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From: "Alan" <alan@clueserver.org>
To: "Al Boldi" <a1426z@gawab.com>
Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFD] Incremental fsck
Date: Tue, 8 Jan 2008 13:31:51 -0800 (PST)	[thread overview]
Message-ID: <60808.198.182.194.170.1199827911.squirrel@clueserver.org> (raw)
In-Reply-To: <200801090022.55589.a1426z@gawab.com>

> Andi Kleen wrote:
>> Theodore Tso <tytso@mit.edu> writes:
>> > Now, there are good reasons for doing periodic checks every N mounts
>> > and after M months.  And it has to do with PC class hardware.  (Ted's
>> > aphorism: "PC class hardware is cr*p").
>>
>> If these reasons are good ones (some skepticism here) then the correct
>> way to really handle this would be to do regular background scrubbing
>> during runtime; ideally with metadata checksums so that you can actually
>> detect all corruption.
>>
>> But since fsck is so slow and disks are so big this whole thing
>> is a ticking time bomb now. e.g. it is not uncommon to require tens
>> of minutes or even hours of fsck time and some server that reboots
>> only every few months will eat that when it happens to reboot.
>> This means you get a quite long downtime.
>
> Has there been some thought about an incremental fsck?

Is that anything like a cluster fsck? ]:>

  reply	other threads:[~2008-01-08 21:42 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-08 21:22 Al Boldi
2008-01-08 21:31 ` Alan [this message]
2008-01-09  9:16   ` Andreas Dilger
2008-01-12 23:55     ` Daniel Phillips
2008-01-08 21:41 ` Rik van Riel
2008-01-09  4:40   ` Al Boldi
2008-01-09  7:45     ` Valerie Henson
2008-01-09 11:52       ` Al Boldi
2008-01-09 14:44         ` Rik van Riel
2008-01-10 13:26           ` Al Boldi
2008-01-12 14:51         ` Theodore Tso
2008-01-13 11:05           ` Al Boldi
2008-01-13 17:19           ` Pavel Machek
2008-01-13 17:41             ` Alan Cox
2008-01-15 20:16               ` [Patch] document ext3 requirements (was Re: [RFD] Incremental fsck) Pavel Machek
2008-01-15 21:43                 ` David Chinner
2008-01-15 23:07                   ` Pavel Machek
2008-01-15 23:44                     ` Daniel Phillips
2008-01-16  0:15                       ` Alan Cox
2008-01-16  1:24                         ` Daniel Phillips
2008-01-16  1:36                           ` Chris Mason
2008-01-17 20:54                             ` Pavel Machek
2008-01-16 19:06                           ` Bryan Henderson
2008-01-16 20:05                             ` Alan Cox
2008-01-17  2:02                             ` Daniel Phillips
2008-01-17 21:37                               ` Bryan Henderson
2008-01-17 22:45                               ` Theodore Tso
2008-01-17 22:58                                 ` Alan Cox
2008-01-17 23:18                                 ` Ric Wheeler
2008-01-18  0:31                                   ` Bryan Henderson
2008-01-18 14:23                                     ` Theodore Tso
2008-01-18 15:16                                       ` [Patch] document ext3 requirements (was Re: [RFD] Incrementalfsck) linux-os (Dick Johnson)
2008-01-19 14:53                                         ` Pavel Machek
2008-01-18 15:26                                       ` [Patch] document ext3 requirements (was Re: [RFD] Incremental fsck) Ric Wheeler
2008-01-18 20:34                                         ` Jeff Garzik
2008-01-18 22:35                                           ` Bryan Henderson
2008-01-18 15:08                                     ` H. Peter Anvin
2008-01-18 17:43                                       ` Bryan Henderson
2008-01-16 21:28                         ` Eric Sandeen
2008-01-16 11:51                       ` Pavel Machek
2008-01-16 12:20                         ` Valdis.Kletnieks
2008-01-19 14:51                           ` Pavel Machek
2008-01-16 16:38                   ` Christoph Hellwig
2008-01-16  1:44                 ` Daniel Phillips
2008-01-16  3:05                   ` Rik van Riel
2008-01-17  7:38                     ` Andreas Dilger
2008-01-16 11:49                   ` Pavel Machek
2008-01-16 20:52                     ` Valerie Henson
2008-01-17 12:29                   ` Szabolcs Szakacsits
2008-01-17 22:51                     ` Daniel Phillips
2008-01-15  1:04             ` [RFD] Incremental fsck Ric Wheeler
2008-01-14  0:22           ` Daniel Phillips
2008-01-09  8:04     ` Valdis.Kletnieks
     [not found] <9JubJ-5mo-57@gated-at.bofh.it>
     [not found] ` <9JB3e-85S-13@gated-at.bofh.it>
     [not found]   ` <9JDRm-4bR-1@gated-at.bofh.it>
     [not found]     ` <9JHLl-2dL-1@gated-at.bofh.it>
2008-01-11 14:20       ` Bodo Eggert
2008-01-12 10:20         ` Al Boldi

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