On Mon, Apr 05, 2004 at 05:37:11PM -0400, Alexis Rosen wrote: > On Sun, Apr 04, 2004 at 05:40:35PM -0700, Kelsey Cummings said: > > And, for that matter, at this point most (all?) NFS implementations > > implement locking anyway. It'd be fairly easy to add this to the tests. > > Yes, but be cautious. Locking over NFS has been claimed to work successfully > for many years, and yet odd failures would pop up again and again. I'm > thinking back to the SunOS 4 days, of course, but I'm still skeptical. IIRC, > someone wrote a well-received paper many years ago (12? 15?) that proved > mathematically that nfs locking was impossible to do correctly 100% of the > time. Best to offer people the choice. This is mail and users/customers tend > to get bent out of shape when it gets lost...
We were always cautious of nfslocking, which is why we contributed the existing code as a safe method. However, since then, we've proven that flock works for us just fine. This would be NFSv3 with linux clients and NetApp filers. As you say, YMMV. -- Kelsey Cummings - [EMAIL PROTECTED] sonic.net, inc. System Administrator 2260 Apollo Way 707.522.1000 (Voice) Santa Rosa, CA 95407 707.547.2199 (Fax) http://www.sonic.net/ Fingerprint = D5F9 667F 5D32 7347 0B79 8DB7 2B42 86B6 4E2C 3896
