When can I delete old encryption key?
Hi,
on my ZFS Storage Appliance I have created new encryption key and used it to encrypt my storage pools.
Question is, are the pools immediately encrypted with the new key?
When can I delete old key?
I am asking as when trying to delete the key, I receive warning that "Deleting this key will result in all data in the shares that are encrypted using this key to be permanently and irrecoverably inaccessible". I would not like to loose my data which were encrypted with old key. On the other hand I don't see any re-encryption (with new key) process to be initiated. So I am a bit warried if deleting old key will not make irreversible changes to my data?