Table of Contents vii
One Host to a Controller Tray or a Controller-Drive Tray . . . . . . . . . . . . . 50
Two Hosts to a Controller Tray or a Controller-Drive Tray. . . . . . . . . . . . 51
Two Hosts to a Controller-Drive Tray with Switched SAS Connections. . 53
Four Hosts to a Controller Tray or a Controller-Drive Tray. . . . . . . . . . . . 55
Mixed Topologies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Chapter 4 Drive Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Drive Channel Redundancy for the CE7900 Controller Tray and the CE7922
Controller Tray. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Drive Channel Redundancy for the CE6998 Controller Tray . . . . . . . . . . . . . . 62
Drive Channel Redundancy for the E5460 Controller-Drive Tray . . . . . . . . . . 63
Drive Channel Redundancy for the E5412 Controller-Drive Tray and the E5424
Controller-Drive Tray. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Drive Channel Redundancy for the CE4900 Controller-Drive Tray . . . . . . . . . 65
Drive Channel Redundancy for the CDE3994 Controller-Drive Tray and the
CDE3992 Controller-Drive Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Drive Channel Redundancy for the E2600 Controller-Drive Tray . . . . . . . . . . 67
Drive Channel Redundancy for the E2660 Controller-Drive Tray . . . . . . . . . . 68
ESM Canister Arrangements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Drive Cabling Topologies for the CE7900 Controller Tray and the CE7922
Controller Tray. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Connection for the CE7922 Controller Tray or the CE7900 Controller Tray
and One to Four FC4600 Drive Trays. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Connection for the CE7922 Controller Tray or the CE7900 Controller Tray
and Five to Eight FC4600 Drive Trays. . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
One CE7922 Controller Tray or CE7900 Controller Tray and Nine to 16
FC4600 Drive Trays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
One CE7922 Controller Tray or CE7900 Controller Tray and 17 to 28
FC4600 Drive Trays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
One CE7922 Controller Tray or CE7900 Controller Tray and One to Four
DE6900 Drive Trays without Trunking . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
One CE7922 Controller Tray or CE7900 Controller Tray Five to Eight
DE6900 Drive Trays without Trunking . . . . . . . . . . . . . . . . . . . . . . . . . . . 83