From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Mon, 30 Dec 2002 12:43:50 -0700 To: "Buechler, Mark R" Cc: "'parisc-linux@lists.parisc-linux.org'" Subject: Re: [parisc-linux] A3308 fibre SCSI bridge support Message-ID: <20021230194350.GE20066@dsl2.external.hp.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: From: grundler@dsl2.external.hp.com (Grant Grundler) Sender: parisc-linux-admin@lists.parisc-linux.org Errors-To: parisc-linux-admin@lists.parisc-linux.org List-Help: List-Post: List-Subscribe: , List-Id: parisc-linux developers list List-Unsubscribe: , List-Archive: On Mon, Dec 30, 2002 at 10:13:24AM -0500, Buechler, Mark R wrote: > Configuring the MUX isn't a problem. ok. > What I'd like to do is access the SCSI > devices connected to the MUX from Linux. From a Linux host I see the MUX as > a single target. Can you copy the output here? I'm curious how it's reported. > I wouldn't think any changes would be necessary for the FC > driver but rather a separate driver would exist that scans for the MUX and > uses the Linux sg driver to communicate with it. the sg driver is a passthru interface and doesn't present a "random access mass storage device" view. sg would be used to configure the MUX and sd to access the devices behind it. My point was the existing FC interface drivers already present FC storage devices (eg disks or arrays) via "sd" driver and don't know how to talk to devices that aren't "transperent" (ie invisible nodes in the FC fabric).