> On Dec 5, 2011, at 11:20 AM, Jan Stary wrote: > > > On Dec 05 08:28:15, Michael Durket wrote: > >> I'm running an old copy of OpenBSD (4.1) on a production server and it > >> mounts a single NFS volume from another (Solaris) machine using NFS 3 tcp. > >> This mount worked initially, but then for a short period of time the remote > >> server had a problem, and I would see messages indicating that the server > >> was > >> not responding (and an nfsstat command would indicate increasing values in > >> the > >> TimedOut section of the Rpc Info section of the output). I can do a > >> showmount > >> to the remote NFS server and it works fine (and shows that my host has > >> mounted > >> the volume on the remote server), but all attempts to access the volume > >> fail > >> as do any unmount attempts. I've asked a few OpenBSD experts to take a look > >> but they can't seem to find what the problem is - it's almost as if once > >> OpenBSD reports server timeouts that it never forgets (like setting a latch > >> that I can't reset). I'd like to unmount this volume (and just forget > >> about > >> using NFS on OpenBSD) but I can't think of way to do it without taking down > >> the production server for a reboot. > > > > Even 'umount -f' doesn't unmount it? > >
On Dec 05 13:06:14, Michael Durket wrote: > Yes - that fails as well. What kind of problem was there at the server? (Could the connections to that server die?) Is the initial tcp connection still alive? (pfctl -ss) Can you provide a full tcpdump of an umount attempt? (From both ends preferably?)
