If you don't, the previous LUKS1 data might still be written in some recovery data on the USB stick and could be recovered using advanced data forensics techniques.
If you don't, the previous LUKS1 data might still be written in some recovery data on the USB stick and could be recovered using advanced data forensics techniques.
If you created your encrypted volume with Tails 5.12 or earlier and are worried about a very powerful adversary, consider migrating your entire Tails to a different USB stick and destroying your old TailsUSB stick (or at least [[securely deleting the entire device|doc/encryption_and_privacy/secure_deletion#device]]).
If you created your backup Tails with Tails 5.12 or earlier and are worried about a very powerful adversary, consider creating your new backup Tails on a different USB stick and destroying your old backup Tails (or at least [[securely deleting the entire device|doc/encryption_and_privacy/secure_deletion#device]]).
If you create your encrypted volume with Tails 5.12 or earlier and your encrypted volume is on a USB stick (or an SSD) or if you are not comfortable with the command line:
Take note of the *partition name* of your Persistent Storage, which appears above `TailsData_unlocked`. In this example, the Persistent Storage is in the partition <span class="code">sda2</span>. Yours might be different.