[Iscsitarget-devel] who has access to SPC-3 in T10 spec ?

[Yucong Sun (叶雨飞)]

Hi,

As I said previously, I was researching to implement VAAI for ietd,
and recently I was pointed to T10 spec that has explanation of all the
VAAI primitives, the SBC spec is accessible but the SPC-3 spec is
only accessible to the T10 members. Does someone here have access to
it? I'm not even sure whether that's something I should read actually,
command 93 WRITE_SAME(16) seems to be defined in SBC part.

Cheers.

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[Yucong Sun (叶雨飞)]

no one? I guess that makes things harder....

[Lee Duncan]

I'm not sure I understand why content in an earlier version of the spec
is more valuable to you than a draft of the current version.

Perhaps you can ask whomever pointed you to said spec for a copy of at
least the relevant sections?

On 03/23/2012 07:46 PM, Yucong Sun (叶雨飞) wrote:
> no one? I guess that makes things harder....
>
> On Wed, Mar 21, 2012 at 10:30 AM, Yucong Sun (叶雨飞) <suny...@gmail.com> wrote:
>> Hi,
>>
>> As I said previously, I was researching to implement VAAI for ietd,
>> and recently I was pointed to T10 spec that has explanation of all the
>> VAAI primitives, the SBC spec is accessible but the SPC-3 spec is
>> only accessible to the T10 members. Does someone here have access to
>> it? I'm not even sure whether that's something I should read actually,
>> command 93 WRITE_SAME(16) seems to be defined in SBC part.
>>
>> Cheers.
>

--
Lee Duncan
SUSE Labs

[Yucong Sun (叶雨飞)]

to be honest, I don't understand the secrecy either, but only big guys
are allowed to access latest draft. But I've had something that I can
use, so more patches are coming up.

[Lee Duncan]

No. The latest draft is available for free, and always is. This is so
that they can get public comment.

But once a draft is agreed upon, i.e. become the current standard, then
you have to be a "member" to get a copy. Or, I think you can buy a copy
at non-member prices, but that's going on my hazy memory, so don't quote
me on that one.

Here's a link to the current SPC-4 standard:

http://www.t10.org/cgi-bin/ac.pl?t=f&f=spc4r35.pdf

(link requires free registration)

It's certainly possible that somebody that's been around a while would
have a _draft_ version of SPC-3 that they downloaded before it was
finalized, but even so such a copy would not represent the current SPC-3
standard.

Maybe somebody wanted to refer you to something that is in SPC-3 that is
not present (has been removed) from SPC-4, but if so I'd ask "why?".

[Yucong Sun (叶雨飞)]

Yeah, however it's unclear to me that which reversion that our
development should target to, and it's unknown which version vmware is
developed against.
I would guess SPC-3/SBC-3 , but SPC-3 final is locked that I have no
access to, and SBC-3 is still in draft. so, I'm just lost.

However I and Ross decided we should play safe on certain
interpretation, so a new patch would be post here soon.

Cheers.