Concurrent maintenance is the capability to complete I/O
operations to the EMC Symmetrix or Symmetrix DMX while simultaneously
completing maintenance operations on it.
Important: Service actions and update procedures can be completed only by an EMC Field Engineer.
The EMC Symmetrix and Symmetrix DMX are Enterprise class devices that support nondisruptive
replacement of the following components:
- Channel Director
- Disk Director
- Cache card
- Disk drive
- Cooling fan
- Comms card
- EPO card
- Operator panel
- PSU
- Service Processor
- Batteries
- Ethernet hub
The system and EMC Symmetrix/Symmetrix DMX support concurrent update of the EMC Symmetrix/Symmetrix DMX
firmware.