HP StorageWorks 2/32 SAN switch 2/32 version 4.0.x installation guide - Page 93

How to Check the Current Core PID Setting for Switches Running Firmware Lower than V4.0.0 - san switch user manual

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Updating the Core Switch PID Format How to Check the Current Core PID Setting for Switches Running Firmware Lower than V4.0.0 To view a switch's current Core Switch PID format, connect directly to a switch in your SAN and complete the following steps via a telnet session or the Serial cable supplied. 1. Type configShow and press Enter. 2. About 15 lines down (press Enter to display more information on the page), locate the following line: fabric.ops.mode.pidFormat: 0 Note: The [0] value shown above indicates the Core Switch PID parameter is not set on this particular switch, and the switch will not use the Core Switch PID format addressing. If necessary, proceed to the next section for detailed procedures on changing the Core Switch PID format to 1. Updating the Core Switch PID Format Online In order for the switches already running in the SAN to interoperate properly with the SAN Switch 2/32, all of them must use a Core Switch PID format setting of 1. If the Core Switch PID format assigned to switches already running in the SAN is 0, then you must use these steps to update the value to 1. Note: The online update process is only intended for use in uptime-critical dual-fabric environments, with multi-pathing software. If dual-fabrics are not in place, there are a number of routine maintenance scenarios which require scheduled downtime, the core PID migration process being only one example. High-uptime environments should always use a redundant fabric SAN architecture. Complete these steps to update the Core Switch PID format while the SAN is running online. 1. Back up all data. Verify backups. 2. If the multi-pathing software cannot automatically switch over between fabrics seamlessly enough for the users of the SAN, use the software's administrative tools to manually disassociate, or mark offline all storage SAN Switch 2/32 Installation Guide 93

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Updating the Core Switch PID Format
93
SAN Switch 2/32 Installation Guide
How to Check the Current Core PID Setting for Switches Running
Firmware Lower than V4.0.0
To view a switch’s current Core Switch PID format, connect directly to a switch in
your SAN and complete the following steps via a telnet session or the Serial cable
supplied.
1.
Type
configShow
and press
Enter
.
2.
About 15 lines down (press
Enter
to display more information on the page),
locate the following line:
fabric.ops.mode.pidFormat: 0
Note:
The [0] value shown above indicates the Core Switch PID parameter is not set on
this particular switch, and the switch will not use the Core Switch PID format addressing.
If necessary, proceed to the next section for detailed procedures on changing the
Core Switch PID format to 1.
Updating the Core Switch PID Format Online
In order for the switches already running in the SAN to interoperate properly with
the SAN Switch 2/32, all of them must use a Core Switch PID format setting of
1
.
If the Core Switch PID format assigned to switches already running in the SAN is
0
, then you must use these steps to update the value to
1
.
Note:
The online update process is only intended for use in uptime-critical dual-fabric
environments, with multi-pathing software. If dual-fabrics are not in place, there are a
number of routine maintenance scenarios which require scheduled downtime, the core
PID migration process being only one example. High-uptime environments should
always use a redundant fabric SAN architecture.
Complete these steps to update the Core Switch PID format while the SAN is
running online.
1.
Back up all data. Verify backups.
2.
If the multi-pathing software cannot automatically switch over between
fabrics seamlessly enough for the users of the SAN, use the software’s
administrative tools to manually disassociate, or mark offline all storage