Shared and Common Storage

Use the Shared and Common Storage panel to view information about the shared and common storage areas.

Figure 1. Shared and Common Storage panel (ZJ225C)

________________ ZJ225C   VTM     O2       V540.#P SE12 MM/DD/YY HH:MM:SS   2 
>       Help PF1         Back PF3             Up PF7            Down PF8       
> R.M.C                                                                        
>                                                                              
> A-Address Space Summary B-Thread Information *-Shared and Common Storage     
> D-Stmt Cache and xProc  E-Pool Detail        F-IRLM Storage                  
===============================================================================
>                   Shared and Common Storage                                  
 J22C                                                                          
+      MVS Extended CSA Size                                       308156K     
+                                                                              
+      Total 31-Bit Common Fixed Pool Storage                       876544     
+      Total 31-Bit Common Variable Pool Storage                    692224     
+      Total 31-Bit Common Getmained Storage                        113709     
+                                                                              
+      Total 64-Bit Common Fixed Pool Storage                      5632000     
+      Total 64-Bit Common Variable Pool Storage                   305196K     
+      Total 64-Bit Common Getmained Storage                        200512     
+                                                                              
+      Total 64-Bit Common Storage for SM Cntl Struct              1400832     
+      Total 64-Bit Shared Storage for SM Cntl Struct              2056192     
+                                                                              
+      Total 64-Bit Shared Variable Pool Storage                  13443072     
+      Total 64-Bit Shared Fixed Pool Storage                      3067904     
+      Total 64-Bit Shared Getmained Storage                       9834416     
+                                                                              
+      Total 64-Bit Shared System Agent Stack                      262144K     
+      Total 64-Bit Shared System Agent Stack In Use              33292288     
+      Total 64-Bit Shared Non-System Agent Stack                  786432K     
+      Total 64-Bit Shared Non-System Agent Stack In Use           4194304     
+                                                                              
+      Number of Shared Memory Objects                                  10     
+      Number of 64-Bit Shared Memory Pages                        475136K     
+      High Water Mark 64-Bit Shared Bytes                        1900544M     
+                                                                              
+      Number of 64-Bit Shared Pages In Real Storage                 16203     
+      Number of Auxiliary Slots fir 64-Bit Shared Storage           44326     
+      Number of 64-Bit Paged-in Shared Pages                        10056     
+      Number of 64-Bit Paged-out Shared Pages                       60729     
+                                                                              
+      Number of 4K Frames In Use for 64-Bit Shared Storage           2361     
+      Number of 4K Auxiliary Slots for 64-Bit Shared Storage         2686     
+      Number of 4K Frames In Use for 64-Bit Shared Stack              600     
+      Number of 4K Auxiliary Slots for 64-Bit Shared Stack           3407     
+      Number of 4K Frames In Use for 64-Bit Common Storage           4988     
+      Number of 4K Auxiliary Slots for 64-Bit Common Storage         2394     
+                                                                              
+      Log Mgr Write Buffer Frames in REAL                            1023     
+      Log Mgr Write Buffer Frames in AUX                               11     
+      Log Manager Control Frames in REAL                                1     
+      Log Manager Control Frames in Aux                                 0     
===============================================================================

