Determining if you need to enable the core pid, Example scenarios, Table 8: sample fabric scenarios – HP StorageWorks MSA 2.8 SAN Switch User Manual
Page 142: 8 sample fabric scenarios

Updating Switches to the Core PID Addressing
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Fabric OS Procedures Version 3.1.x/4.1.x User Guide
Determining If You Need to Enable the Core PID
Use the following scenarios to determine if any Core PID-related action is
required for your particular fabric.
Example Scenarios
Table 8: Sample Fabric Scenarios
Scenario
Desired Change
Required Action
You have a fabric of all
4.x switches (Core Switch
2/64 and SAN Switch
2/32).
Add an additional 4.x switch to
the fabric.
No action is required. The Core PID is
enabled by default.
Add a 3.x switch to the fabric.
■
The firmware must be upgraded
to 3.0.2g +.
■
The Core PID must be enabled
before it can join the fabric.
Add a 2.x switch to the fabric.
■
The firmware must be upgraded
to 2.6.0c + (2.6.1 is
recommended).
■
The Core PID must be enabled
before it can join the fabric.
You have a fabric of
switches that use 3.x
firmware only.
Add an additional 3.x firmware
switch to the fabric.
No action is required. The switch is in
Native Addressing Mode, but Core
PID is not necessary since the fabric
does not contain a 4.x switch.
Add a 2.x switch to the fabric.
No action is required. The switch is in
Native Addressing Mode, but Core
PID is not necessary since the fabric
does not contain a 4.x switch.
Add a 4.x switch (Core Switch
2/64 or SAN Switch 2/32) to
the fabric.
■
The firmware must be upgraded
to 3.0.2g +.
■
The Core PID must be enabled
before it can join the fabric.