Iscsi Duplicate-Wwn-Check - Cisco MDS 9124 - Fabric Switch Reference

Chapter 11 I Commands
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m

iscsi duplicate-wwn-check

To check the current running configuration for conflicts between iSCSI initiators' static WWN
allocation and what the system thinks is available in its WWN pool, use the iscsi duplicate-wwn-check
command in configuration mode.
Syntax Description
This command has no arguments or keywords.
Defaults
None.
Command Modes Configuration mode.
Command History Release
2.1(2)
Usage Guidelines
Prior to Cisco MDS SAN-OS Release 2.1(2), WWNs assigned to static iSCSI initiators by the system
can be inadvertently returned to the system when an upgrade fails or the system software is manually
downgraded (that is, when you manually boot up an older Cisco MDS SAN-OS release without using
the install all command). In these instances, the system can later assign those WWNs to other iSCSI
initiators (dynamic or static) and cause conflicts.
As of Cisco MDS SAN-OS Release 2.1(2), you can use the iscsi duplicate-wwn-check command to
check for and remove any configured WWNs that belong to the system.
This command is not supported on the Cisco MDS 9124 switch, the Cisco Fabric Switch for HP c-Class
Note
BladeSystem, and the Cisco Fabric Switch for IBM BladeCenter.
Examples
The following example shows how to check the current running configuration for conflicts between
iSCSI initiators' static WWN allocation and what the system thinks is available in its WWN pool.
switch# config terminal
Enter configuration command, one per line. End with CNTL/Z.
switch(config)# iscsi duplicate-wwn-check
List of Potential WWN Conflicts:
-------------------------------
Node : iqn.test-local-nwnn:1-local-pwwn:1
The following example shows how to remove the conflicting nWWN and pWWN.
switch(config)# iscsi initiator name iqn.test-local-nwwn:1-local-pwwn:1
switch(config-iscsi-init)# no static nWWN
OL-16217-01, Cisco MDS SAN-OS Release 3.x
iscsi duplicate-wwn-check
Modification
This command was introduced.
nWWN : 22:03:00:0d:ec:02:cb:02
pWWN : 22:04:00:0d:ec:02:cb:02
22:03:00:0d:ec:02:cb:02
Cisco MDS 9000 Family Command Reference
iscsi duplicate-wwn-check
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