Serviceability features
37
Introducing the Symmetrix DMX-3
Serviceability features
Each Symmetrix DMX-3 has an integrated service processor that
continuously monitors the Symmetrix environment. The service
processor communicates with the EMC Customer Support Center
through a customer-supplied direct phone line. The service processor
automatically dials the Customer Support Center whenever the
Symmetrix system detects a component failure or environmental
violation. An EMC Product Support Engineer at the Customer
Support Center can also run diagnostics remotely through the service
processor to determine the source of a problem and potentially
resolve it before the problem becomes critical. Within the DMX-3
control e-net matrix is the Communications and Environmental
Control Module, known as the XCM. The XCM provide the low-level
system-wide communications for running application software,
monitoring, and system diagnostics from the service processor.
Symmetrix DMX systems feature an incrementally scalable design
with a low parts count for quick component replacement, should a
failure occur. This low parts count minimizes the number of failure
points.
The Symmetrix DMX systems feature nondisruptive replacement of
its major components, which can be replaced while the Symmetrix
system is powered on, including:
◆ Channel directors
◆ Disk directors
◆ Global memory directors
◆ Disk adapters
◆ Channel adapters
◆ Disk drives
◆ Power supplies
◆ Power Distribution Units (PDU)
◆ Power Distribution Panels (PDP)
◆ Power supply/ cooling module for drive enclosure
◆ Battery backup modules
◆ Cooling fan modules
◆ Communications and Environmental Control (XCM) modules
◆ Service processor components:
• Keyboard
• Video Display and Mouse
Note: Chapter 2, “Symmetrix DMX-3 Hardware” and “Nondisruptive
component replacement” on page 172 provide more information on these
components.
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