[stgt] Why "Microsoft iscsi" cannot work well with stgt (but it worked well with ietd)?

Cheng Renquan crquan at gmail.com
Thu Feb 12 10:51:21 CET 2009

I have used stgt's iSCSI functionality:

1. start tgtd;
2. use tgtadm add a new target, add a lun with backing store
/dev/sdb5, add ACL information;

then it looks like:

root at uitnode1 ~/tmp/tgt-trunk-20090210 0 # usr/tgtadm --lld iscsi
--mode target --op show
Target 1: iqn.2007-10.com.uit:uit2-tui2
    System information:
        Driver: iscsi
        State: ready
    I_T nexus information:
    LUN information:
        LUN: 0
            Type: controller
            SCSI ID: deadbeaf1:0
            SCSI SN: beaf10
            Size: 0 MB
            Online: Yes
            Removable media: No
            Backing store: No backing store
        LUN: 1
            Type: disk
            SCSI ID: deadbeaf1:1
            SCSI SN: beaf11
            Size: 30006 MB
            Online: Yes
            Removable media: No
            Backing store: /dev/sdb5
    Account information:
    ACL information:

open-iscsi can logon this target, while "Microsoft iSCSI initiator
2.08 (latest)" seems cannot;
in fact not "microsoft iscsi" 's fault, but the windows system cannot
recognize the
"IET Controller SCSI Array Device";
I have searched on the Internet, and cannot find a windows driver for
such a device;

Furthermore, I compared the stgt iscsi and iet(iscsitarget.sf.net), I found that
iscsitarget only serves "LUN 1" as Type disk, it doesn't provide a
"LUN 0" with Type Controller,

I tried to delete the "LUN 0 Type Controller" with tgtadm, but it
seems not work:

# usr/tgtadm --lld iscsi --mode logicalunit --op delete --tid 1 --lun=0
tgtadm: 'lun' option is necessary

Appreantly I input with "--lun=0", but it seems not aware of that, why?

Simply speaking, how can I make stgt work with microsoft iscsi? Or
make windows work with stgt?


Cheng Renquan, Shenzhen, China
Jay London  - "My father would take me to the playground, and put me
on mood swings."
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