Could you also send me the /var/log/messages for when tgtd starts up and
when you run the command below?


On 10/30/2012 02:00 PM, Mike Christie wrote:
> run:
> 
> nhnfs01 ~ # iscsiadm -m discovery -t sendtargets -p localhost -d 8
> 
> and send all the output.
> 
> 
> 
> On 10/30/2012 02:29 AM, Paul W. Poteete wrote:
>> Aloha again!
>>
>> Yes.  Even rebooted the server (which is a pain because it is hosting about 
>> 10 virtual machines over NFS)
>>
>> I'm stumped.
>>
>> On Oct 29, 2012, at 8:26 PM, Mike Christie wrote:
>>
>>> On 10/29/2012 11:15 PM, Paul W. Poteete wrote:
>>>> Thank you Mike!  I really appreciate your help.
>>>>
>>>> nhnfs01 ~ # iscsiadm -m discovery -t sendtargets -p localhost
>>>> [::1]:3260,1 iqn.2012-10.com.nahoku:nhnfs00.target01
>>>>
>>>> Process:
>>>> ------------
>>>> #Install Centos 6.3 (64bit)
>>>> yum install scsi-target-utils iscsi-initiator-utils
>>>> mkdir /home/iscsi
>>>> time dd if=/dev/zero of=/home/iscsi/lun_exchange.img bs=1G count=300 &
>>>> time dd if=/dev/zero of=/home/iscsi/lun_mssql.img bs=1G count=300 &
>>>> #edit /etc/tgt/targets.conf
>>>> for svc in iscsi iscsid tgtd; do /etc/init.d/$svc restart; done
>>>>
>>>> I created a quick test configuration to see if it would work, and
>>>> presto, it worked fine.  When I changed the config, I still only have
>>>> a single Target.  Is it possible to have two target servers when using
>>>> dd images?
>>>>
>>>> Original test config: (worked great)
>>>> --------------------------
>>>> # Default Driver
>>>> default-driver iscsi
>>>>
>>>> # Initiator and Target Configuration
>>>>
>>>> <target iqn.2012-10.com.nahoku:nhnfs00.target01>
>>>>    backing-store /home/iscsi/lun_mssql.img
>>>> </target>
>>>>
>>>>
>>>> Changed config: (initiators still see the target listed above)
>>>> ----------------------
>>>> nhnfs01 ~ # cat /etc/tgt/targets.conf
>>>> # Driver
>>>> default-driver iscsi
>>>>
>>>> # Targets
>>>> <target iqn.1997-03.com.example:nhnfs00-exchange>
>>>>    <backing-store /home/iscsi/lun_exchange.img>
>>>>            allow-in-use yes
>>>>    </backing-store>
>>>> </target>
>>>> <target iqn.1997-03.com.example:nhnfs00-mssql>
>>>>    <backing-store /home/iscsi/lun_mssql.img>
>>>>            allow-in-use yes
>>>>    </backing-store>
>>>> </target>
>>>>
>>>> I have removed the services, deleted everything related in /etc and
>>>> /var/lib, reinstalled, and recreated the files from scratch.  The old
>>>> information still comes up.  There must be a binary database somewhere
>>>> referencing the "target".
>>>
>>> The iscsi initiator (iscsiadm) stores it in /var/lib/iscsi. When you run
>>>
>>> iscsiadm -m node -P 1
>>>
>>> you see what is in /var/lib/iscsi. When you run the discovery command
>>> you see what we just got back from the target when you ran the discovery
>>> command.
>>>
>>> The iscsi target (tgtadm) just uses the /etc/tgt/tagrets.conf file. When
>>> you run tgtadm you see what tgtd is currently using. So if tgtadm is
>>> returning the new targets then it should be returning them to iscsiadm
>>> and iscsiadm should be printing them out.
>>>
>>> When you change the target info in /etc/tgt/targets.conf you restarted
>>> tgtd right?
