Element existence issue detected during validation of command 'Map LUN'.

TiMatrix — Wed, 04 Jun 2025 19:49:58 GMT

Hello everbody,

I have created a workflow, which breaks snapmirror relationships, restores LUNs from snapshot and maps the restored LUNs to an igroup.

The preview fails, due to the following error message:

Caused by: CommandExecutionException{Message: Element existence issue detected during validation of command 'Map LUN'.
It is possible that you are trying to create an element that already exists/reserved or trying to remove an element that does not exist., Cause: null}

I have two volumes with several LUNs. All LUNs of one of the volumes will be mapped (preview), but not from the other one.

When I replace the automatic LUN selection (function getvalueat2d() will be used for that) by a static value, that the preview successes. When I enter a valid LUN name, it fails too.

No reservations are active.

Where I can find the cause for this.

Thanks,

Tino

Re: Element existence issue detected during validation of command 'Map LUN'.

TiMatrix — Tue, 26 Jul 2016 07:46:21 GMT

I figured it out. The involved LUNs were mapped. After unmapping the LUNs, refreshing OCUM and WFA db, the workflow is running fine.

topic Element existence issue detected during validation of command 'Map LUN'. in Active IQ Unified Manager Discussions

Element existence issue detected during validation of command 'Map LUN'.

Re: Element existence issue detected during validation of command 'Map LUN'.