linux-kernel - Re: [PATCH] scsi: target/sbp: remove firewire SBP target driver

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Message-ID: <alpine.LNX.2.22.394.2006171310520.11@nippy.intranet>
Date:   Wed, 17 Jun 2020 14:21:39 +1000 (AEST)
From:   Finn Thain <fthain@...egraphics.com.au>
To:     "Martin K. Petersen" <martin.petersen@...cle.com>
cc:     Chris Boot <bootc@...tc.net>, linuxppc-dev@...ts.ozlabs.org,
        target-devel@...r.kernel.org, linux-scsi@...r.kernel.org,
        linux1394-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, Bart Van Assche <bvanassche@....org>,
        Chuhong Yuan <hslester96@...il.com>,
        Nicholas Bellinger <nab@...ux-iscsi.org>,
        Stefan Richter <stefanr@...6.in-berlin.de>
Subject: Re: [PATCH] scsi: target/sbp: remove firewire SBP target driver

On Tue, 16 Jun 2020, Martin K. Petersen wrote:

> > I haven't used this driver for a long time, but I still own PowerMacs 
> > with firewire, and I know I'm not the only one.
> 

I need to correct what I wrote above. I recall that years ago, when I 
needed to share storage from my Linux box to my PowerBook pismo, I used 
ethernet and the globalSAN iSCSI initiator for Mac OS X (which is no 
longer freely available AFAICS). When I said that I had used the SBP 
target driver before, I misremembered that iSCSI target setup. I've 
actually never used the SBP target driver.

> I also have old 1394 hardware kicking around in the basement. But having 
> worked with FireWire shared storage targets in the past, I have zero 
> desire to ever touch any of that again.
> 
> I could understand an objection if we were to entertain removing sbp2. 
> But really, how many people are setting up FireWire targets?
> 

It's a good question. I don't know the answer.

I have successfully used the Linux sbp2 host driver in the past, and will 
probably need to use it again. Likewise, I can see myself using the sbp 
target driver in the future because that might interoperate with MacOS 9, 
and might provide a bootable device to the PowerMac ROM. iSCSI cannot do 
those things.