IBM System Storage DR550 | Version 3.0 | 17 March 2006 | Page 40 |
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Cabling between the Racks
This section is only applicable to the dual node 89.6 TB configuration of the DR550. At 44.8 TBs of raw capacity, the first rack is fully populated. Thus to expand the storage capacity beyond 44.8 TBs, an additional rack is required. Cabling between the racks is accomplished with two
•Connects the second DS4100 to the Fibre channel SAN switches
•Connects the second DS4100 to the Ethernet ports on the P5 520 server
To connect RACK1 with RACK2, the following four connections should be made:
Rack / EIA
RACK2 / EIA1
RACK2 / EIA1
RACK2 / EIA1
RACK2 / EIA1
Device
DS4100_2
Ctrl_A
DS4100_2
Ctrl_B
DS4100_2
Ctrl_A
DS4100_2
Ctrl_B
Connector
Host 1
Host 1
Ethernet
Ethernet
Rack / EIA
RACK1 / EIA17
RACK1 / EIA23
RACK1 / EIA13
RACK1 / EIA13
Device
SAN Switch_1
SAN Switch_2
DR_Engine_1
DR_Engine_1
Connector
Port_3
Port_3
Ethernet
Ethernet
It is the customer’s responsibility to connect these cables. The following diagram shows the required FC connections. Orange (dotted) cables represent fibre channels connections. The black (thin) connections have been done in manufacturing.
89.6 TB Rack FC Interconnections
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EXP100_1,4
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | Switch_2 |
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DS4100_2 |
DS4100_1 |
IBM Storage Systems | Copyright © 2006 by International Business Machines Corporation |
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