From: Jeff Garzik <jgarzik@pobox.com>
To: Thomas Horsten <thomas@horsten.com>
Cc: linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org
Subject: Re: ATARAID userspace configuration tool
Date: Tue, 10 Feb 2004 13:44:41 -0500 [thread overview]
Message-ID: <40292699.7070200@pobox.com> (raw)
In-Reply-To: <Pine.LNX.4.40.0402101743020.28534-100000@jehova.dsm.dk>
Thomas Horsten wrote:
> That's true of course, one example would be to remove the RAID superblock
> with dd. The problem is if this is done by mistake, it could be
> catastrophic. It might be enough to remove the wrong partitions (with
> BLKPG_DEL_PARTITION, thanks to Matt Domsch for pointing me in the right
> direction), it will at least prevent mkfs /dev/hda1 etc, which would have
> unforeseeable consequences.
There are 1001 things that could have unforseen consequences, when root
is doing something ;-)
This is getting into the area of standard Linux kernel policy (or lack
thereof): let root shoot himself in the foot, if he wishes.
I would certainly -want- to be able to dd -from- my underlying disks,
even if an ataraid or md device is sitting on top, for example.
Jeff
next prev parent reply other threads:[~2004-02-10 18:44 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-10 14:18 ATARAID userspace configuration tool Thomas Horsten
2004-02-10 14:51 ` Matt Domsch
2004-02-10 14:58 ` Christophe Saout
2004-02-10 18:26 ` Kevin P. Fleming
2004-02-10 19:18 ` Christophe Saout
2004-02-10 19:24 ` Kevin P. Fleming
2004-02-11 1:35 ` Greg KH
2004-02-11 1:45 ` Kevin P. Fleming
2004-02-11 11:34 ` Christophe Saout
2004-02-11 14:18 ` Kevin P. Fleming
2004-02-11 19:48 ` Christophe Saout
2004-02-10 17:38 ` Jeff Garzik
2004-02-10 17:47 ` Thomas Horsten
2004-02-10 18:44 ` Jeff Garzik [this message]
2004-02-10 22:41 ` Neil Brown
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