Chapter 4: Drive Connection 67
Drive Channel
Redundancy for
the E2600
Controller-Drive
Tray
Each controller in a E2600 has one drive port. When a controller-drive tray has two
controllers, the drive port on controller A and the drive port on controller B form a
redundant pair. The following figure shows the drive ports on a dual-controller
configuration.
NOTE To maintain data access in the event of the failure of a controller, an ESM, or
a drive channel, you must connect a drive tray or a string of drive trays to both drive
ports on a dual-controller configuration.
Figure 7 Redundant Path Pair on the E2600 Controller-Drive Tray
1. Controller Canisters
2. Drive Expansion Connectors (Redundant Path Pair)