To add a new storage, you simply need to edit the file /etc/backup/config/storages.yml.
the storages.yml should be look like this
storages:# mystorage is the name you can replace it whatever you wantmystorage:bucket:mystoragebucketaccess_key_id:mystorageaccesskeysecret_access_key:mystoragesecretkeyregion:mystorageregionendpoint:https://mystorage.endpointprimary:yes# mystorage2 is the name you can replace it whatever you wantmystorage2:bucket:mystorage2bucketaccess_key_id:mystorage2accesssecret_access_key:mystorage2secretkeyregion:mystorage2regionendpoint:https://mystorage2.endpointprimary:no# if you had another storage you can put it in here, and so onmystorage3:...# This file is created with bqckup.com. Tool for create seamless bqckup for your website
If you have three storage options, you can add them to the configuration file