From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: ATARAID userspace configuration tool Date: Tue, 10 Feb 2004 13:44:41 -0500 Sender: linux-raid-owner@vger.kernel.org Message-ID: <40292699.7070200@pobox.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: To: Thomas Horsten Cc: linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org List-Id: linux-raid.ids 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