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Old 06-07-2011, 11:56 AM
raj sourabh
 
Default Device discovery over ISCSI

Hi All,

This is a query regarding the device name assgined for my NetApp lun over
ISCSI. I am able to login to the target successfully but unable to see the
device on the server.

Please see;

[root@Server1 ~]# service iscsi start
iscsid dead but pid file exists
Starting iSCSI daemon: [ OK ]
[ OK ]
Setting up iSCSI targets: Logging in to [iface: default, target:
iqn.1992-08.com.netapp:sn.99908572, portal: 192.168.92.132,3260]
Login to [iface: default, target: iqn.1992-08.com.netapp:sn.99908572,
portal: 192.168.92.132,3260]: successful
[ OK ]
[root@Server1 ~]#

/var/log/messgaes show no error messages;

Jun 7 15:48:34 Server1 kernel: Loading iSCSI transport class v2.0-871.
Jun 7 15:48:34 Server1 kernel: cxgb3i: tag itt 0x1fff, 13 bits, age 0xf, 4
bits.
Jun 7 15:48:34 Server1 kernel: iscsi: registered transport (cxgb3i)
Jun 7 15:48:34 Server1 kernel: Broadcom NetXtreme II CNIC Driver cnic
v2.1.0 (Oct 10, 2009)
Jun 7 15:48:35 Server1 kernel: Broadcom NetXtreme II iSCSI Driver bnx2i
v2.1.0 (Dec 06, 2009)
Jun 7 15:48:35 Server1 kernel: iscsi: registered transport (bnx2i)
Jun 7 15:48:35 Server1 kernel: iscsi: registered transport (tcp)
Jun 7 15:48:35 Server1 kernel: iscsi: registered transport (iser)
Jun 7 15:48:35 Server1 kernel: iscsi: registered transport (be2iscsi)
Jun 7 15:48:35 Server1 iscsid: iSCSI logger with pid=5101 started!
Jun 7 15:48:35 Server1 kernel: scsi2 : iSCSI Initiator over TCP/IP
Jun 7 15:48:36 Server1 iscsid: transport class version 2.0-871. iscsid
version 2.0-871
Jun 7 15:48:36 Server1 iscsid: iSCSI daemon with pid=5102 started!
Jun 7 15:48:36 Server1 iscsid: connection1:0 is operational now
output of dmesg also gives no information:

Loading iSCSI transport class v2.0-871.
cxgb3i: tag itt 0x1fff, 13 bits, age 0xf, 4 bits.
iscsi: registered transport (cxgb3i)
Broadcom NetXtreme II CNIC Driver cnic v2.1.0 (Oct 10, 2009)
Broadcom NetXtreme II iSCSI Driver bnx2i v2.1.0 (Dec 06, 2009)
iscsi: registered transport (bnx2i)
iscsi: registered transport (tcp)
iscsi: registered transport (iser)
iscsi: registered transport (be2iscsi)
scsi2 : iSCSI Initiator over TCP/IP

I do not see any new device using fdisk -l..

Can anybody tell me what could be the issue.

Regards,
Raj
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Old 06-07-2011, 12:19 PM
Eugene Vilensky
 
Default Device discovery over ISCSI

On Tue, Jun 7, 2011 at 6:56 AM, raj sourabh <rajsourabh1@gmail.com> wrote:
> Hi All,
>
> This is a query regarding the device name assgined for my NetApp lun over
> ISCSI. I am able to login to the target successfully but unable to see the
> device on the server.


You haven't performed target discovery. Please see your NetApp iscsi
host utilities documentation, the iscsiadm man pages, and some red hat
docs might cover this as well:
http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/5/html-single/Online_Storage_Reconfiguration_Guide/index.html#iscsiconfig

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