Re: Integration of SCST in the mainstream Linux kernel

Vladislav Bolkhovitin
2008-02-05T19:22:22Z

Jeff Garzik wrote:
>>> iSCSI is way, way too complicated.
>>
>> I fully agree. From one side, all that complexity is unavoidable for
>> case of multiple connections per session, but for the regular case of
>> one connection per session it must be a lot simpler.
>
> Actually, think about those multiple connections... we already had to
> implement fast-failover (and load bal) SCSI multi-pathing at a higher
> level. IMO that portion of the protocol is redundant: You need the
> same capability elsewhere in the OS _anyway_, if you are to support
> multi-pathing.

I'm thinking about MC/S as about a way to improve performance using
several physical links. There's no other way, except MC/S, to keep
commands processing order in that case. So, it's really valuable
property of iSCSI, although with a limited application.

Vlad