Product manual

77 A1 69UP Rev00 xi
Table of Graphics
1-1. CDA 7 Cabinet............................................................................................................1-2
2-1. CDA 7 (Interior View) ..................................................................................................2-2
2-2. CDA 7 Block Diagram .................................................................................................2-5
2-3. CDA 7 Operator Panel ................................................................................................2-6
2-4. ULTRA SCSI Attachment..........................................................................................2-11
3-1. Host Cache Use..........................................................................................................3-2
3-2. LRU Data Flow ...........................................................................................................3-3
3-3. CDA 7 Cache Use.......................................................................................................3-4
3-4. I/O Response Time.....................................................................................................3-6
3-5. Types of CDA 7 I/O Operations...................................................................................3-7
3-6. Destaging Operation ...................................................................................................3-8
3-7. Read Operations.........................................................................................................3-9
3-8. Read Hit....................................................................................................................3-10
3-9. Read Miss.................................................................................................................3-11
3-10. Write Operations.......................................................................................................3-12
3-11. Fast Write.................................................................................................................3-13
3-12. Delayed Fast Write ...................................................................................................3-14
5-1. CDA 7 Dual-Initiator ....................................................................................................5-7
5-2. Data Record Format for Conventional Disk................................................................5-12
5-3. CDA 7 Data Record Format ......................................................................................5-12
B-1. Ultra SCSI Director Channel Designations................................................................. B-6
1-1. CDA 7 (RAID-1 Mirroring) Capacities ..........................................................................1-3
2-1. Cylinders per Logical Volume/or Split Physical Devices...............................................2-8
5-1. Data Protection Options ............................................................................................5-14
B-1. CDA 7 Host Checklist................................................................................................. B-1
B-2. Open System Server Host Checklist (1/2) .................................................................. B-2
B-3. Cable Worksheet ....................................................................................................... B-4
Figures
Tables