From: "Roman V. Shaposhnik" <rvs@sun.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] Changelogs & Patches?
Date: Sun, 25 Jan 2009 22:28:21 -0800 [thread overview]
Message-ID: <1232951301.22808.105.camel@goose.sun.com> (raw)
In-Reply-To: <4ca84802efec71a6aa8363cf94ac0f58@quanstro.net>
On Tue, 2009-01-20 at 21:02 -0500, erik quanstrom wrote:
> > In such a setup a corrupted block from a fossil
> > partition will go undetected and could end up
> > being stored in venti. At that point it will become
> > venti "problem".
>
> it's important to keep in mind that fossil is just a write buffer.
> it is not intended for the perminant storage of data.
Sure. But it must store the data *intact* long enough
for me to be able to do a snap. It has to be able to
at least warn me about data corruption.
> while corrupt data could end up in venti, the exposure lies only
> between snapshots. you can rollback to the previous good
> score and continue.
That is my *entire* point. If fossil doesn't tell you that
the data in its buffer was/is corrupted -- you have no
reason to rollback.
Thanks,
Roman.
next prev parent reply other threads:[~2009-01-26 6:28 UTC|newest]
Thread overview: 91+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-22 15:27 Venkatesh Srinivas
2008-12-22 15:29 ` erik quanstrom
2008-12-22 16:41 ` Charles Forsyth
2008-12-25 6:34 ` Roman Shaposhnik
2008-12-25 6:40 ` erik quanstrom
2008-12-26 4:28 ` Roman Shaposhnik
2008-12-26 4:45 ` lucio
2008-12-26 4:57 ` Anthony Sorace
2008-12-26 6:19 ` blstuart
2008-12-27 8:00 ` Roman Shaposhnik
2008-12-27 11:56 ` erik quanstrom
2008-12-30 0:31 ` Roman Shaposhnik
2008-12-30 0:57 ` erik quanstrom
2009-01-05 5:19 ` Roman V. Shaposhnik
2009-01-05 5:28 ` erik quanstrom
2008-12-22 17:03 ` Devon H. O'Dell
2008-12-23 4:31 ` Uriel
2008-12-23 4:46 ` Nathaniel W Filardo
2008-12-25 6:50 ` Roman Shaposhnik
2008-12-25 14:37 ` erik quanstrom
2008-12-26 13:27 ` Charles Forsyth
2008-12-26 13:33 ` Charles Forsyth
2008-12-26 14:27 ` tlaronde
2008-12-26 17:25 ` blstuart
2008-12-26 18:14 ` tlaronde
2008-12-26 18:20 ` erik quanstrom
2008-12-26 18:52 ` tlaronde
2008-12-26 21:44 ` blstuart
2008-12-26 22:04 ` Eris Discordia
2008-12-26 22:30 ` erik quanstrom
2008-12-26 23:00 ` blstuart
2008-12-27 6:04 ` Eris Discordia
2008-12-27 10:36 ` tlaronde
2008-12-27 16:27 ` Eris Discordia
2008-12-29 23:54 ` Roman Shaposhnik
2008-12-30 0:13 ` hiro
2008-12-30 1:07 ` erik quanstrom
2008-12-30 1:48 ` Charles Forsyth
2008-12-30 13:18 ` Uriel
2008-12-30 15:06 ` C H Forsyth
2008-12-30 17:31 ` Uriel
2008-12-31 1:58 ` Noah Evans
2009-01-03 22:03 ` sqweek
2009-01-05 5:05 ` Roman V. Shaposhnik
2009-01-05 5:12 ` erik quanstrom
2009-01-06 5:06 ` Roman Shaposhnik
2009-01-06 13:55 ` erik quanstrom
2009-01-05 5:24 ` andrey mirtchovski
2009-01-06 5:49 ` Roman Shaposhnik
2009-01-06 14:22 ` andrey mirtchovski
2009-01-06 16:19 ` erik quanstrom
2009-01-06 23:23 ` Roman V. Shaposhnik
2009-01-06 23:44 ` erik quanstrom
2009-01-08 0:36 ` Roman V. Shaposhnik
2009-01-08 1:11 ` erik quanstrom
2009-01-20 6:20 ` Roman Shaposhnik
2009-01-20 14:19 ` erik quanstrom
2009-01-20 22:30 ` Roman V. Shaposhnik
2009-01-20 23:36 ` erik quanstrom
2009-01-21 1:43 ` Roman V. Shaposhnik
2009-01-21 2:02 ` erik quanstrom
2009-01-26 6:28 ` Roman V. Shaposhnik [this message]
2009-01-26 13:42 ` erik quanstrom
2009-01-26 16:15 ` Roman V. Shaposhnik
2009-01-26 16:39 ` erik quanstrom
2009-01-27 4:45 ` Roman Shaposhnik
2009-01-21 19:02 ` Uriel
2009-01-21 19:53 ` Steve Simon
2009-01-24 3:15 ` Roman V. Shaposhnik
2009-01-24 3:36 ` erik quanstrom
2009-01-26 6:21 ` Roman V. Shaposhnik
2009-01-26 13:53 ` erik quanstrom
2009-01-26 16:21 ` Roman V. Shaposhnik
2009-01-26 17:37 ` erik quanstrom
2009-01-27 4:51 ` Roman Shaposhnik
2009-01-27 5:44 ` erik quanstrom
2009-01-21 20:01 ` erik quanstrom
2009-01-24 3:19 ` Roman V. Shaposhnik
2009-01-24 3:25 ` erik quanstrom
2009-01-20 6:48 ` Roman Shaposhnik
2009-01-20 14:13 ` erik quanstrom
2009-01-20 16:19 ` Steve Simon
2009-01-20 23:52 ` andrey mirtchovski
2009-01-21 4:49 ` Dave Eckhardt
2009-01-21 6:38 ` Steve Simon
2009-01-21 14:02 ` erik quanstrom
2009-01-26 6:16 ` Roman V. Shaposhnik
2009-01-26 16:22 ` Russ Cox
2009-01-26 19:42 ` Roman V. Shaposhnik
2009-01-26 20:11 ` Steve Simon
2008-12-27 7:40 ` Roman Shaposhnik
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