From: erik quanstrom <quanstro@coraid.com>
To: mirtchovski@gmail.com, 9fans@9fans.net
Subject: Re: [9fans] How to get the diagnostics of fs(3)
Date: Wed, 15 Oct 2008 12:19:32 -0400 [thread overview]
Message-ID: <d1e62424fe2073c736b5589d80c77a70@coraid.com> (raw)
In-Reply-To: <14ec7b180810150854i575d0f90qafc949b928613e3c@mail.gmail.com>
> back when i had mirroring via devfs (some three years ago now) i used
> 'cmp' to verify that the disks were being correctly written to and
> that no errors have occurred. i ran cmp from the nigtly log at least
> couple of times a week.
that's a good idea.
when using the mirror device, no write error is issued unless all mirrored
copies are unwritable. this would make me nervous since without a
checksum, it's hard to know which copy is good.
(/n/sources/plan9/sys/src/9/port/devfs.c:697)
- erik
next prev parent reply other threads:[~2008-10-15 16:19 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-15 8:28 Christian Kellermann
2008-10-15 8:39 ` Fco. J. Ballesteros
2008-10-15 8:47 ` Christian Kellermann
2008-10-15 9:13 ` Fco. J. Ballesteros
2008-10-15 15:48 ` ron minnich
2008-10-15 15:54 ` andrey mirtchovski
2008-10-15 16:19 ` erik quanstrom [this message]
2008-10-15 18:37 ` Christian Kellermann
2008-10-16 0:57 ` erik quanstrom
2008-10-16 7:38 ` Christian Kellermann
2008-10-15 12:42 ` erik quanstrom
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