Hi Peter,

> In the COMSTAR model the iSCSI target port that you create is just  
> an access point that gets associated with luns through view  
> entries.  If you create a completely open view entry for a lun  
> "stmfadm add-view <guid>" then the lun is mapped to all ports (all  
> iSCSI target ports created with itadm, all FC ports, ...).

OK I understand.

>
> Unfortunately wireshark doesn't read snoop traces anymore (anyone  
> know why they did this?)  Do you happen to know the sense key, asc  
> and ascq from the check condition?

My wireshark opens the snoop file without any problem.

PS I took a screenshot of the packet, Should i see this info in this  
packet??

Kristof


On 21 Jan 2009, at 16:40, Peter Dunlap wrote:

> Hi Kristof, comments inline:
>
> kristof wrote:
>> Today I tried to setup a comstar iscsi target.
>>
>> - I updated my opensolaris 2008.11 to build 105.
>> - disabled iscsitgtd
>> - installed SUNWiscsit pkg
>> - enabled stmf
>>
>> Then I checked the docs, and there is still 1 thing I  don't  
>> understand.
>>
>> The admin guide says, to create a target run:
>>
>> itadm create-target
>>
>> So I did, this was the response:
>>
>> Target iqn.1986-03.com.sun:02:4b60173a-25c8-44eb-f307-efce316df001  
>> successfully created
>>
>> Then I had to create the LU:
>>
>> sbdadm create-lu /dev/zvol/rdsk/storagepoolb/vista
>> Created the following LU:
>>
>>              GUID                    DATA SIZE           SOURCE
>> --------------------------------  -------------------   
>> ----------------
>> 600144f075a6410000004977b0b30003      26843480064      /dev/zvol/ 
>> rdsk/storagepoolb/vista
>>
>> Next step was to create the view:
>>
>> (to make a logical unit available to all initiator hosts on a  
>> storage network)
>>
>> stmfadm list-view -l 600144F077000000000048C62BF00001
>> stmfadm: 600144f077000000000048c62bf00001: no views found
>> -bash-3.2# stmfadm add-view 600144f077000000000048c62bf00001
>>
>> But what happens when I create multiple targets at once, How can  
>> someone find out which target (iqn) is mapped to which LU ?? I  
>> don't see the link when we don't create host groups.
>> (In the past you saw this mapping via iscsitadm list target -v)
>>
>
> In the COMSTAR model the iSCSI target port that you create is just  
> an access point that gets associated with luns through view  
> entries.  If you create a completely open view entry for a lun  
> "stmfadm add-view <guid>" then the lun is mapped to all ports (all  
> iSCSI target ports created with itadm, all FC ports, ...).
>
>> Anyway I tried to connect from a windows initiator and the disk was  
>> connected (directly after discovering, I even did not had to choose  
>> the target), so it seems to work.
>> Then I tried to boot from this exposed volume, via gpxe. For some  
>> reason this is not working (I'm getting input/Output Error). Using  
>> snoop to capture the packets, I see I'm getting: Check Condition as  
>> response to a Read Capacity(10) request. I attached the snoop file  
>> so people can look into.
>>
>> Thanks in advance for any response.
>>
>> Kristof
>>
>
> Unfortunately wireshark doesn't read snoop traces anymore (anyone  
> know why they did this?)  Do you happen to know the sense key, asc  
> and ascq from the check condition?
>
> -Peter
>

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