linux-kernel - Re: NFS issue while copying huge file

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Message-ID: <20140523133537.GI25423@fieldses.org>
Date:	Fri, 23 May 2014 09:35:37 -0400
From:	"J. Bruce Fields" <bfields@...ldses.org>
To:	Richard Weinberger <richard.weinberger@...il.com>
Cc:	Linux NFS mailing list <linux-nfs@...r.kernel.org>,
	trond.myklebust@...marydata.com, NeilBrown <neilb@...e.de>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: NFS issue while copying huge file

On Thu, May 22, 2014 at 12:50:34PM +0200, Richard Weinberger wrote:
> On Wed, May 21, 2014 at 11:33 PM, Richard Weinberger
> <richard.weinberger@...il.com> wrote:
> > Hi!
> >
> > My backup server runs CentOS6 with kernel 2.6.32-431.17.1.el6.x86_64.
> > Many servers copy theirs backups to it. This setups works perfectly
> > fine since ages.
> > Today I've configured a new server which runs Kernel 3.12.20 to store
> > it's backups to the NFS server too.
...
> Just gave 3.15-rc6 a try, it happens here too.

I was reading a little quickly and assumed all these kernel versions
described the NFS server, now I understand you're varying only the NFS
client; so against that CentOS 2.6.32 server, you're seeing the problem
when the NFS client is 3.12.20 or 3.15-rc6, but not if the NFS client is
running the same CentOS 2.6.32 version.  Got it, sorry for the
confusion.

So with my upstream hat on that's a little less interesting since
upstream is pretty far from any 2.6.32-based kernel at this point.

--b.
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