Date: Fri, 12 Feb 2010 16:08:55 -0800 (PST) From: alan bryan <alanbryan1234@yahoo.com> To: Dmitry Marakasov <amdmi3@amdmi3.ru>, Rick Macklem <rmacklem@uoguelph.ca> Cc: freebsd-hackers@freebsd.org, freebsd-stable@freebsd.org, John Baldwin <jhb@freebsd.org> Subject: Re: NFS write corruption on 8.0-RELEASE Message-ID: <247310.48932.qm@web50506.mail.re2.yahoo.com> In-Reply-To: <Pine.GSO.4.63.1002121410100.24931@muncher.cs.uoguelph.ca>
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=0A=0A--- On Fri, 2/12/10, Rick Macklem <rmacklem@uoguelph.ca> wrote:=0A=0A= > From: Rick Macklem <rmacklem@uoguelph.ca>=0A> Subject: Re: NFS write corr= uption on 8.0-RELEASE=0A> To: "Dmitry Marakasov" <amdmi3@amdmi3.ru>=0A> Cc:= freebsd-hackers@freebsd.org, freebsd-stable@freebsd.org, "John Baldwin" <j= hb@freebsd.org>=0A> Date: Friday, February 12, 2010, 11:12 AM=0A> =0A> =0A>= On Fri, 12 Feb 2010, Dmitry Marakasov wrote:=0A> =0A> >=0A> > I'm planning= a massive testing for this weekend,=0A> including removing=0A> > soft moun= t option and trying linux client/server.=0A> >=0A> > Btw, I forgot to menti= on that I'm experiencing other=0A> NFS problems from=0A> > time to time, in= cluding "death" of a mount (that is,=0A> all processes that=0A> > try to ac= cess it freeze; this cures itself in some=0A> time with a message=0A> > "se= rver is alive again"). Also I've seen another=0A> strange thing - not=0A> >= only the mount dies but the network is flooded with=0A> NFS traffic.=0A> >= Last time I've seen it quite a while ago, so I don't=0A> remember the=0A> = > circumstances and direction of the traffic.=0A> >=0A> There are some patc= hes at:=0A> =A0=A0=A0 http://people.freebsd.org/~rmacklem=0A>; that may be = relevant if you are using vanilla FreeBSD-8.0.=0A> (They're all=0A> now in = stable/8, but are post-release of 8.0.)=0A> =0A> rick=0A> =0A> ____________= ___________________________________=0A> freebsd-stable@freebsd.org=0A> mail= ing list=0A> http://lists.freebsd.org/mailman/listinfo/freebsd-stable=0A>; T= o unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"=0A= > =0A=0A=0AThis is interesting:=0A=0A"I've seen another strange thing - not= only the mount dies but the network is flooded with NFS traffic."=0A=0ARic= k - this sounds very similar to the issues I was seeing (and reported in th= e thread on freebsd-stable "Zombie NFS writing from FreeBSD clients to Free= BSD 8.0 server with ZFS". =0A=0AFor the record - I updated to the latest 8= -Stable and that still didn't cure my issues. I was originally on hard mou= nts on udp, tried soft and TCP too, nothing solved it.=0A=0ASo, a few days = ago I switched to using samba and mount_smbfs instead and am now running 3 = days without a crash or any network traffic/load issues. (same machine, sam= e ZFS disks, etc...) Luckily it wasn't too painful to make the change. Wh= en I have more time I'd like to retry NFS.=0A=0A--Alan=0A=0A=0A=0A
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