
PRIMEQUEST 2000 Series Design Guide
SB#0
SB#1
SB#2
SB#3
IOU#0
IOU#1
IOU#2
IOU#3
SB#0
SB#1
SB#2
SB#3
IOU#0
IOU#1
IOU#2
IOU#3
3.2.3 Switching Reserved SB Rules (2/5)
When an SB Is Set as a Reserved SB for Multiple Partitions
If multiple SBs in different partitions fail simultaneously, the Reserved SB is
used to replace the failed SB in the partition with the lowest partition number.
R
R
: Reserved SB
H
H
H
H
H
: Home SB
R
[Example] An SB is Set as a Reserved SB for Two Partitions.
(If SB#0 and SB#2 Fail Simultaneously)
Partition#1
Partition#0
Partition#1
Partition#0
* The setting of SB#3 as the Reserved SB for partition#1 is
automatically cancelled when Reserved SB switching occurs.
The SB with the lowest SB
number is changed to the
new Home SB.
Not switched to
the Reserved SB
Copyright 2016-2017 FUJITSU LIMITED
75