Single / Dual Controller Update
A single CM configuration is allowed to be upgraded to a
dual CM configuration in the field
Also the Drive Enclosure need to be upgraded
Copyright Fujitsu Technology Solutions, Release August 2011
Hardware Installation ETERNUS DX80 S2 and DX90 S2
CE
CM #0
DE
IOM6
DE
IOM6
CE
DE
IOM6
DE
IOM6
IOM6
IOM6
Single CM Dual CM
CA
CA
CM#0
CA
CA
CM#1
CA
CA
1 CM to 2 CM upgrade parts
CA: Channel Adapter
IOM: IO module
DE: Device Enclosure
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