When decommissioning a VNX, I recently forgot to remove the array from the existing domain. After the VNX was “unracked and unstacked” I saw my mistake and tried to remove it from the domain by using the “add/remove systems” in Unisphere, but the remove-button was grayed out. Even engineering mode didn’t help me.
There is another way to remove unwanted VNXs from a domain! You might have guessed it already, because it’s by using the command line!
First you’ll have to find out what existing VNX is the domain master. This can be done in Unisphere by looking up the current master. Click on “Domains” followed by “Select Domain Master”.
The outcome will show you the list of domain in the domain as well as the current master.
Now you can open a command line box and enter the following command to deleted the unwanted VNX from the domain:
naviseccli -Address -User -Password -Scope 2 domain -remove
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