From mboxrd@z Thu Jan 1 00:00:00 1970 From: Neil Brown Subject: Re: stopped array, but /sys/block/mdN still exists. Date: Thu, 3 Jan 2008 15:44:17 +1100 Message-ID: <18300.26657.7543.315722@notabene.brown> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: message from Jon Nelson on Wednesday January 2 Sender: linux-raid-owner@vger.kernel.org To: Jon Nelson Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids On Wednesday January 2, jnelson-linux-raid@jamponi.net wrote: > This isn't a high priority issue or anything, but I'm curious: > > I --stop(ped) an array but /sys/block/md2 remained largely populated. > Is that intentional? It is expected. Because of the way that md devices are created (just open the device-special file), it is very hard to make them disappear in a race-free manner. I tried once and failed. It is probably getting close to trying again, but as you say: it isn't a high priority issue. NeilBrown