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From: Daniel Phillips <phillips@bonn-fries.net>
To: Chris Wedgwood <cw@f00f.org>, Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Andrew Morton <andrewm@uow.edu.au>,
	Andreas Dilger <adilger@turbolinux.com>,
	"Albert D. Cahalan" <acahalan@cs.uml.edu>,
	Ben LaHaise <bcrl@redhat.com>,
	Ragnar Kjxrstad <kernel@ragnark.vestdata.no>,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	mike@bigstorage.com, kevin@bigstorage.com, linux-lvm@sistina.com
Subject: Re: [PATCH] 64 bit scsi read/write
Date: Sat, 14 Jul 2001 22:11:30 +0200	[thread overview]
Message-ID: <0107142211300W.00409@starship> (raw)
In-Reply-To: <E15LL3Y-0000yJ-00@the-village.bc.nu> <20010715025001.B6722@weta.f00f.org>
In-Reply-To: <20010715025001.B6722@weta.f00f.org>

On Saturday 14 July 2001 16:50, Chris Wedgwood wrote:
> On Sat, Jul 14, 2001 at 09:45:44AM +0100, Alan Cox wrote:
>
>     As far as I can tell none of them at least in the IDE world
>
> SCSI disk must, or at least some... if not, how to peopel like NetApp
> get these cool HA certifications?

Atomic commit.  The superblock, which references the updated version 
of the filesystem, carries a sequence number and a checksum.  It is 
written to one of two alternating locations.  On restart, both
locations are read and the highest numbered superblock with a correct
checksum is chosen as the new filesystem root.

--
Daniel

  reply	other threads:[~2001-07-14 20:08 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-07-01  4:53 [RFC][PATCH] first cut 64 bit block support Ben LaHaise
2001-07-03  4:53 ` Ragnar Kjørstad
2001-07-04  2:19   ` [PATCH] 64 bit scsi read/write Ben LaHaise
2001-07-04  7:11     ` Alan Cox
2001-07-05  6:34     ` Ragnar Kjørstad
2001-07-05  7:35       ` Ben LaHaise
2001-07-13 18:20         ` Albert D. Cahalan
2001-07-13 20:41           ` Andreas Dilger
2001-07-13 21:07             ` Chris Wedgwood
2001-07-13 22:04               ` Andreas Dilger
2001-07-14  0:49                 ` Jonathan Lundell
2001-07-14 12:27                 ` Paul Jakma
2001-07-14 14:48                   ` Chris Wedgwood
2001-07-14 15:42                     ` Paul Jakma
2001-07-14 17:18                       ` Chris Wedgwood
2001-07-20 17:03                       ` Stephen C. Tweedie
2001-07-16 18:53                   ` Andreas Dilger
2001-07-16 19:13                     ` Ragnar Kjørstad
2001-07-13 21:14             ` Alan Cox
2001-07-14  3:23               ` Andrew Morton
2001-07-14  8:45                 ` Alan Cox
2001-07-14 14:50                   ` Chris Wedgwood
2001-07-14 20:11                     ` Daniel Phillips [this message]
2001-07-15  1:21                       ` Andrew Morton
2001-07-15  1:53                         ` Daniel Phillips
2001-07-15  3:36                       ` Chris Wedgwood
2001-07-15  6:05                         ` John Alvord
2001-07-15  6:07                           ` Chris Wedgwood
2001-07-15 13:16                             ` Ken Hirsch
2001-07-15 14:50                               ` Chris Wedgwood
2001-07-15 22:14                               ` Daniel Phillips
2001-07-17  0:31                             ` Juan Quintela
2001-07-15 13:44                         ` Daniel Phillips
2001-07-15 14:39                           ` Chris Wedgwood
2001-07-15 15:32                             ` Alan Cox
2001-07-15 15:33                               ` Chris Wedgwood
2001-07-15 16:24                               ` Chris Wedgwood
2001-07-15 15:06                           ` Jonathan Lundell
2001-07-15 15:22                             ` Chris Wedgwood
2001-07-15 17:44                             ` Jonathan Lundell
2001-07-15 17:47                             ` Justin T. Gibbs
2001-07-15 23:14                               ` Rod Van Meter
2001-07-16  0:37                                 ` Jonathan Lundell
2001-07-16 15:11                                   ` Rod Van Meter
2001-07-16  8:56                               ` Chris Wedgwood
2001-07-16 13:19                                 ` Daniel Phillips
2001-07-16  1:08                           ` Albert D. Cahalan
2001-07-16  8:49                             ` Chris Wedgwood
2001-07-21 19:18                             ` Alexander Griesser
2001-07-22  3:52                               ` Albert D. Cahalan
2001-07-23 14:41                                 ` Daniel Phillips
2001-07-24  4:29                                   ` Albert D. Cahalan
2001-07-24 11:45                                     ` Daniel Phillips
2001-07-14 15:41                   ` Jonathan Lundell
2001-07-14 17:00                     ` Chris Wedgwood
2001-07-14 17:33                   ` Jonathan Lundell
2001-07-15  4:02                     ` Chris Wedgwood
2001-07-15  5:46                     ` Jonathan Lundell
2001-07-15 17:10                   ` Chris Wedgwood
2001-07-15 17:39                   ` Jonathan Lundell
2001-07-26  2:18     ` Ragnar Kjørstad
2001-07-26 16:24       ` Andreas Dilger
2001-08-10 19:42       ` Ben LaHaise
2001-08-10 19:51       ` Ragnar Kjørstad
2001-08-10 20:02         ` Ben LaHaise
2001-08-11  0:18           ` Steve Lord
2001-08-11 21:44       ` Matti Aarnio
2001-07-04 10:16 ` [RFC][PATCH] first cut 64 bit block support Chris Wedgwood
2001-07-04 16:59   ` Ben LaHaise
2001-07-14 15:08 [PATCH] 64 bit scsi read/write Ed Tomlinson
2001-07-19  7:35 [PATCH] 64 bit SCSI read/write Andre Hedrick

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