From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Hardy Subject: Re: Is there any way to delay reconstruction Date: Thu, 26 May 2005 09:07:16 -0700 Message-ID: <4295F434.60203@h3c.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: danci@agenda.si, linux-raid@vger.kernel.org List-Id: linux-raid.ids danci@agenda.si wrote: > Rebooting the 'clean' way (CTRL-ALT-DEL or 'shutdown -r now') is no > problem - it doesn't require reconstruction. > > It's 'cold' (or hardware) resets (such as power outages, silly users, > etc.) that cause that - I don't think there is much you can do about that. If/when you upgrade to 2.6.x you'll notice that even on the vast majority of abnormal reboots, it still won't reconstruct. The code in 2.6.x marks the array as "clean" very quickly after writes stop so unless the array is actually being written when it goes down, its probably okay. On a huge array, that's nearly worth the upgrade right there... -Mike