From mboxrd@z Thu Jan 1 00:00:00 1970 From: Luben Tuikov Subject: Re: [PATCH] make the SCSI mid-layer obey the device online flag Date: Fri, 06 Jun 2003 19:21:28 -0400 Sender: linux-scsi-owner@vger.kernel.org Message-ID: <3EE121F8.2050807@rogers.com> References: <1054742495.1674.18.camel@mulgrave> <20030604165146.GA1426@beaverton.ibm.com> <1054754103.2360.8.camel@mulgrave> <20030606073603.A13259@infradead.org> <3EE0B316.4060207@rogers.com> <20030606214920.A3240@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from fep02-mail.bloor.is.net.cable.rogers.com ([66.185.86.72]:19937 "EHLO fep02-mail.bloor.is.net.cable.rogers.com") by vger.kernel.org with ESMTP id S262356AbTFFXHy (ORCPT ); Fri, 6 Jun 2003 19:07:54 -0400 In-Reply-To: <20030606214920.A3240@infradead.org> List-Id: linux-scsi@vger.kernel.org To: Christoph Hellwig Cc: James Bottomley , Mike Anderson , SCSI Mailing List , Alan Stern Christoph Hellwig wrote: > On Fri, Jun 06, 2003 at 11:28:22AM -0400, Luben Tuikov wrote: > >>James was talking about ``device server not ready'' aliased to >>online -- i.e. if online is 0 then only INQUIRY or TUR should >>be sent from SCSI Core (unless SCSI Core decides to _know_ about >>the different ULP). The semantics on this are somewhat touched >>in the INQUIRY description in SPC-3. > > > Okay, I thought about device physically no more present on the > bus for !online. > > >>(This means that the device is on the SAN, but not ready to >>process commands.) >> >>You're talking about hardware removal -- more specifically >>logical removal of a host > > > host or device. Think about sbp2/ieee1394 or FC. Did you mean to write something more? -- Luben