About this task
EMMs can be replaced one at a time without shutting down the storage system.
Steps
1.
Disconnect the SAS cables connected to the EMM.
NOTE: Make sure all of the cables are labeled before disconnecting them from the EMM.
2.
Push down on the release tab and pull the release lever away from the chassis.
3.
Grasp the release lever and pull the EMM away from the chassis.
Figure 21. Replacing an EMM
1.
EMM
2. Release lever
3. Release tab
4.
Insert the replacement EMM into the bay until it is fully seated.
5.
Push the release lever toward the chassis until it clicks into place.
6.
Reconnect the SAS cables to the EMM.
Next steps
1.
Use SupportAssist to send diagnostic data to Dell Technical Support Services.
Replacing Rack Rails
Rack rails are used to install SC100/SC120 expansion enclosures into a rack.
Prerequisites
1.
Use SupportAssist to send diagnostic data to Dell Technical Support Services.
2.
Shut down the storage system and expansion enclosures.
About this task
Use this procedure to replace rack rails.
Replacing SC100/SC120 Components
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