From mboxrd@z Thu Jan 1 00:00:00 1970 From: Brad Campbell Subject: Re: Possible to rescue SW Raid5 with 2 missing Disks Date: Fri, 15 Feb 2013 19:14:24 +0800 Message-ID: <511E1890.6060708@fnarfbargle.com> References: <20130214213908.282850@gmx.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: Mikael Abrahamsson Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids On 15/02/13 17:57, Mikael Abrahamsson wrote: > On Thu, 14 Feb 2013, Dragon wrote: > >> I heart that -force could be result in more problems - right? i do >> asswell: > > Compared to the trouble people get into when getting --create > --assume-clean and getting it wrong, I'd say --force is *nothing*. > > --force needs drives that have similar event count, if they're too far > apart (one drive for instance), then that specific drive shouldn't be > used when assembling. > To the point I've been ready to submit a patch for --assume-clean along the lines of what hdparm does and makes you also attach --please-destroy-my-disk before it'll work. --assume-clean is great for those that need it, but for the great majority who rely on google and wikis it's a data-destroyer. Not mdadm's fault however. More the twits who wrote the wikis.