? That's right. clvmd will detect that it's running with gulm rather than cman. >> >> gulm is resource hungry. Get as much RAM as you can ;-) >> I'm no expert on gulm, but I would expect that 256MB would not be >> enough for a >> cluster of over 32 nodes. >> > > Ouch ! > But gulm is just a central locking server, right ? :) > I was more thinking of something like 5 or 10 megs max, LOL :) Well, it depends on how many locks there are obviously. but GFS caches locks for speed so you can end up with quite a lot! -- patrick -- Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
