[RFC] SCSI target for IBM Power5 LPAR

Mike Christie michaelc at cs.wisc.edu
Thu Sep 8 04:56:38 EST 2005


Vladislav Bolkhovitin wrote:
> Dave C Boutcher wrote:
> 
>> On Wed, Sep 07, 2005 at 12:49:32PM +0200, Christoph Hellwig wrote:
>>
>>> On Tue, Sep 06, 2005 at 04:28:01PM -0500, Dave C Boutcher wrote:
>>>
>>>> This device driver provides the SCSI target side of the "virtual
>>>> SCSI" on IBM Power5 systems.  The initiator side has been in mainline
>>>> for a while now (drivers/scsi/ibmvscsi/ibmvscsi.c.)  Targets already
>>>> exist for AIX and OS/400.
>>>
>>>
>>> Please try to integrate that with the generic scsi target framework at
>>> http://developer.berlios.de/projects/stgt/.
>>
>>
>>
>> There hasn't been a lot of forward progress on stgt in over a year, and
>> there were some issues (lack of scatterlist support, synchronous and
>> serial command execution) that were an issue when last I looked.
>>
>> Vlad, can you comment on the state of stgt and whether you see it
>> being ready for mainline any time soon?
> 
> 
> Sorry, I can see on stgt page only mail lists archive and not from start 
> (from Aug 22). Mike, can I see stgt code and some design description, 
> please? You can send it directly on my e-mail address, if necessary.


goto the svn page for the code
http://developer.berlios.de/svn/?group_id=4492

As for design desc, I do not have anything. It is the evolving source :) 
We are slowly merging leasons we learned from open-iscsi, your SCST 
code, the available software and HW targets, and the SCSI ULD's 
scatterlist code which needs redoing so it is a bit of a mess.



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