From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stef Telford Subject: Re: Software RAID level 1 issue Date: 31 May 2003 15:39:33 -0400 Sender: linux-raid-owner@vger.kernel.org Message-ID: <1054409970.14937.296.camel@testlin.hades> References: <1054403067.14818.280.camel@testlin.hades> <3ED7B898.4409555F@SteelEye.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <3ED7B898.4409555F@SteelEye.com> To: Paul Clements , linux-raid@vger.kernel.org List-Id: linux-raid.ids Paul Clements wrote: > Stef Telford wrote: > > [snip] > > > during resync's on raid-1 the mirror will not be available. > > I'm not sure I understand this. md/raid1 devices are accessible while > resync is occurring...albeit with lower I/O throughput since the resync > is consuming bandwidth. > The way i read the original posters question was that he/she was trying to restart the faulted 'device', or rather was trying to re-activate the broken md device whilst the working copy was trying to rebuild it. accessing the working copy should work, but not the broken md (unless i have seriously misread someplace :). Under raid5 or raid10, you can still access the broken md during a resync/rebuild, this was what i thought the person was trying to do. apologies if i misunderstood the original phrasing :) regards Stef Telford