From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: hdaprm -Y /dev/sda /dev/sdb -> I/O error -> disk kicked out of RAID - is it normal? Date: Fri, 17 Jul 2009 13:12:54 +0900 Message-ID: <4A5FFA46.1070203@kernel.org> References: <4A5FB1DD.3000904@wpkg.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from hera.kernel.org ([140.211.167.34]:53659 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751421AbZGQEM6 (ORCPT ); Fri, 17 Jul 2009 00:12:58 -0400 In-Reply-To: <4A5FB1DD.3000904@wpkg.org> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tomasz Chmielewski Cc: linux-raid@vger.kernel.org, linux-ide@vger.kernel.org Tomasz Chmielewski wrote: > And one of the disks is kicked out of RAID. > > Is it expected behaviour (although probably the error happens somewhere > in the ata layer)? Yes, it's expected. Wakeup requires reset via EH and md requests have FAILFAST flag set, so they never get retried. The behavior can be changed tho. Hmmm... not entirely sure what to do at this point. Thanks. -- tejun