Adabas Checkpoints

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# Adabas Checkpoints

Checkpoint names starting with "SYN"" are reserved for the Adabas nucleus and utilities, as described in:

- SYNC -- A synchronized checkpoint made during nucleus initialization, including the status of the ADARUN IGNDIB and FORCE parameters.

- SYNF -- A checkpoint taken by a user program or utility that requires exclusive (EXF) control of one or more files.

- SYNP -- A checkpoint from a utility that requires privileged control. Such a utility can perform updating without using the Adabas nucleus.

- SYNS (mainframe only) -- A checkpoint from Adabas Online System (SYSAOS), ADADBS, or the nucleus. The table below identifies the source. The function identified by this checkpoint is implemented without user intervention during regeneration.

  Exceptions include a second SYNS 5B recorded at the end of a nucleus session, SYNS 60 recorded at an interval specified by the ADARUN INTNAS parameter, and SYNS 61 recorded when more space is allocated for a file.

- SYNV (mainframe only) -- Indicates that a volume ID changed during sequential write to a data set is being closed.

- SYNX -- A checkpoint from a utility requiring exclusive control (EXU) of one or more files.

- SYN1 (mainframe only) -- A checkpoint made at the beginning of online ADASAV execution (SAVE database function).

- SYN2 (mainframe only) -- A checkpoint made at the end of online ADASAV execution (SAVE database function).

- SYN4 (mainframe only) -- A checkpoint made at the beginning of online ADASAV execution (SAVE files operation).

- SYN5 (mainframe only) -- A checkpoint made at the end of online ADASAV execution (SAVE files operation).

The following table describes the checkpoints written by the Adabas nucleus or utilities:

