IBM System Storage DS4000, Hardware Manual

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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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Encryption
Key
Data
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User Data User Data
The quick brown fox
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The quick brown fox
jumps over the lazy dog
Writing to the Drive
Encryption Process
Reading from the Drive
Decryption Process
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