From mboxrd@z Thu Jan 1 00:00:00 1970 From: Phil Turmel Subject: Re: md: kicking non-fresh sdf3 from array! Date: Thu, 27 Dec 2012 15:25:17 -0500 Message-ID: <50DCAEAD.3090205@turmel.org> References: <50DCA819.80809@turmel.org> <50DCAE69.1080003@turmel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <50DCAE69.1080003@turmel.org> Sender: linux-raid-owner@vger.kernel.org To: Mark Knecht Cc: linux-raid List-Id: linux-raid.ids Whoops! The list was dropped... On 12/27/2012 03:24 PM, Phil Turmel wrote: > On 12/27/2012 03:20 PM, Mark Knecht wrote: >> Thanks Phil, >> I've added the device back in and the rebuild is proceeding. >> >> So the new piece of info here for me is this idea of a bitmap. I'll >> have to go look into that, but a quick question - is that something >> that can be added to the RAID6 at this time, or can you only do that >> when you first build it? As I have some issue with my (possibly) >> initramfs I expect I'll kick the devices a few more times before I get >> it worked out. Would be nice if putting the disk back in didn't take >> so long. > > You can add a bitmap to any v1.x array after the fact with "--grow". It > does add a little overhead to the write path, so you might not want it > in a heavily loaded server. For a test-bed or other system prone to > crashes, it's a godsend. > > Phil >