On Sun, May 10, 2009 at 08:22:21PM -0700, Jason Staczek wrote: > Hello All, > > I'm seeing some behavior I don't understand at all, wondering if > anyone can shed some light. I have two dual 2.5 G5 Macs, identical > hardware, except one is running Tiger, the other Leopard. They're > on a gigabit switch which also has an dual Opteron opensolaris box > running a big raidz2 pool shared through NFS. > > Writes from Leopard to solaris over NFS are fast (~25Mb/s). Writes > from Tiger to solaris over NFS are 10x slower.
What mount options are you using? If you are using the defaults, then the Tiger machine is using UDP. The default is (finally) TCP in Leopard. You could try using "-o tcp" on the Tiger system to see if that helps. I'd be surprised if it didn't. HTH --macko
