Date: Sun, 12 Sep 2010 19:30:01 -0400 From: Josh Paetzel <josh@tcbug.org> To: Rick Macklem <rmacklem@uoguelph.ca> Cc: "freebsd-fs@freebsd.org" <freebsd-fs@freebsd.org>, Terry Kennedy <TERRY@tmk.com> Subject: Re: Weird Linux - FreeBSD/ZFS NFSv4 interoperability problem Message-ID: <CA42CAF7-D592-4C0B-B82E-5B5C3A3F52BB@tcbug.org> In-Reply-To: <737011362.791810.1284332418932.JavaMail.root@erie.cs.uoguelph.ca> References: <737011362.791810.1284332418932.JavaMail.root@erie.cs.uoguelph.ca>
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On Sep 12, 2010, at 7:00 PM, Rick Macklem <rmacklem@uoguelph.ca> wrote: >> >> 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 > I'll do that soon. The premature end was me doing ctrl-c. I ran it a couple times to ensure it was repeatable. Thanks, Josh Paetzel
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