On 06/06/07, Francois Caen <frcaen at gmail.com> wrote: > On 6/6/07, Will McDonald <wmcdonald at gmail.com> wrote: > > Under real user load though it just fell on its arse very quickly and > > a quick fall back to v3 was implemented. > > Will, could you please expand on what went wrong? What kind of > symptoms did you experience? And did everything work prefectly when > you just reverted to v3? I can't recall *exactly* what was going on as it was a while back. We had 3 or 4 identical clients mounting maildirs. Under relatively light real user load NFS 4 mounts would lock up and all sorts of other weirdness. reverting back to v3 resolved the problems. I never got round to trying again. I would probably have waitied until we moved to a newer major version of CentOS. Will