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OpenStack: Cinder driver issue activating CHAP authentication

  1. Last updated
    Feb 11, 2025
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47
Visibility:
Public
Votes:
0
Category:
openstack
Specialty:
virt
Last Updated:
2/11/2025, 3:26:51 PM

Applies to

  • NetApp ONTAP 9.13.1P8
  • OpenStack 2023.2
  • CHAP (Challenge-Handshake Authentication Protocol)

Issue

  • When activating CHAP between OpenStack and NetApp storage:

Unable to create attachment for volume (Bad or unexpected response from the storage volume backend API: Driver initialize connection failed (error: Bad or unexpected response from the storage volume backend API: Failed to set CHAP authentication for target IQN <iqn_name>. Details: Unexpected output. Expected [Password:] but received [b\'Last login time: 1/3/2025 11:32:55\\r\\r\\n\\x07\\r\\nError: invalid argument "-vserver"\']).). (HTTP 500) (Request-ID: req-a376f778-dd74-4cd2-b03b-8eeddc133dbe)\n'].

  • On the ONTAP CLI, vserver iscsi security show -vserver <vserver_name> shows no configurations for CHAP

 

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