CX4-480 installation with2 racks

The Interactive Installation Guide (IIG) ships with the storage system and will guide you throught the installation. The CX4-480 is completely customer installable, however Professional Services are offered for a fee if you would like EMC or an EMC Authorized Service Network Partner to preform the installation and/or implementation for you. You sales account team can help you with this.

The IIG as well as user customizable documentation can be found on EMC Powerlink at:

Home > Support > Product  and Diagnostic Tools > CLARiiON  Tools > CLARiiON CX4 Series

Assuming the order was placed to be factory racked then it will follow these rules:

• The CX4-480 has four back end busses (0, 1, 2 & 3). Each bus supports up to eight DAEs (numbered 0 to 7)
  
• If your order contains a single bus speed and a single DAE type then the DAEs will be balanced across the backend buses.
• If your order contains a single bus speed and two DAE types then each type will be isolated on separate buses and then balanced across the backend buses.
• The DAE's located in the second cabinet will be balanced across the available backend busses, with each backend bus interconnecting physically adjacent DAE's.
• There will be total of (10) DAEs including the DAE that contains the boot drives in the first rack. Additional DAEs will go into the second rack.
• 1U of empty space is always left at the bottom of the cabinet to facilitate SPS installation/removal. An additional 3U is left to accommodate a possible future data-in-place upgrade to a CX4-960.
• There can be up to (13) DAEs in the second cabinet.

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If you ordered both racks full that would be (23) total DAEs divided by four so that means that there will be (6) DAEs on Buses 0, 1 & 2 and (5) DAEs on Bus 3.

Hi Jen

thanks for the details...

one thing I just want to make sure of that if the first rack was connected from factory  and the second also connected ..... how would I connect them ?

i mean Do i have to give the second rac which will have 3 DAEs a separate bus connected from the SPE BE port to 1 DAE in 2nd rack OR connect the last DAE in the first Rack  to the first DAE in 2nd rack ?

NOTE : all the 13 DAE's are the same type....

one thing ..... do i have to set EA for DAE's in the second RACK after powerup ?

Thanks for your valuable info