Re: Enhancements for the iSCSI

["Matt Wakeley" <matt_wakeley@agilent.com>]

Nelson Nahum wrote:

> I think that the iSCSI is a special opportunity to enhance the current SCSI
> protocol especially it networking capabilities.
> SCSI was designed with the concept of Initiator for the HBA and Target for
> the devices. The Initator sends commands to the Targets that are passive.
> But the networking world supposes every one talking with every one. The fact
> that iSCSI is implemented over TCP/IP can help to develop these enhacements.
>
> Modern SAN appliances need to "talk" with the storage devices but also need
> a way to update information in the HBAs in a asynchronous manner.
>
> My questions are the following:
>
> 1 - Is iSCSI designed in such a way that every Target can also be Initiator
> and viceversa or it supposes different charasterisitics (memory, CPU power
> etc.) between the Initiator and the Target?

yep.


> 2 - Is possible to add asynchronous events that the Target could send to the
> Initiators at any time?

That's in the spec too. I guess you haven't read it very closely.


> 3 - Another important enhancement could be the possibility to "broadcast"
> information to many iSCSI devices or HBAs.

Why would you want to do that?


> Nelson Nahum
> CTO
> StoreAge Networking Technologies

Matt Wakeley
Agilent Technologies