Concurrent maintenance
is the capability to perform I/O operations
to the EMC Symmetrix or Symmetrix DMX while simultaneously performing
maintenance
operations on it.
Important: Service
actions and upgrade procedures can
only be performed 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 SAN Volume Controller and
EMC Symmetrix/Symmetrix DMX support concurrent
upgrade of the EMC Symmetrix/Symmetrix DMX firmware.