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Encrypted volumes offline because of manual giveback with override vetoes

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ontap-9
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Applies to

  • ONTAP 9
  • Data At Rest Encryption
  • Onboard Key-Manager

Issue

  • During node reboot (due to any reason like maintenance, ONTAP upgrade, etc.), giveback failures are reported at regular intervals:

[node2: cf_giveback: gb.sfo.veto.kmgr.keysmissing:error]: Giveback of aggregate aggr1 failed due to the unavailability of the volume encryption keys for the encrypted volumes of the aggregate on partner node node1.

  • Giveback is performed manually by overriding vetoes after which encrypted volumes go offline:

[node1: vv_apply_special18: wafl.mount.transient.error:error]: WAFL: Unable to mount volume vol1, UUID 2075XXXX-XXXX-XXXX-XXXX-XXXXXXXXea91 due to Encryption key error.. Volume is taken offline due to transient errors.

  • If this is during the upgrade, ANDU can pause :

cluster1::> cluster image show-update-progress

                                             Estimated         Elapsed
Update Phase         Status                   Duration        Duration
-------------------- ----------------- --------------- ---------------
Pre-update checks    completed                00:10:00        00:00:52
ONTAP updates        completed                02:34:00        02:06:29
Post-update checks   paused-on-error          00:10:00        00:40:38

Details:

Post-update Check    Status            Error-Action
-------------------- ----------------- --------------------------------------
Volume Health Status Error             Error: Volumes are found to be not
                                       online after the upgrade.
                                       Action: Check for volumes not online
                                       in the cluster.

Status: Paused - An error occurred in "Post-update checks" phase. The update cannot continue until the error has been resolved. Resolve all issues, then use the "cluster image resume-update" command to resume the update.

  • Command security key-manager key show (deprecated  in ONTAP 9.6) shows the following error:

Error: One or more nodes have onboard key management keys that need to be restored. Run the "security key-manager onboard sync" command to restore the onboard key hierarchy on those nodes.

 

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