iSCSI boot - root path DHCP option

Guys, 

 

I'm trying to figure out something relating to the iSCSI root-path DHCP
option 

 

The iSCSI boot spec (RFC4173) seem to indicate that the iSCSI root path
option in the DHCP server should look like:

   

  "iscsi:"<servername>":"<protocol>":"<port>":"<LUN>":"<targetname>

 

While I saw an implementation that uses:

(http://iscsi-init.sourceforge.net/README.html)

 

option root-path
"[if_name1:]<target_ip1>[,[if_name2:]<target_ip2>]:/<target_name>[/<init
iator_name>[/<lun_number>]]";

 

the RFC doesn't seem to address key issues which are enabled through the
2nd alternative

such as specifying an alternate IP address of a target (pretty important
for HA)

and specifying the initiator Iqn (after all the LUN masking is done on
the target based on the initiator iqn)

 

Any idea if the RFC taken those into considerations, or has changed
recently ?

 

Thanks, Yaron

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