Drive Channel Redundancy For The E2612 And E2624 Controller-Drive Trays - Quantum StorNext QD7000 Hardware Manual

116 | Hardware Cabling Guide

Drive channel redundancy for the E2612 and E2624 controller-drive trays

Controller-drive trays
Each controller in an E2612 or E2624 controller-drive tray 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.
To maintain data access in the event of the failure of a controller, an ESM, or a drive
Note:
channel, you must connect a drive tray or a string of drive trays to both drive ports on a dual-
controller configuration.
The following figures show the drive ports on dual-controller configurations.
Drive channel redundancy on the E2612 and E2624 controller-drive trays
1. Controller canisters
2. Drive expansion connectors (rredundant path pair)
Drive channel redundancy on the E2660 controller-drive tray
1 2 1
2
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