Fields

MVS™ Extended CSA Size
The extended CSA size.
Db2 field
QW0225EC
Total 31-Bit Common Fixed Pool Storage
The total size of the 31-bit common fixed pool storage.
Db2 field
QW0225FC
Total 31-Bit Common Variable Pool Storage
The total size of the 31-bit common variable pool storage.
Db2 field
QW0225VC
Total 31-Bit Common Getmained Storage
The total size of the 31-bit common getmained storage.
Db2 field
QW0225GC
Total 64-Bit Common Fixed Pool Storage
The total size of the 64-bit common fixed pool storage.
Db2 field
QW0225FCG
Total 64-Bit Common Variable Pool Storage
The total size of the 64-bit common variable pool storage.
Db2 field
QW0225VCG
Total 64-Bit Common Getmained Storage
The total size of the 64-bit common getmained storage.
Db2 field
QW0225GCG
Total 64-Bit Common Storage for SM Cntl Struct
The total size of the 64-bit common storage allocated for storage manager control structures.
Db2 field
QW0225SMC
Total 64-Bit Shared Storage for SM Cntl Struct
The total size of the 64-bit shared storage for storage manager control structures.
Db2 field
QW0225SMS
Total 64-Bit Shared Variable Pool Storage
The total size of the 64-bit shared variable pool storage.
Db2 field
QW0225SV
Total 64-Bit Shared Fixed Pool Storage
The total size of the 64-bit shared fixed pool storage.
Db2 field
QW0225SF
Total 64-Bit Shared Getmained Storage
The total size of the 64-bit shared getmained storage.
Db2 field
QW0225SG
Total 64-Bit Shared System Agent Stack
The total size of the 64-bit shared storage allocated for system agent stack use.
Db2 field
QW0225GSG_SYS
Total 64-Bit Shared System Agent Stack In Use
The total size of the 64-bit shared system agent stack that is in use.
Db2 field
QW0225SUG_SYS
Total 64-Bit Shared Non-System Agent Stack
The total size of the 64-bit shared storage allocated for non-system agent stack use.
Db2 field
QW0225GSG
Total 64-Bit Shared Non-System Agent Stack In Use
The total size of the 64-bit shared non-system agent stack that is in use.
Db2 field
QW0225SUG
Number of Shared Memory Objects
The number of shared memory objects allocated for the LPAR.
Db2 field
QW0225SHRNMOMB
Number of 64-Bit Shared Memory Pages
The number of 64-bit shared memory pages allocated for the LPAR (this count includes hidden pages).
Db2 field
QW0225SHRPAGES
High Water Mark 64-Bit Shared Bytes
The high-water mark of the 64-bit shared bytes for the LPAR.
Db2 field
QW0225SHRGBYTES
Number of 64-Bit Shared Pages In Real Storage
The number of 64-bit shared pages backed in real storage (4K pages) for the LPAR.
Db2 field
QW0225SHRINREAL
Number of Auxiliary Slots fir 64-Bit Shared Storage
The number of auxiliary slots used for 64-bit shared storage for the LPAR.
Db2 field
QW0225SHRAUXSLOTS
Number of 64-Bit Paged-in Shared Pages
The number of 64-bit shared pages paged in from auxiliary storage for the LPAR.
Db2 field
QW0225SHRPAGEINS
Number of 64-Bit Paged-out Shared Pages
The number of 64-bit shared pages paged out to auxiliary storage for the LPAR.
Db2 field
QW0225SHRPAGEOUTS
Number of 4K Frames in Use for 64-Bit Shared Storage
The number of real 4K frames in use for 64-bit shared storage, recorded at the subsystem level (does not include shared stack storage).
Db2 field
QW0225ShrStg_Real
Requires
z/OS® version 1.10 and later
Number of 4K Auxiliary Slots for 64-Bit Shared Storage
The number of 4K auxiliary slots in use for 64-bit shared storage, recorded at the subsystem level (only includes auxiliary slots occupied by pages that are paged out, does not include shared stack storage).
Db2 field
QW0225ShrStg_Aux
Requires
z/OS version 1.10 and later
Number of 4K Frames in Use for 64-Bit Shared Stack
The number of real 4K frames in use for 64-bit shared stack storage, recorded at the subsystem level.
Db2 field
QW0225ShrStkStg_Real
Requires
z/OS version 1.10 and later
Number of 4K Auxiliary Slots for 64-Bit Shared Stack
The number of 4K auxiliary slots in use for 64-bit shared stack storage, recorded at the subsystem level (only includes auxiliary slots occupied by pages that are paged out).
Db2 field
QW0225ShrStkStg_Aux
Requires
z/OS version 1.10 and later
Number of 4K Frames in Use for 64-Bit Common Storage
The number of real 4K frames in use for 64-bit common storage, recorded at the subsystem level.
Db2 field
QW0225ComStg_Real
Requires
z/OS version 1.10 and later
Number of 4K Auxiliary Slots for 64-Bit Common Storage
The number of 4K auxiliary slots in use for 64-bit common storage, recorded at the subsystem level (only includes auxiliary slots occupied by pages that are paged out).
Db2 field
QW0225ComStg_Aux
Requires
z/OS version 1.10 and later
Log Mgr Write Buffer Frames in REAL
The number of frames in real storage that are used for log manager write buffers.
Requires
Db2 11 and higher
Log Mgr Write Buffer Frames in AUX
The number of auxiliary frames that are used for log manager write buffers.
Requires
Db2 11 and higher
Log Manager Control Frames in REAL
The number of frames in real storage that are used for log manager control structures.
Requires
Db2 11 and higher
Log Manager Control Frames in Aux
The number of frames in auxiliary storage that are used for log manager control structures.
Requires
Db2 11 and higher