Owners Manual

Figure 22. Replacing an EMM
1. EMM 2. Release lever
3. Release tab
5. Insert the replacement EMM into the bay until it is fully seated.
6. Push the release lever toward the chassis until it clicks into place.
7. Reconnect the SAS cables to the EMM.
Replacing Rack Rails
Rack rails are used to install SC100/SC120 expansion enclosures into a rack.
About this task
Use this procedure to replace rack rails.
NOTE: Replacing rack rails must be performed during a scheduled maintenance window when the
Storage Center is unavailable to the network.
Steps
1. Use SupportAssist to send diagnostic data to Dell Technical Support.
2. Shut down the storage system and the expansion enclosure.
3. Disconnect the power cables and SAS cables from the expansion enclosure.
4. Remove the expansion enclosure from the rack rails.
5. Remove the rack rails from the rack.
6. Install the replacement rack rails in the rack.
7. Install the expansion enclosure in the rack rails.
8. Reconnect the power cables and SAS cables to the expansion enclosure.
9. Start up the storage system and the expansion enclosure.
10. Use SupportAssist to send diagnostic data to Dell Technical Support.
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Replacing SC100/SC120 Expansion Enclosure Components