Fujitsu Siemens Computers SX series User Manual page 407

Appendix
FC, Ethernet and SCSI controllers can be replaced during ongoing operation, as can the
redundant system components hard disks, power supplies and fans. The reconfiguration
options of processors, memory and I/O system means that the SX150 system offers high
availability. The maximum power supply protection can be achieved by using the optional
dual power supply.
The SX150 system has a highly available system control network; this has the following
functions:
– It monitors and controls the operating status (temperature, fans, etc.).
– Defective memory blocks are handled without any effect on the system.
– It informs the console about error conditions.
– It forms the basis for preventive maintenance.
– It monitors and controls all cabinets via RCI (Remote Cabinet Interface).
Dynamic Reconfiguration (DR)
The DR capability of the SX150 model series relates to the system board format and the
configuration and cannot take into account any current and workload-generating applica-
tions.
The following functions are available in BS2000 partitions for performing Dynamic Recon-
figuration:
DR-connect
Connection of an XSB with implicit attachment (ATTACH) of the CPUs, the memory and
the I/O devices in BS2000/VM2000.
DR-disconnect
Disconnection of an XSB with implicit detachment (DETACH) of the CPUs and the I/O
ports (exception: UHPS) in BS2000/VM2000.
Automatic recovery function
In a BS2000 partition with DR capability this function ensures that after a system reboot
which was caused by a component failure (consequence: XSB failure), the system
board with the failed XSB can be serviced for this partition during ongoing operation.
The following DR applications are supported here:
Resource distribution/dynamic workload distribution between partitions of the server
Capacity on Demand (CoD)
Online maintenance (repair) after a fault
Detailed information is provided in the
U41272-J-Z385-3-76
chapter "Dynamic Reconfiguration" on page
Model ranges
285ff.
407