[Stgt-devel] tape drive not supported yet?

[Albert Pauw]

Mark Harvey wrote:
> On Thu, Jul 17, 2008 at 2:57 PM, FUJITA Tomonori
> <fujita.tomonori at lab.ntt.co.jp> wrote:
>   
>> On Wed, 16 Jul 2008 16:51:38 +0900
>> FUJITA Tomonori <fujita.tomonori at lab.ntt.co.jp> wrote:
>>
>>     
>>> On Sat, 12 Jul 2008 19:40:21 +0200
>>> Albert Pauw <albert.pauw at gmail.com> wrote:
>>>
>>>       
>>>> Tried to set up a tape drive target:
>>>>
>>>> LUN=$(($LUN+1))
>>>> ID=Tape
>>>> SN=54321
>>>> tgtadm --lld iscsi --op new --mode logicalunit --tid $TID --lun $LUN \
>>>> --device-type tape
>>>>
>>>> Unfortunately, tgtadm tells me:
>>>>
>>>> tgtadm: type emulation isn't supported yet
>>>>
>>>> Is this correct?
>>>>         
>>> You are talking about vtl, right?
>>>
>>> Here's aftab azmi's vtl patch:
>>>
>>> https://lists.berlios.de/pipermail/stgt-devel/2008-May/001610.html
>>>
>>> I've cleaned up it and my initiator can find a tape drive with this
>>> pathc. However, seems that this patch has several issues to solve.
>>>
>>> Mark's comments are:
>>>
>>> https://lists.berlios.de/pipermail/stgt-devel/2008-May/001622.html
>>>
>>> I need vtl to just work on the tape initiator driver. I'll try to
>>> improve the vtl support but probabaly I don't have time to make the
>>> vtl support good enough for real usage.
>>>       
>> BTW, I'll merge this patch unless someone is against it.
>>     
>
> No arguments from my end.
>
> I've been attempting to get what I have in some sort of state that will:
> a) compile cleanly
> b) have some basic structure to work from.
> c) have something in basic (read block / write block of data) working order.
>
> Just when I find time to get point a), I rebase and am back to
> cleaning up the conflicts..
> Then I look over what I've done and decide that the code should not be
> inflicted on anybody :)
>
>   
>> As discussed, it's not finished at all, but it's easier to work with
>> the in-tree code rather than out-of-tree code.
>>
>>     
>
> Agreed.
>
> Cheers
> Mark
>   
Thanks guys!

Appreciate all the work done so far!

Tried it already, the tape device seems to have issues with the eof mark.

Albert