>>>
>>>
>>>
>>>>
>>>> On Mon, Oct 29, 2012 at 9:34 AM, Mike Christie <micha...@cs.wisc.edu> 
>>>> wrote:
>>>>> On 10/27/2012 12:00 AM, Paul W. Poteete wrote:
>>>>>>
>>>>>> *nhnfs01 iscsi # iscsiadm -m discovery -t sendtargets -p 10.0.1.60:3260*
>>>>>
>>>>>
>>>>> Are you sure 10.0.1.60 is the ip address for the portal on the
>>>>> production iscsi target? That command returns what is returned from the
>>>>> target. If you take a wireshark/tcpdump trace when you run that command
>>>>> do you see the target still returning the old target name?
>>>>>
>>>>>
>>>>> The target and initiator are running on the same box right? If you just do
>>>>>
>>>>> iscsiadm -m discovery -t sendtargets -p localhost
>>>>>
>>>>> do you see the updated target names?
>>>>>
>>>>>
>>>>>> 10.0.1.60:3260,1iqn.2012-10.com.example:nhnfs00.target01
>>>>>>
>>>>>>
>>>>>> *nhnfs01 iscsi # tgtadm --lld iscsi --op show --mode target*
>>>>>> Target 1: iqn.1997-03.com.example:nhnfs00-exchange
>>>>>>    System information:
>>>>>>        Driver: iscsi
>>>>>>        State: ready
>>>>>>    I_T nexus information:
>>>>>>    LUN information:
>>>>>>        LUN: 0
>>>>>>            Type: controller
>>>>>>            SCSI ID: IET     00010000
>>>>>>            SCSI SN: beaf10
>>>>>>            Size: 0 MB, Block size: 1
>>>>>>            Online: Yes
>>>>>>            Removable media: No
>>>>>>            Prevent removal: No
>>>>>>            Readonly: No
>>>>>>            Backing store type: null
>>>>>>            Backing store path: None
>>>>>>            Backing store flags:
>>>>>>        LUN: 1
>>>>>>            Type: disk
>>>>>>            SCSI ID: IET     00010001
>>>>>>            SCSI SN: beaf11
>>>>>>            Size: 322123 MB, Block size: 512
>>>>>>            Online: Yes
>>>>>>            Removable media: No
>>>>>>            Prevent removal: No
>>>>>>            Readonly: No
>>>>>>            Backing store type: rdwr
>>>>>>            Backing store path: /home/iscsi/lun_exchange.img
>>>>>>            Backing store flags:
>>>>>>    Account information:
>>>>>>    ACL information:
>>>>>>        ALL
>>>>>> Target 2: iqn.1997-03.com.example:nhnfs00-mssql
>>>>>>    System information:
>>>>>>        Driver: iscsi
>>>>>>        State: ready
>>>>>>    I_T nexus information:
>>>>>>    LUN information:
>>>>>>        LUN: 0
>>>>>>            Type: controller
>>>>>>            SCSI ID: IET     00020000
>>>>>>            SCSI SN: beaf20
>>>>>>            Size: 0 MB, Block size: 1
>>>>>>            Online: Yes
>>>>>>            Removable media: No
>>>>>>            Prevent removal: No
>>>>>>            Readonly: No
>>>>>>            Backing store type: null
>>>>>>            Backing store path: None
>>>>>>            Backing store flags:
>>>>>>        LUN: 1
>>>>>>            Type: disk
>>>>>>            SCSI ID: IET     00020001
>>>>>>            SCSI SN: beaf21
>>>>>>            Size: 322123 MB, Block size: 512
>>>>>>            Online: Yes
>>>>>>            Removable media: No
>>>>>>            Prevent removal: No
>>>>>>            Readonly: No
>>>>>>            Backing store type: rdwr
>>>>>>            Backing store path: /home/iscsi/lun_mssql.img
>>>>>>            Backing store flags:
>>>>>>    Account information:
>>>>>>    ACL information:
>>>>>>        ALL
>>>>>>
>>>>>> --
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>>>>>> To view this discussion on the web visit
>>>>>> https://groups.google.com/d/msg/open-iscsi/-/KxmOYcWEyFIJ.
>>>>>> To post to this group, send email to open-iscsi@googlegroups.com.
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>>>>>
>>>
>>
> 

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