Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
/ 2007-02-27 20:41:47 +0000 \ Rene Mayrhofer: > Am Dienstag, 27. Februar 2007 19:09 schrieb lars: > > go, bug them! > I bugged the Debian kernel team instead - #412748. > > > an other hint: you definetly want to increase the ocfs2 heartbeat > > "retries" so it is much higher than any drbd timeout might be. > > with the default of (iirc) 7, both ocfs2 nodes may decide to fence > > themselves whithin some seconds when the network has some hickups. > Is O2CB_HEARTBEAT_THRESHOLD=16 considered to be enough (i.e. 30s fencing time > when I understand it correctly, compared to the drbd defaults of between 6 > and 10s)? give it a try. > > and try to not run into oom conditions... > How would it if only a few user processes are running? no problem, then. > Are the drbd and/or ocfs kernel threads known to leak memory? Or are > you referring to something else here? I'm referring to filesystem and block io via tcp... it is a pretty generic problem. under heavy io during memory pressure having tcp (more or less) in the io-path might throttle or even stall io. for most things it would not matter too much, as long as eventually it recovers, once enough memory is available again for the network to continue. for ocfs2 it may just be long enough to trigger the self-fence ... > > > Or is GFS2 better or even the "recommended" file system for > > > primary/primary drbd volumes? > > > > we don't "recommend" anything yet. I believe ocfs2 is more lightweight > > and would be easier to setup/maintain. but that is just me... > But are there any practical experiences right now or am I trying > something "yes, it might work, but is right now completely > untested/unsupported/not expected to work/brkoen und you get to keep the > pieces if your machine transforms into a fireball"? > > > hope we hear a happy success story soon? > Yeah, me too... > > Rene > > -- > ------------------------------------------------- > Gibraltar firewall http://www.gibraltar.at/ -- : 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.