From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Bottomley Subject: Re: Request for review of Linux iSCSI driver version 4.0.0.1 Date: 11 Nov 2003 09:40:12 -0800 Sender: linux-scsi-owner@vger.kernel.org Message-ID: <1068572414.1815.30.camel@mulgrave> References: <20031027153932.A16679@infradead.org> <018b01c39e1f$e013bab0$a0074d0a@apac.cisco.com> <20031029134557.A17523@infradead.org> <03111117263601.01918@naveenb-lnx.cisco.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: Received: from nat9.steeleye.com ([65.114.3.137]:60420 "EHLO hancock.sc.steeleye.com") by vger.kernel.org with ESMTP id S263639AbTKKRlj (ORCPT ); Tue, 11 Nov 2003 12:41:39 -0500 In-Reply-To: <03111117263601.01918@naveenb-lnx.cisco.com> List-Id: linux-scsi@vger.kernel.org To: naveenb@cisco.com Cc: 'Christoph Hellwig' , SCSI Mailing List , davmyers@cisco.com On Tue, 2003-11-11 at 03:56, Naveen Burmi wrote: > During shutdown iSCSI driver gets signal to stop itself. In turn iSCSI driver > umounts all the partitions present of iSCSI disks, makes all the iSCSI disks > unavailble to the system and gracefully terminate. > But if iSCSI disk contains the root partition OR is part of root partition > then iSCSI driver must not try to umount the root partition and the iSCSI > disks must be available until the buffer cache gets flushed properly. For > this to happen iSCSI driver must be aware of all the iSCSI disk(s) that > constitute the root partition/devices. I see what you're trying to do, but I don't see how this is any different from the NFS root problem, which has already been long solved in distribution startup systems. James