3PAR InForm® OS 2.3.1 Messages and Operator's Guide (320-200181 Rev B, February 2010)

2.10
Understanding Component Numbering
Messages and Operator’s Guide InForm OS Version 2.3.1
2.2.4 Controller Node Numbering
The S-Class Storage Servers use P4 controller nodes. S-Class Storage Servers contain the
following numbers of controller nodes:
A controller node assumes the number of the bay that it occupies in the storage server
midplane, as shown in Figure 2-9.
Table 2-3. Number of Controller Nodes by Storage Server Midplane Model Number
Storage server midplane Number of nodes
InServ S400 2 or 4
InServ S800 2, 4, 6, or 8