Comments - InnoDB System Variables
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I believe there is an error in
innodb_encryption_rotate_key_age:https://mariadb.com/kb/en/innodb-system-variables/#innodb_encryption_rotate_key_age
Which states:
When setting up encryption, this variable must be set to a non-zero value. Otherwise, when you enable encryption through innodb_encrypt_tables MariaDB won't be able to automatically encrypt any unencrypted tables.
If i read MDEV-14398 it seems that this was fixed, but im not sure?
And i think its very relevant for me now as im going to disable encryption on a server, following: https://mariadb.com/kb/en/disabling-innodb-encryption/ Which states that we must:
SET GLOBAL innodb_encryption_rotate_key_age = 1;I have this at 0 as we dont rotate the keys...
Just to semi-correct myself: The above MDEV is listed as only affecting 10.1, 10.2, 10.3, so the text for
innodb_encryption_rotate_key_agemight be correct for these versions, but not later releases..If so, it should be made clear in the KB , and in the referencing article regarding disable encryption, that you only need to change this for those versions, and can leave it at 0 for later versions.