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In the Linux kernel, there is a setting "FireWire SBP-2 fabric module". I do not understand the documentation:

Say Y or M here to enable SCSI target functionality over FireWire. This enables you to expose SCSI devices to other nodes on the FireWire bus, for example hard disks.

What is the use of this feature? That is, what is it for? Why would someone need to enable this driver?

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Downvoting this because a simple Google search for 'linux scsi over firewire' yields pages like this one [1] where it's all explained. [1] linux-iscsi.org/wiki/Target – schaiba Sep 20 '13 at 16:31
@schaiba If you're not familiar with enterprise storage terminology, that page is pretty opaque. This isn't Serverfault, everyone isn't assumed to be a professional sysadmin. – derobert Sep 20 '13 at 16:33
True, and I don't want to be an a**. But some basic research is expected, in my opinion. That page was given as an example. – schaiba Sep 20 '13 at 16:36
@schaiba I did a quick search, and most of them seem to be full of storage jargon. E.g., lwn.net/Articles/491633 is too. – derobert Sep 20 '13 at 16:40
@derobert, thanks for your comments. For it to be so "simple", I find it odd that schaiba never answered the question. – Devyn Collier Johnson Sep 20 '13 at 17:58
up vote 2 down vote accepted

Simply put: it lets the computer pretend to be a disk drive as far as the computer on the other end of the cable is concerned.

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Thanks! That is understandable now. – Devyn Collier Johnson Sep 20 '13 at 17:59

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