I know back in February 2007, when I was using snv_54,
I had to disable 'fusion' in order to run both the iscsi target
and the initiator on the same PC using the loopback network device.
But on snv_60, I have not needed to do disable 'fusion'
- it just seems to work.  I have tried it again just now. See below.
I'm about to upgrade to snv_70 and I will repeat the test and see if
it still works.
Regards,
Nigel Smith

# uname -a
SunOS solaris 5.11 snv_60 i86pc i386 i86pc
# cat /etc/release
                            Solaris Nevada snv_60 X86
           Copyright 2007 Sun Microsystems, Inc.  All Rights Reserved.
                        Use is subject to license terms.
                             Assembled 12 March 2007
# mdb -k
Loading modules: [ unix genunix specfs dtrace uppc pcplusmp scsi_vhci ufs ip 
hook neti sctp arp usba uhci qlc fctl nca lofs zfs random fcp emlxs md cpc 
crypto fcip logindmux ptm sppp ipc ]
> do_tcp_fusion/X
do_tcp_fusion:
do_tcp_fusion:  1
>
# cd /export/home
# mkfile 1g ./zfs-file
# zpool create tank3 /export/home/zfs-file
# zfs create -s -V 1000mb tank3/iscsi-vol
# zfs set shareiscsi=on tank3/iscsi-vol
# iscsitadm list target -v
Target: tank3/iscsi-vol
    iSCSI Name: iqn.1986-03.com.sun:02:c7c6a3d0-30a4-657b-ee51-f8d623bdfb92
    Alias: tank3/iscsi-vol
    Connections: 0
    ACL list:
    TPGT list:
    LUN information:
        LUN: 0
            GUID: 0x0
            VID: SUN
            PID: SOLARIS
            Type: disk
            Size: 1000M
            Backing store: /dev/zvol/rdsk/tank3/iscsi-vol
            Status: online
# iscsiadm add discovery-address 127.0.0.1
# iscsiadm modify discovery -t enable
# iscsiadm list target
Target: iqn.1986-03.com.sun:02:c7c6a3d0-30a4-657b-ee51-f8d623bdfb92
        Alias: tank3/iscsi-vol
        TPGT: 1
        ISID: 4000002a0000
        Connections: 1
# format
Searching for disks...done

AVAILABLE DISK SELECTIONS:
       0. c2t0d0 <DEFAULT cyl 9723 alt 2 hd 255 sec 63>
          /[EMAIL PROTECTED],0/pci1028,[EMAIL PROTECTED],2/[EMAIL PROTECTED],0
       1. c4t010000123F71738800002A00470C03F2d0 <DEFAULT cyl 998 alt 2 hd 64 
sec 32>
          /scsi_vhci/[EMAIL PROTECTED]
Specify disk (enter its number): ^D
 
 
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