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PowerVault ME5: Host iSCSI initiator name must use standard IQN format convention.

Summary: A host iSCSI initiator must take the form iqn.yyyy-mm.naming-authority:unique-name or it will not be recognised by PowerVault ME series as an iSCSI connection when assigning nicknames for mapping hosts to volumes. ...

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.
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Symptoms

In PowerVault Manager when attempting to rename a host initiator you may receive a dialog message:  "Failure - Failed to set initiator nickname for initiator <invalid format iSCSI initiator name>"

Failed to set initiator nickname for initiator <invalid format iSCSI initiator name.png

Alternatively, the host iSCSI initiator is listed as an FC connection. The administrator cannot map this "FC" Initiator/Host/Group to any volumes. The following error is displayed:   "Mapping failed for volume <volume-name> to host <HostGroupname.*.> The group was not found on the system."

 

Mapping failed for volume <volume-name> to host <HostGroupname.*.> The group was not found on the system..png

 
 
 

Cause

iSCSI uses a unique name to identify an iSCSI node, either target or initiator. This name that is used as a way to universally identify the node.

 

The iSCSI qualified name format is defined in RFC3720.Third party link icon

Example: iqn.1993-08.org.debian.iscsi:01:107dc7e4254a

Format: iqn.yyyy-mm.naming-authority:unique-name

iqn specifies the use of the iSCSI qualified name as the authority.
yyyy-mm is the year and month on which the naming authority acquired the domain name that is used in this iSCSI name.
naming-authority is the reverse syntax of the Internet domain name of the naming authority. The name in the above example indicates that the debian.org domain name was registered in August 1993, and iscsi is a subdomain, maintained by debian.org.
unique-name is any name that you want to use, for example, the name of your host. The naming authority must ensure that any names assigned following the colon are unique, such as:
  • iqn.1991-05.com.microsoft:winhost1
  • iqn.1998-01.com.vmware.iscsi:esxhost1
  • iqn.1994-05.com.redhat:f8d3cabd44f0

Resolution

 
  1. On the host operating system logout, the iSCSI initiator from the PowerVault ME target.
  2. Change the iSCSI name to follow the convention described above.  For instructions consult your operating system administrator guide for instructions to change the iSCSI IQN name.
  3. They may require a host operating system restart to complete the change.
  4. Log in the iSCSI initiator to the PowerVault ME target.

Login the iSCSI initiator to the PowerVault ME target.png

Figure 3 -   Changing the iSCSI initiator name in Microsoft Windows Operating systems. 

 

 

Affected Products

Dell EMC PowerVault ME4012, Dell EMC PowerVault ME4024, Dell EMC PowerVault ME4084, PowerVault ME5012, PowerVault ME5024, PowerVault ME5084
Article Properties
Article Number: 000203663
Article Type: Solution
Last Modified: 14 Jun 2023
Version:  4
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