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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>>> 
> 

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