Ang: Re: Ang: Re: [Stgt-devel] Re: [Iscsitarget-devel] stgt a new version of iscsi target?

[Ming Zhang]

On Wed, 2005-12-07 at 20:07 +0100, johan at capvert.se wrote:
> 
>                                                Hi!
>                          
> 
> Our opinion of the LSI MPT target driver is that it is not good
> enough. Maybe to use as a base for further developement. We had a guy
> here that spended a lot of time with it, without any success. Maybe
> somebody else could do a better job, but "warning". 
> I had some QLA iScsi HBA´s since they released them, and I tried to
> get the target F/W from Qlogic, but they refused. I will try again,
> since I also want the Fc target F/W. 

no idea about iscsi one, but for fc stuff u can get it after signing
nda. that is how i got all fc spec. but also because this nda, i can not
do it for stgt. :P

so only way is to do it base on scst code, Mike is doing this right now.
Hope he does not have NDA limitation. :P

>  We are now running a project to use EVMS volumes for target
> exportation, currently with scst, but hopefully soon with stgt. We
> want to put access control in EVMS.

i guess stgt will support lun masking like stuff easily since report_lun
is handled  in user space right?


ming

>               Best regards from/Med vänliga hälsningar från
> 
>                                 Johan Kragsterman
> 
>                               http://www.capvert.se 
> 
> 
> 
> Mike Christie
> <michaelc at cs.wisc.edu> 
> 
> 2005-12-07 19:38 
> 
> 
> 
>          
>         Till:
>  johan at capvert.se 
>         Kopia:
>  iscsitarget-devel at lists.sourceforge.net, mingz at ele.uri.edu, stgt <stgt-devel at lists.berlios.de>, Robert Whitehead <WRWHITEHEAD at novell.com> 
>         Ärende:
>  Re: Ang: Re:
> [Stgt-devel] Re:
> [Iscsitarget-devel]
> stgt a new version of
> iscsi target?
> 
> 
> 
> johan at capvert.se wrote:
> >                                         Hi, Mike!
> > 
> > 
> > I, and I suppose a lot of other people, would like know how you look
> at the
> > HW support on the Fc side? I don´t know what you mean now, when you
> talk
> > about HW target support, 
> 
> For qlogic FC, it is the same as scst at this point, except we are
> based 
> off the mainline qla2xxx driver. At this point I am in the middle of 
> taking a lot of the scst qla code but redone for coding style and our 
> framework and the mainlin qlogic driver.
> 
> For qlogic iSCSI, I think Tomo is going to buy a card and with
> qlogic's 
> help we are goin gto try and add support. For all qlogic sutff we do
> not 
> have the docs so we are just looking at source in the web and asking
> the 
> qlogic guys.
> 
> Christoph also posted a link to the MPT fusion target support and
> Eric 
> at LSI has been nice enough to let me bug him about that driver so we 
> hope to get support for the LSI MPT fusion cards.
> 
> And maybe one day we can support Emulex. James Smart has been really 
> nice in answering my questions, but I am not sure I want to bother
> him 
> eveyrday since I know he is busy woth his day job so maybe I will
> have 
> to go through my work.
> 
> if you talk iScsi HBA, TOE HBA, NIC, or Fc HBA, or
> > all of them. Since I´m very much on the Fc side, I´m especially
> interested
> > in your developement strategy for Fc. How is your priority list look
> like?
> > 
> 
> Right now I am just trying to get what was in scst into tgt. So this 
> means qlogic 2xxxx card support first, then mpt, then I will bug
> qlogic 
> about their HW iscsi card and bug my boss to bug emulex. Tomo might
> be 
> working the HW qlogic iscsi card or mpt right now though too. Maybe 
> after we have at least qlogic we can try to stablize things (like
> finish 
> adding refcounting, do the eh stuff, redo the MSG_*, fix bugs, etc)
> and 
> then roll a release.
> 
> 



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