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From: Hans Reiser <reiser@namesys.com>
To: "Stephen C. Tweedie" <sct@redhat.com>
Cc: Bernd Eckenfels <ecki@lina.inka.de>, linux-kernel@vger.kernel.org
Subject: Re: [POT] Which journalised filesystem ?  (fwd)
Date: Fri, 05 Oct 2001 14:42:10 +0400	[thread overview]
Message-ID: <3BBD8E82.592130A7@namesys.com> (raw)
In-Reply-To: <706340000.1002116485@gullevek.piwi.intern> <E15oqKN-00058k-00@calista.inka.de> <20011005113146.B3587@redhat.com>

"Stephen C. Tweedie" wrote:
> 
> Hi,
> 
> On Wed, Oct 03, 2001 at 08:01:03PM +0200, Bernd Eckenfels wrote:
> >
> > Do you had NFS Problems or do you had filesystem problems?
> >
> > Because NFS interaction with Journaled Filesystems is/was an issue with
> > those recent kernels, as far as i understand.
> 
> Should be fine with ext3 and XFS.  It's not a journaling problem as
> much as NFS assuming a particular property of the filesystem.
> 
> Resierfs had a particular difficulty with NFS, mainly because the NFS
> spec assumes that every file can be looked up by a 64-bit cookie which
> doesn't change over reboots, and that's a hard invariant to deal with
> when you've only got 32-bit inode numbers in the kernel and when your
> filesystem is tree-structured so that the file metadata on disk can
> move about.  The VFS has been extended a bit in more recent kernels to
> allow Reiserfs to give NFS the hints it needs to get the file handles
> right.
> 
> Cheers,
>  Stephen
> -
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> Please read the FAQ at  http://www.tux.org/lkml/
Err, I meant it is stable from all reports for recent kernels:-/.... excuse me.

Hans

  parent reply	other threads:[~2001-10-05 10:42 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-10-03 13:41 [POT] Which journalised filesystem ? (fwd) Clemens Schwaighofer
2001-10-03 18:01 ` Bernd Eckenfels
2001-10-04 10:42   ` Clemens Schwaighofer
2001-10-05 10:48     ` Hans Reiser
2001-10-05 10:31   ` Stephen C. Tweedie
2001-10-05 10:41     ` Hans Reiser
2001-10-05 10:42     ` Hans Reiser [this message]
2001-10-05 11:25       ` Stephen C. Tweedie
2001-10-05 23:22         ` Mike Fedyk

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