Product manual

77 A1 69UP Rev00 5-1
5. Managing Critical Data
This chapter discusses the CDA 7 features and options that affect data availability
and reliability.
• CDA 7 Data Management Overview
• Reliability and Availability Features
• Data Integrity Protection
• Data Protection Guidelines
• Mirroring
5.1 CDA 7 Data Management Overview
CDA 7 has many features and options to ensure a high degree of system and data
availability.
Many of these features and options are built into the CDA 7 design. Other
availability options may be purchased separately and implemented in the CDA 7
operation.
5.1.1 CDA 7 Reliability and Availability Features
The CDA 7 design offers the following reliability and availability features:
• High reliability components
• Redundant power subsystem
• System battery backup
• Dual-Initiator feature
• Non-disruptive maintenance and microcode upgrades