From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tim Moore Subject: Re: Is there any way to delay reconstruction Date: Wed, 25 May 2005 08:09:05 -0700 Message-ID: <42949511.3@nsr500.net> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org List-Id: linux-raid.ids Recompile with piix in the kernel. danci@agenda.si wrote: > Hi, > > I have 800+ machines all using Linux SW RAID-1. Recent kernels use modules > for IDE (piix) and before those modules are loaded, I cannot turn on DMA. > So I do this using hdparm from a rc.boot script. > > The problem is that usually fails with 'hdX: lost interrupt' if the disks > are busy due to RAID reconstruction - which happens a lot as some of the > 800+ machines get rebooted for various reasons... > > Of course I could be running without DMA (that's what I did on most > critical machines), but that is painfully slow and it takes forever just > to finish RAID reconstruction. > > So I need to know if there is any way (kernel parameter would be ideal) to > delay reconstruction for X seconds/minutes? > > Any other suggestions to deal with the problem? > > Thanks, Danilo > - > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > --