PARTINFO | Interpreting the PNo and PId Fields

Products

• SYSVIEW Performance Management

Issue/Introduction

The PARTINFO command displays information about the logical partitions defined in the physical hardware complex. Two fields that are questioned in this display are:

Field	Description
PNo	The partition number in decimal format.
PId	The logical partition identifier in hexadecimal.

Environment

z/OS:	Any supported
Product:	SYSVIEW
Release(s):	16.0, 15.0

Cause

When viewing this panel, users question how the "PNo" and "PId" data fields are generated.

Resolution

Pictured above is an example of the PARTINFO panel. For the fields in question, information is derived from two locations:

Field	SMF Record	Description	Common Location	Notes
PNo	SMF70LPN	Logical Partition Number	SMF 70 record	"'PNo' is assigned internally alphabetically. There is no control." * "SMF70LPN value is coming directly from IBM hardware macro calls" * IBM Informational APAR II13668 discusses SMF70LPN (requires login)

 

Field	SMF Record	Description	Common Location	Notes
PId	SMF70UPI	User Partition ID	MVS DISPLAY M=CPU	The Partition ID can be viewed and updated on the HMC* MVS DISPLAY M command output is generated from the LPAR Image Profile, located on the HMC* Errors within the LPAR Image Profile can adversely effect command output, resulting in incorrect information being displayed in the PARTINFO panel

 

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Here is the use of the MVS DISPLAY M=CPU command to determine the User Partition Id value location:

D M=CPU                                                  
IEE174I 12.01.56 DISPLAY M 156                           
CORE STATUS: HD=Y   MT=2  MT_MODE: CP=1  zIIP=2          
ID    ST   ID RANGE   VP  ISCM  CPU THREAD STATUS        
0000   +   0000-0001  H   FC00  +N                       
0001   +   0002-0003  M   0000  +N                       
0002   +   0004-0005  L   0000  +N                       
0003   +   0006-0007  L   0000  +N                       
0004   +I  0008-0009  M   0200  ++                       
0005   +I  000A-000B  M   0200  ++                       
0006   +I  000C-000D  LP  0200  ++                       
0007   -   000E-000F                                     
0008   N   0010-0011                                     
0009   N   0012-0013                                     
000A   N   0014-0015                                     
000B   NI  0016-0017                                     
000C   NI  0018-0019                                     
000D   NI  001A-001B                                     
                                                         
CPC ND = 000000.M00.IBM.02.000000000000                  
CPC SI = 0000.000.IBM.02.0000000000000000                
         Model: M00                                      
CPC ID = 00                                              
CPC NAME = MF00                                          
LP NAME = CA1        LP ID =  1                          
CSS ID  = 0                                              
MIF ID  = 1                                              
                                                         
+ ONLINE    - OFFLINE    N NOT AVAILABLE    / MIXED STATE
W WLM-MANAGED                                            

Additional Information

• Content with a '*' noted was provided via a customer PMR with IBM
  
  
• Informational APAR II13668 provides information on SMF70LPN