Chapter 8. Software stack
215
Figure 8-1 xCAT hierarchical cluster management
Automatic discovery
Single power button press, physical location-based discovery and
configuration capability. Although this feature is mostly hardware-dependent,
xCAT 2 was developed to ease integration for new hardware. The plug-in
software architecture provides an easy development mechanism for the new
hardware.
Plug-in architecture for compartmental development
Add your own xCAT functionally to do whatever you want. New plug-ins
extend the xCAT vocabulary that is available to xCAT clients.
Notification infrastructure
By using this feature, you can watch for xCAT DB table changes via the
notification infrastructure.
SNMP monitoring
Default monitoring uses SNMP trap handlers to handle all SNMP traps.
CLI/ GUI
RMC
xCAT
RMC
RMC
RMC
GPFS
LSF
CNM
TPC
GPFS
xCAT
xCAT
RMC
LSF
RMC
GPFS
LSF
RMC
GPFS
LSF
GPFS
MN
SNs
CNs
Management
path
Monitoring
path
Out-of-band
path
HW
Ctrl
HW
Ctrl
GPFS
xCAT
•
xcatd
•
monitorctrl
•
monitoring plug-in modules
includes:
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