Re: iSCSI protocol - use of SendTargets

Ken - what exactly does "Before any author shamelessly plugs their iSCSI 
publications, I suggest you have a quick re-read of RFC3720. " reffer to? 
- Julo



"Eddy Quicksall" <[email protected]> 
29/06/07 15:24

To
"Sandars, Ken" <[email protected]>, "Parav Pandit" 
<[email protected]>, <[email protected]>
cc

Subject
Re: [Ips] iSCSI protocol - use of SendTargets






I agree with Ken on the reading below. You may have alredy figured this 
out but just to try to give a simple answer to your question ... suppose 
you have built a box that has several targets each with different ip 
addresses; the user at the initiator could just give one of the ip 
addresses as the "discovery address"; this could be the address of only 
one of the targets; the initiator can then log on as a discovery session 
using that address and use SendTargets to find the names and addresses of 
all targets.
 
Eddy
----- Original Message ----- 
From: Sandars, Ken 
To: Parav Pandit ; [email protected] 
Sent: Thursday, June 07, 2007 5:58 PM
Subject: RE: [Ips] iSCSI protocol - use of SendTargets

Hi Parav,
 
Before any author shamelessly plugs their iSCSI publications, I suggest 
you have a quick re-read of RFC3720. 
 
In particular, section 3.4 pages 37-40 cover some really important 
concepts that I think will help your understanding. Then jump to the start 
of section 3, page 17 for more concepts and definitions.
 
The specifics of the SendTargets command are in Appendix D.
 
HTH
Ken

From: Parav Pandit [mailto:[email protected]] 
Sent: Thursday, 7 June 2007 22:41
To: [email protected]
Subject: [Ips] iSCSI protocol - use of SendTargets

Hi,

I am new to iSCSI protocol and gearing up.
Is this the right mailing list to ask questions related to  iSCSI 
protocol?

if yes,

1.  iSCSI target is identified by the network portal (IP + port).
So once the iSCSI target is identified by the network portal and Login to 
it is successful, why do we need to ask for SendTargets command?
TargetName and TargetAddress returned are immaterial (because we already 
know the target address to which we have logged-in), unless there are 
multiple addresses for them and failover is required used.
Or it is used for communicating different TCP port on which initiators can 
send TUR, Inquiry, Read, Write commands?

What is the expected information from the target in response to 
SendTargets command?

Regards,
Parav Pandit

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