From mboxrd@z Thu Jan 1 00:00:00 1970 From: Neil Brown Subject: Re: Accidental grow before add Date: Tue, 5 Oct 2010 16:18:03 +1100 Message-ID: <20101005161803.0ddc874b@notabene> References: <193703.58642.qm@web51305.mail.re2.yahoo.com> <20100928171451.27293d0o1kotcfi8@cakebox.homeunix.net> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20100928171451.27293d0o1kotcfi8@cakebox.homeunix.net> Sender: linux-raid-owner@vger.kernel.org To: Nagilum Cc: Mike Hartman , Jon@ehardcastle.com, linux-raid@vger.kernel.org List-Id: linux-raid.ids On Tue, 28 Sep 2010 17:14:51 +0200 Nagilum wrote: > > ----- Message from mike@hartmanipulation.com --------- > > >> I am more interested to know why it kicked off a reshape that would > >> leave the array in a degraded state without a warning and > >> needing a '--force' are you sure there wasn't capacity to 'grow' anyway? > > > > Positive. I had no spare of any kind and mdstat was showing all disks > > were in use. > > Yep, a warning/safety net would be good. At the moment mdadm assumes > you know what you're doing. > I've added this to my list of possible enhancements for mdadm-3.2 Thanks, NeilBrown