On 1.4.2011, at 10.52, Jan-Frode Myklebust wrote: > I've notice the log notices about increasing > /proc/sys/fs/inotify/max_user_instances on my servers, and started > wondering if inotify works for network/cluster filesystems.. > > I found this: > > http://www.ibm.com/developerworks/forums/thread.jspa?threadID=311194 > > which says that there's no mechanism for one node to tell another node > that a directory changed for GPFS.. And I would assume the same applies for > NFS and other network filesystems. (Yes I know, we should use director > to make users sticky to one host -- but we're not yet ready for that for > lmtp).
Right. But it should still work if the modifications come from the same system. So it's better than nothing. > So, are there any recommendations for what settings one should use for > for filesystems where inotify woun't work ? Are there settings for > disabling it (without recompiling)? Why not just keep it enabled? There shouldn't be any down side to it. > And does mailbox_idle_check_interval happen in addition to inotify, so > that clients will be notified even with a broken inotify ? Yes.
