From mboxrd@z Thu Jan 1 00:00:00 1970 From: Piergiorgio Sartor Subject: Re: manually destriping a 4 drive raid5 with one missing drive Date: Fri, 23 Oct 2015 17:53:24 +0200 Message-ID: <20151023155324.GA2555@lazy.lzy> References: <87fv19m7he.fsf@notabene.neil.brown.name> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: Marek Cc: Linux-RAID List-Id: linux-raid.ids On Fri, Oct 23, 2015 at 11:26:12AM +0200, Marek wrote: > I have a 4 2TB disk raid5 512k 1.2. > one of the drives was accidentally wiped by ubuntu installation > (/dev/sda, first drive). The system has been rebooted forcefully > several times before this happened. Raid wouldn't come up after that. > The first drive has been -add ed back and a resync has been enforced. > What i'd like to do is to manually destrip the raid. Hi Marek, excuse my ignorance, but what does it mean "destrip" a RAID? Could you please point to some technical reference or, maybe, spend few more words to clarify the concept? Thanks, bye, -- piergiorgio