Adaptec 412R User Guide - Page 6
DuraStor 7320SS only, Hubs Disabled Single-Port Hosts and One Switch
UPC - 760884139691
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Contents Common SCSI Bus Problems 6-3 Terminal Emulator and COM Port Problems 6-6 Host SCSI Channel Problems 6-8 Device SCSI Channel Problems 6-9 Problems During Bootup 6-9 Controller Problems 6-11 Common Problems and Interpreting the LEDs 6-12 Warning and Error Events 6-13 Warnings 6-13 Errors 6-15 Disk Errors 6-16 Disk Channel Errors 6-17 A Theory of Controller Operation Operating Modes Overview A-2 Operating Modes - DuraStor 6320SS A-4 Stand-Alone Mode A-4 Active-Active Mode A-7 Active-Passive Mode A-11 Operating Modes - DuraStor 7320SS A-14 Stand-Alone Mode A-14 Active-Active Mode A-16 Active-Passive Mode A-21 Understanding Mirrored Operations A-24 Clustering A-25 Minimizing Downtime for Maximum Data Availability A-25 How Available are Clusters? A-27 Application of Availability A-27 B SAN Solution Strategies (DuraStor 7320SS only) Active-Active Dual-Port Mode for SAN B-2 Hubs Enabled B-3 Hubs Disabled B-5 Active-Active Single-Port Mode for SAN B-7 Hubs Disabled (Single-Port Hosts and One Switch) B-7 v