PRIMEQUEST 2000 Series Design Guide
3.2.1 Partitioning Design Rules (1/2)
Component name
Minimum
Maximum
Configuration conditions
SB
1 board
4 boards in total
None
Memory Scale-up Board
0 boards
None
IOU
1 unit
4 units
None
Half of a DU: RAID card slot x 1, HDD bay x 2
0 units
The number of IOUs
Must be connected to an IOU
PCI Box LH
(half of a PCI Box: LINKC x 1, PCI Express slot x 6)
0 units
The number of IOUs
Must be connected to an IOU
One or more usable SBs and one or more usable IOUs are required in one partition.
For essential operations, it is recommended to set them in a partition with the
lowest partition number and also incorporate SBs with lower SB numbers in the
partition.
It is recommended that the SB with the lowest SB number is specified as the
Home SB.
When including DUs and PCI Boxes in a partition, include the IOU for connecting
these components in the same partition.
Note that the performance and the number of software licenses may vary if
Reserved SB switching occurs or the system configuration is changed.
Partition Granularity and Configuration Conditions
* If an upper component is degraded, the lower components also cannot be used.
(If an IOU is degraded, the DUs and PCI Boxes that are connected to the IOU are also degraded.)
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