RESTORING ENCRYPTED DATA
Overview
Restoring encrypted data from a cartridge follows the standard data restore processes
that you use with your storage management software. The only difference is that the
key used to encrypt the data being restored needs to be stored in the library and
assigned to the partition in which the encrypted cartridge is loaded. If the key is
already stored on the library and assigned to the partition containing the encrypted
tape(s), the data is automatically decrypted as it is read from tape; if the encryption
key is not currently stored on the library, it must be imported and assigned to the
partition before the data can be decrypted. Once the required encryption key is
assigned to the partition, standard restore procedures are unchanged.
Use the Key Stored in the Library
This section describes how to restore data if the key used to encrypt the data is
currently stored in the library.
Note: If the data was not encrypted using the currently loaded key, the library prompts you
with the moniker of the key that is required to decrypt the data. You must import
the key as described in Import the Required Key Into the Library before the data can
be restored.
If the encryption key is not currently assigned to the partition, modify the partition as
described in Enable Encryption Standard in a Partition on pageî ±122. If the encryption
key is assigned to a partition, continue with the following steps.
1. If necessary, import the cartridges containing the data to be restored into the
library partition to which the encryption key is assigned.
2. Use your storage management software to restore the data. The data is
automatically decrypted using the stored key.
JANUARY 2023 132
SPECTRA STACK LIBRARY
USER GUIDE
CHAPTER 3 - CONFIGURING AND USING ENCRYPTION
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