From: Bernd Eckenfels <ecki-news2005-01@lina.inka.de>
To: linux-kernel@vger.kernel.org
Subject: Re: Linux NFS vs NetApp
Date: Wed, 12 Jan 2005 00:36:40 +0100 [thread overview]
Message-ID: <E1CoVZ2-0006f7-00@calista.eckenfels.6bone.ka-ip.net> (raw)
In-Reply-To: <16868.19707.857446.864762@cse.unsw.edu.au>
In article <16868.19707.857446.864762@cse.unsw.edu.au> you wrote:
>> NetApp's WAFL only journals metadata in NVRAM ...
>> (one of the primary reasons its called WAFL is that the data-write only
>> happens once..).
> That may be, though it doesn't fit with my (admittedly limitted)
> understanding of WAFL.
Yes, AFAIK the NVRAM is used for the RAID-4, independend of WAFL and as a write-back cache.
However since also the read performance of Linux NFS is bad (at least not
very well selftuning) the Hardware is not really the reason for the fast NFS
implementation.
Greetings
Bernd
next prev parent reply other threads:[~2005-01-12 0:03 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <message from Phy Prabab on Monday January 10>
2005-01-11 2:54 ` Linux NFS vs NetApp Phy Prabab
2005-01-11 3:58 ` Anton Blanchard
2005-01-11 7:42 ` Joel Jaeggli
2005-01-11 9:19 ` Valdis.Kletnieks
2005-01-11 10:01 ` Jakob Oestergaard
2005-01-11 14:43 ` J. Bruce Fields
2005-01-12 11:32 ` Jakob Oestergaard
2005-01-11 18:55 ` Valdis.Kletnieks
2005-01-11 9:54 ` Neil Brown
2005-01-11 11:38 ` Lincoln Dale
2005-01-11 22:02 ` Neil Brown
2005-01-11 23:36 ` Bernd Eckenfels [this message]
2005-01-12 0:41 ` Trond Myklebust
[not found] <200501111711.50218.as@cohaesio.com>
2005-01-11 16:21 ` J. Bruce Fields
2005-01-11 17:53 ` Anders Saaby
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