D-Link DSN-6210 User Manual - Page 107
Dual Controllers, Perform I/O
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D-Link Document - User Manual CAUTION: Before using trunking or LACP, the gigabit switch must support either trunking or LACP. Otherwise, the host cannot connect link with the storage device. Dual Controllers The D-Link storage system supports dual controllers of the same type for redundancy. Controller 1 (CTRL 1) is the master controller and controller 2 (CTRL 2) is the slave by default. CAUTION: If you try to increase the system memory and are running in dual controller mode, please make sure both controllers have the same DIMM on each corresponding memory slot. Failing to do so will result in controller malfunction, which will not be covered by warranty. Be aware that when the LED of the Controller Health is in RED, please DO NOT unplug the controller from the system or turn off the power suddenly. This may cause unrecoverable damage, which will not be covered by warranty. Perform I/O Please refer to the following topology and have all the connections ready. To perform I/O on dual controllers, server/host should setup MPIO. MPIO policy will keep I/O running and prevent fail connection with single controller failure. Copyright@2014 D-Link System, Inc. All Rights Reserved. 107