From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751004AbVJMM04 (ORCPT ); Thu, 13 Oct 2005 08:26:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751032AbVJMM04 (ORCPT ); Thu, 13 Oct 2005 08:26:56 -0400 Received: from clock-tower.bc.nu ([81.2.110.250]:58548 "EHLO lxorguk.ukuu.org.uk") by vger.kernel.org with ESMTP id S1751004AbVJMM0z (ORCPT ); Thu, 13 Oct 2005 08:26:55 -0400 Subject: Re: SCSI "asking for cache data failed" From: Alan Cox To: Marcin Owsiany Cc: linux-kernel@vger.kernel.org In-Reply-To: <20051013104536.GA10525@kufelek> References: <20051013104536.GA10525@kufelek> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Thu, 13 Oct 2005 13:55:54 +0100 Message-Id: <1129208154.18635.4.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-2.fc4) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Iau, 2005-10-13 at 12:45 +0200, Marcin Owsiany wrote: > I'm wondering about the following messages, which appeared when I upgraded from > 2.4 to 2.6: > > | sda: asking for cache data failed > | sda: assuming drive cache: write through > > (a larger log snippet below) The kernel asks the SCSI drive for its cache parameters. The AMI raid card sitting in the middle doesn't know how to handle this so this message occurs. It should be ok providing the raid card itself is handling the consistency correctly but check with your card vendor.