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Dynamic Reconfiguration
1. Temporary operation (until online maintenance) with reduced resources
The entire procedure is illustrated with the figure below (CPU and memory values relate to
BS2000):
Normal operation
4 CPUs, 10 GB
Figure 110: Online maintenance: Temporary operation (until online maintenance) with reduced resources
After the failure the BS2000 partition continues to operate with the above-mentioned
reduced resources (see Restricted operation 1 in
values relate to BS2000) until the next online maintenance is performed.
The measures described below are performed by the service engineer at a time selected
by the customer, e.g. within a maintenance window:
1. XSB 00-1 can be disconnected from the partition using DR-disconnect, in which case the
partition operates with 2 CPUs (1 BS2000-CPU = 25%) and 8 GB of memory (6 GB of
BS2000 main memory = 60%) (see Restricted operation 2 in
With the remaining resources, in terms of its RPF performance the partition corre-
sponds to the SX150-10C model.
2. Remove the system board, repair or replace and install the system board.
3. Start up the two XSBs 00-0 und 00-1 with DR-connect.
This restores the initial status for this partition with 100% use of the CPUs and, in the ideal
case, of the memory.
U41272-J-Z385-3-76
Restricted
operation 1
3 CPUs, 6 GB
Failure, reboot,
autom. recovery
Functional scope, concepts and applications
Restricted
operation 2
1 CPU, 6 GB
DR-disconnect
and removal of
defective SB
figure
110, where the CPU and memory
Normal operation
4 CPUs, 10 GB
Installation of SB
and startup of XSBs
figure
110).
299
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