Quantum DXi4701, User Manual

Page: 358 / 440

Chapter 9: DXi4701 Configuration
System
332 Quantum DXi4701 User’s Guide
2 Under Enable Data-at-Rest Encryption , type a security passphrase
in the Passphrase box.
Caution: If you are re-enabling Data-at-Rest Encryption, you
must enter the same passphrase that was used when
encryption was originally enabled.
The passphrase must meet all of the following requirements:
• Must be 8–32 characters long.
• Must contain at least 1 digit [0–9].
• Must contain at least 1 uppercase letter [A–Z].
• Must contain at least 1 lowercase letter [a–z].
• Must contain at least 1 non-alphanumerical character, for
example, ‘+’ or ‘@’.
Note: An underscore [ _ ] is considered an alphanumeric
character.
• Must not contain a space, tab, single quote [‘], double quote
[“], or dollar sign [$].
3 Enter the passphrase again in the Confirm Passphrase box.
4 Click Enable .
Data-at-Rest Encryption is now enabled, and all hard drives are secured
so that, if they are removed from the DXi4701, they cannot be read
using another system or device.
Note: Be sure to record the passphrase in a safe location. You should
also save a backup copy of the Data-at-Rest Recovery file (see
Managing Recovery Files on page 332).
Managing Recovery Files
When Data-at-Rest Encryption is enabled, the system generates security
keys based on the supplied passphrase. The DXi4701 maintains a copy
of the security keys on the system, and they are accessed automatically
as needed.
There are a few, rare situations which may require manual entry of the
passphrase or security key, such as performing a capacity expansion, or