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Old 07-24-2013, 01:57 PM   #1
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Newb wants some help with Esata target mode

I'm wanting to setup a device as a iscsi initiator and a esata target


the device I've bought (awaiting delivery) should be able to do it but I'm told I need to rebuild the kernel with some changes (and I don't know how)

Could someone that's more well versed with linux help me with this project?

the device I'll be using is a CUbox

and I've found a source for dealing with the esata crossover (one place that'll make the cable and I'm also going to make a pcb crossover)
Old 07-24-2013, 03:26 PM   #2
Ser Olmy
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Until a few minutes ago, I had no idea you could put a SATA port in "target mode". This sounds like a very interesting project.

I found a slightly old thread on the linux-ide mailing list about SATA Target Mode, and the consensus then seemed to be that it should be possible with most if not all SATA chipsets, but that documentation is lacking and none of the current SATA drivers support it.

You could try posting a question to that list and see if anything has changed in the last 18 months.
Old 07-24-2013, 03:36 PM   #3
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Well the post I linked the person posted the drivers to do it, just no the how to.

I e-mailed him and he said it'd been along time but that it involves replacing the native sata driver in the kernal and a few other things

"Just a short note that I managed to get the code working with 88SX7042

PCI-e on a "normal" PC using JMicron JMB363 (AHCI) as initiator. For now
I disabled mvChannelNotConnectedStateHandler completly, as it removes
SATA channel before connection is established. The patch is quite short:-)"

the sata contoller in 510 (dove) is very similar to the on in 7042, so it should work, but that won't be straightforward, please try to get Rabeeh's help with that.
that's not as easy as that, you need to disable the kernel sata driver sata_mv.c, port the sata target driver to your kernel, and then do the modification I mentioned before.
So I think with this info I just need a little how to to complete it


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