RE: iSCSI protocol - use of SendTargets

Hi Julo,
 
I don't know how many third party iSCSI 'Big Dummies' guides are out
there, however, since RFC3720 succinctly describes the fundamentals of
the iSCSI model I recommended that as the first choice.
 
I'd have no objection if the author of RFC3720 wanted to advertise his
publication here! ;-)
 
Cheers
Ken
 


________________________________

From: Julian Satran [mailto:[email protected]] 
Sent: Saturday, 30 June 2007 19:04
To: Eddy Quicksall
Cc: [email protected]; Sandars, Ken; Parav Pandit
Subject: Re: [Ips] 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 <mailto:[email protected]>  
To: Parav Pandit <mailto:[email protected]>  ; [email protected]
<mailto:[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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