Product manual

77 A1 69UP Rev00 vii
Table of Contents
1. Introducing CDA 7
1.1 Versions of the Product...............................................................................................1-1
1.2 CDA 7 Overview .........................................................................................................1-2
1.2.1 CDA 7 Capacities...........................................................................................1-3
1.2.2 Channel Connectivity and Host Integration .....................................................1-4
1.2.3 Performance Features....................................................................................1-5
1.2.4 Availability Features .......................................................................................1-5
1.2.5 Serviceability Features ...................................................................................1-6
1.3 CDA 7 Options............................................................................................................1-7
1.3.1 Hardware Option............................................................................................1-7
1.3.1.1 Phone Multiplexer...........................................................................1-7
1.3.2 Software Options............................................................................................1-8
1.3.2.1 CDA 7 Enterprise Storage Platform (ESP) ......................................1-8
1.3.2.2 CDA 7 Remote Data Facility (SRDF) ..............................................1-8
2. CDA 7 Hardware
2.1 Major Components......................................................................................................2-1
2.1.1 Component Location ......................................................................................2-3
2.1.2 CDA 7 Block Diagrams...................................................................................2-5
2.2 Operator Panel ...........................................................................................................2-6
2.2.1 Disk Director Display ......................................................................................2-6
2.2.2 Channel Director Display................................................................................2-7
2.3 Disk Devices and SCSI Disk Emulation.......................................................................2-7
2.3.1 FBA Data and Command Format ...................................................................2-8
2.3.2 Logical Volume Structure for GCOS 7 environment ........................................2-8
2.4 Directors and Cache ...................................................................................................2-9
2.4.1 Ultra SCSI Channel Director...........................................................................2-9
2.4.2 Fibre Channel Director ...................................................................................2-9