Encrypting 27 TB RMAN Backup with GPG

[Heinz Diehl]

On 22.10.2018, Satendra Tiwari wrote: 

> In this case, we want to use GPG to encrypt Oracle backup. We have two
> databases of 17 TB and 7 TB they compress to 2.6 TB and 1.3 TB
> respectively.
 
> What would be the best way to encrypt our backup and how long would it take?

I would create a LUKS/cryptsetup container or partition. Using
rotational storage, you will have the same copy speed as the
underlying unencrypted device.