From mboxrd@z Thu Jan 1 00:00:00 1970 From: Molle Bestefich Subject: Re: MD bug or me being stupid? Date: Thu, 12 May 2005 10:55:30 +0200 Message-ID: <62b0912f050512015585a6ba5@mail.gmail.com> References: <62b0912f0504220345349335f9@mail.gmail.com> Reply-To: Molle Bestefich Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Return-path: In-Reply-To: <62b0912f0504220345349335f9@mail.gmail.com> Content-Disposition: inline Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org Cc: neilb@cse.unsw.edu.au List-Id: linux-raid.ids On 4/22/05, Molle Bestefich wrote: > Just upgraded a MD RAID 5 box to 2.6.11 from 2.4.something. > > Found out one disk was failing completely, got a replacement from Maxtor. Neat. > Replaced disk, rebooted.. > Added the new disk to the array with 'raidhotadd'. > MD started syncing. > > A couple of minutes into the process, it started *seriously* spamming > the console with messages: > > ========================== > Apr 22 01:47:00 linux kernel: ..<6>md: syncing RAID array md1 > Apr 22 01:47:00 linux kernel: md: minimum _guaranteed_ reconstruction > speed: 1000 KB/sec/disc. > Apr 22 01:47:00 linux kernel: md: using maximum available idle IO bandwith (but > not more than 200000 KB/sec) for reconstruction. > Apr 22 01:47:00 linux kernel: md: using 128k window, over a total of > 199141632 blocks. > Apr 22 01:47:00 linux kernel: md: md1: sync done. > Apr 22 01:47:00 linux kernel: ..<6>md: syncing RAID array md1 > Apr 22 01:47:01 linux kernel: md: minimum _guaranteed_ reconstruction > speed: 1000 KB/sec/disc. > Apr 22 01:47:01 linux kernel: md: using maximum available idle IO bandwith (but > not more than 200000 KB/sec) for reconstruction. > Apr 22 01:47:01 linux kernel: md: using 128k window, over a total of > 199141632 blocks. > Apr 22 01:47:01 linux kernel: md: md1: sync done. > ========================== [snip] > afterwards, I can see that the above messages repeat themselves. > cat /var/log/messages | grep md | grep 'Apr 22 01:47:01' | grep 'sync done' > tells me that the messages were repeated 12 times per second. The Ping!... Neil, just wondering, any comments regarding this particular endless loop in MD? (Anything I can test or some such?)