Date: Sun, 12 Sep 2010 19:00:18 -0400 (EDT) From: Rick Macklem <rmacklem@uoguelph.ca> To: Josh Paetzel <josh@tcbug.org> Cc: freebsd-fs@freebsd.org, Terry Kennedy <TERRY@tmk.com> Subject: Re: Weird Linux - FreeBSD/ZFS NFSv4 interoperability problem Message-ID: <737011362.791810.1284332418932.JavaMail.root@erie.cs.uoguelph.ca> In-Reply-To: <201009121716.17813.josh@tcbug.org>
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> > root@jester1d / ->mount -t nfs -o wsize=65536,rsize=65536 > servant.ixsystems.com:/a/isos /mnt > root@jester1d / ->cd /mnt > root@jester1d /mnt ->dd if=PCBSD8-STABLE-20100420-x64-DVD.iso > of=/dev/null > bs=1m > 3344+1 records in > 3344+1 records out > 3507386368 bytes transferred in 34.562502 secs (101479528 bytes/sec) > > root@jester1d /mnt ->cd .. > root@jester1d / ->umount /mnt > root@jester1d / ->mount -t newnfs -o nfsv3,rsize=65536,wsize=65536 > servant.ixsystems.com:/a/isos /mnt > root@jester1d / ->cd /mnt > root@jester1d /mnt ->dd if=PCBSD8-STABLE-20100420-x64-DVD.iso > of=/dev/null > bs=1m > 345+0 records in > 345+0 records out > 361758720 bytes transferred in 46.191718 secs (7831679 bytes/sec) > > The first run hits network limits. > Hmm, the newnfs case seems to have terminated prematurely. That's a different problem than the others seemed to report, but you definitely have a slow read rate. Could you by any chance run the newnfs test again and capture a "ps axHl" on the client (I'm hoping that will hint at where the threads are sleeping). Thanks for doing the test, rick
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