Type | Name | Originator | Description
--- | --- | --- | ---
01 | SYNC | ADANUC | Written by nucleus at start of nucleus session.
01 | SYNF | User/Utility | User/utility session OPEN with files used in EXF (exclusive use) mode.
01 | SYNS | ADANUC | Written by the starting of a second or subsequent Parallel Services or Cluster Services nucleus.
01 | SYNX | EXU user | EXU user open.
02 | SYNV | ADANUC | VOLSER entry. Written at volume switch on DD/SIBA and at the end of the session if sequential logging is used.
03 | SYNF | User/Utility | Close checkpoint for an EXF user.
03 | SYNX | EXU | Close checkpoint for an EXU user.
05 | SYN4 | ADASAV | SAVE file(s)-start of operation with nucleus active.
05 | SYN5 | ADASAV | SAVE file(s)-end of operation with nucleus active.
05 | SYNP | ADASAV | SAVE file(s)-start of operation
06 | SYN1 | ADASAV | SAVE database-start of operation with nucleus active.
06 | SYN2 | ADASAV | SAVE database-end of operation with nucleus active.
06 | SYNP | ADASAV | SAVE database-start of operation
07 | SYNP | ADASAV | RESTORE file(s)-end of operation
08 | SYNP | ADASAV | RESTPLOG-end of operation
09 | SYNV | ADASAV | SAVE file(s), VOLSER entry. Written at volume change on DD/SAVE and at SAVE-operation end.
0A | SYNV | ADASAV | SAVE database, VOLSER entry. Written at volume switch on DD/SAVE and at SAVE-operation end.
0B | SYN1 | ADASAV | SAVE DELTA-start of operation with nucleus active
0B | SYN2 | ADASAV | SAVE DELTA-end of operation with nucleus active
0B | SYNP | ADASAV | SAVE DELTA-end of operation
0C | SYNP | ADASAV | RESTORE DELTA-end of operation
0D | SYNP | ADASAV | MERGE-end of operation
0E | SYNV | ADASAV | SAVE DELTA, VOLSER entry
0F | SYNV | ADASAV | MERGE, VOLSER entry
10 | SYNP | ADAINV | COUPLE files
11 | SYNP | ADAINV | INVERT field(s)
15 | SYNP | ADAORD | REORDER Associator database
16 | SYNP | ADAORD | REORDER Data Storage database
17 | SYNP | ADAORD | REORDER database
18 | SYNP | ADAORD | REORDER Associator file
19 | SYNP | ADAORD | REORDER Data Storage file
1A | SYNP | ADAORD | REORDER file
1B | SYNP | ADAORD | STORE
1C | SYNP | ADAORD | RESTRUCTURE
1D | SYNP | ADADEF | DEFINE NEWWORK
1E | SYNP | ADADEF | MODIFY (default character encodings, timezone)
22 | SYNX | ADARES | REGENERATE file
23 | SYNX | ADARES | BACKOUT file
24 | SYNX | ADARES | REGENERATE all; CPEXLIST lists excluded files
25 | SYNX | ADARES | BACKOUT all; CPEXLIST lists excluded files
26 | SYNP | ADARES | REPAIR Data Storage
27 | SYNP | ADARES | COPY function sucessfully completed
27 | SYNV | ADARES | COPY sequential protection log
28 | SYNP | ADARES | PLCOPY function successfully completed
28 | SYNV | ADARES | PLCOPY dual or multiple protection log
29 | SYNP | ADARES | ADARES CLCOPY function successfully completed.
29 | SYNV | ADARES | CLCOPY dual or multiple command log
2A | SYNP | ADARES | PLCOPY MERGE function successfully completed
2A | SYNV | ADARES | PLCOPY MERGE dual or multiple protection log
2B | SYNP | ADARES | CLOG MERGE function successfully completed
2B | SYNV | ADARES | CLOG MERGE dual or multiple command log
30 | SYNP | ADALOD | LOAD file
31 | SYNP | ADALOD | Mass update
35 | SYNX | ADAULD | Unload file
3F | SYNP | ADAZAP | Successful VERIFY - REPLACE
40 | SYNS | SYSAOS | Add extent
41 | SYNS | SYSAOS | CHANGE default field length
42 | SYNS | SYSAOS | DECREASE database size
44 | SYNS | SYSAOS | Delete file
45 | SYNS | SYSAOS | INCREASE database size
47 | SYNS | SYSAOS | RECOVER space
48 | SYNS | SYSAOS | Refresh file
49 | SYNS | SYSAOS | Remove component file from expanded-file chain
4A | SYNS | SYSAOS | Release descriptor
4B | SYNS | SYSAOS | RENAME file
4C | SYNS | SYSAOS | RENUMBER file
4D | SYNS | SYSAOS | RESET DIB
4E | SYNS | SYSAOS | Reuse ISN
4F | SYNS | SYSAOS | Reuse Data Storage
50 | SYNS | SYSAOS | UNCOUPLE files
51 | SYNS | SYSAOS | ALLOCATE file extent
52 | SYNS | SYSAOS | DEALLOCATE file extent
53 | SYNS | SYSAOS | Delete checkpoint
54 | SYNS | SYSAOS | Set user priority
55 | SYNS | SYSAOS | Modify FCB
57 | SYNS | SYSAOS | DEFINE file
58 | SYNS | SYSAOS | Write FDT
59 | SYNS | SYSAOS | DEFINE new field
5B | SYNS | ADADBS | Write refreshed statistics (some or all per user request)
5B | SYNS | ADANUC | Write (all) statistics at end of nucleus session
5C | SYNS | SYSAOS | CHANGE default field format
5D | SYNS | SYSAOS | Change file encoding
5E | SYNS | ADADBS | ADADBS REPTOR function (refer to your Event Replicator for Adabas documentation)
60 | SYNS | ADANUC | Nucleus statistic checkpoint
61 | SYNS | ADANUC | Allocate file space
64 | SYNS | ADASCR | Protect files
65 | SYNS | ADASCR | Protect fields
66 | SYNS | SYSAOS | Link component file into expanded-file chain
67 | SYNS | NUCLEUS | Session start with IGNDIB=YES
68 | SYNS | SYSAOS | Set USERISN on/off
69 | SYNS | SYSAOS | Set MIXDSDEV on/off
6A | SYNS | SYSAOS | Install Delta Save DLOG area
6B | SYNS | SYSAOS | Change Delta Save DLOG area
6C | SYNS | SYSAOS | Remove Delta Save DLOG area
6D | SYNS | ADANUC | NUC-ZAP was used
6E | SYNS | ADADBS | ADADBS REPLICATION function (refer to your Event Replicator for Adabas documentation)
6F | SYNS | SYSAOS | Online process initiated
70 | SYNS | SYSAOS | Online invert process
71 | SYNS | SYSAOS | Online reorder process
73 | SYNC | ADANUC | Nucleus (nuclei) successfully quiesced.
74 | SYNC | ADANUC | Nucleus (nuclei) have resumed normal processing.
75 | SYNS | ADANUC | Delete heuri-user-entry after Response 72 was detected during nucleus startup.
76 | SYNS | ADANUC | Delete heuri-user-entry after Response 72 was detected during nucleus session.
77 | SYNS | ADADBS | Enable spanned record support.
78 | SYNS | ADADBS | Enable or disable extended MU or PE fields
7A | SYNS | ADADBS | Delete field from the FDT
7B | SYNS | ADANUC | Logically delete a descriptor
7C | SYNS | SYSAOS | Set file status: READONLY mode
7D | SYNS | ADADBS | Add or delete CLOG
7E | SYNS | ADADBS | Add or delete PLOG
7F | SYNS | ADANUC | Change fields
81 | SYNS | ADANUC | Modify FCB
82 | SYNS | ADANUC | Online add or increase of an ASSO or DATA data set
83 | SYNS | ADANUC | Autoincrease of an ASSO or DATA data set
84 | SYNS | SYSAOS | AOSLOG information with user ID
85 | SYNS | ADADBS | ADADBS AUDITING function
86 | SYNS | ADADBS | ADADBS AUDITSERVER function