Chapter 5. Disk Security with Full Disk Encryption drives 261
Figure 5-1 shows the relationship of the IBM Disk Encryption Manager and an individual FDE
drive with encryption enabled.
Figure 5-1 DS5000 Disk Encryption Manager using self encrypting FDE drives
Data on Drive Data on Drive Data Flow
Authorization Flow
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Data
Encryption
Key
Data
Encryption
Key
User DataUser Data
The quick brown fox
jumps over the lazy dog
The quick brown fox
jumps over the lazy dog
Writing to the Drive
Encryption Process
Reading from the Drive
Decryption Process
IBM DS5000 Disk Encryption
Manager
Self-encrypting Drive
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