M To Install An Esm - Sun Microsystems StorEdge D2 Array Installation, Operation And Service Manual

To Install an ESM
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1. Go to the back of the array or turn the array so that the back is facing you.
2. Remove the ESM from the antistatic bag.
3. Make sure the switch 1 is set properly on the ESM for split-bus or single bus
configuration.
The following figure shows a close-up of the configuration options switches.
For a split-bus configuration, make sure switch 1 is Down on both ESMs.
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For a single-bus configuration, make sure switch 1 is Up.
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SCSI-A
D2
Caution – If you replace a failed ESM and the switch 1 is not set properly, data
corruption can occur.
4. Pull out the two metal locking bars located on the bottom front of the ESM.
5. Position the ESM in the appropriate chassis slot with the top side up.
6. With both hands, carefully slide the ESM into the slot, ensuring that the flange on
the canister top rides on the guides in the chassis.
7. Push the ESM into the slot until the clips lock the metal locking bars in place.
The Power LED lights green.
Configuration
Options
4 3 2 1
Configuration
Unit ID
Options
4 3 2 1
SCSI
Unit ID
SCSI-B
Chapter 4 Adding and Replacing FRUs 4-21