BK_CKPT - Backup checkpoint
Name: DCLBKCKP
Function:
This segment declares the layout of the backup checkpoint data set,
which is used by the backup controller.
| Offsets | |||||
|---|---|---|---|---|---|
| Dec | Hex | Type | Len | Name (Dim) | Description |
| 0 | (0) | STRUCTURE | 208 | BK_CKPT | |
| 0 | (0) | CHARACTER | 10 | BK_CKPT_KEY | key always='0000000000' |
Last written JT record info
| Offsets | |||||
|---|---|---|---|---|---|
| Dec | Hex | Type | Len | Name (Dim) | Description |
| 10 | (A) | CHARACTER | 2 | BK_CKPT_LASTJTTYP | TRL typ |
| 12 | (C) | UNSIGNED | 2 | BK_CKPT_LASTJTIDOLD | TRL orig JT number |
| 14 | (E) | UNSIGNED | 2 | BK_CKPT_LASTJTID | TRL JT number |
| 16 | (10) | UNSIGNED | 4 | BK_CKPT_LASTJTSEQNO | TRL sequence number |
| 20 | (14) | CHARACTER | 4 | BK_CKPT_LASTJTDAT | TRL date 00yydddf |
| 24 | (18) | UNSIGNED | 4 | BK_CKPT_LASTJTTIM | TRL time hhmmssth |
| 28 | (1C) | CHARACTER | 4 | BK_CKPT_LASTJTDATOLD | TRL date 00yydddf |
| 32 | (20) | UNSIGNED | 4 | BK_CKPT_LASTJTTIMOLD | TRL time hhmmssth |
| 36 | (24) | UNSIGNED | 2 | BK_CKPT_LASTJTCPRUN | TRL CP run number |
| 38 | (26) | UNSIGNED | 2 | BK_CKPT_LASTJTLTRUN | TRL CP LT run number |
| 40 | (28) | CHARACTER | 8 | BK_CKPT_LASTJTCPTOD | TRL CP tod |
| 48 | (30) | CHARACTER | 8 | BK_CKPT_LASTJTLTTOD | TRL LT tod |
| 56 | (38) | CHARACTER | 2 | BK_CKPT_FILLER | free |
Last applied JT record info
| Offsets | |||||
|---|---|---|---|---|---|
| Dec | Hex | Type | Len | Name (Dim) | Description |
| 58 | (3A) | CHARACTER | 2 | BK_CKPT_APPLJTTYP | TRL typ |
| 60 | (3C) | UNSIGNED | 2 | BK_CKPT_APPLJTIDOLD | TRL orig JT number |
| 62 | (3E) | UNSIGNED | 2 | BK_CKPT_APPLJTID | TRL JT number |
| 64 | (40) | UNSIGNED | 4 | BK_CKPT_APPLJTSEQNO | TRL sequence number |
| 68 | (44) | CHARACTER | 4 | BK_CKPT_APPLJTDAT | TRL date 00yydddf |
| 72 | (48) | UNSIGNED | 4 | BK_CKPT_APPLJTTIM | TRL time hhmmssth |
| 76 | (4C) | CHARACTER | 4 | BK_CKPT_APPLJTDATOLD | TRL date 00yydddf |
| 80 | (50) | UNSIGNED | 4 | BK_CKPT_APPLJTTIMOLD | TRL time hhmmssth |
| 84 | (54) | UNSIGNED | 2 | BK_CKPT_APPLJTCPRUN | TRL CP run number |
| 86 | (56) | UNSIGNED | 2 | BK_CKPT_APPLJTLTRUN | TRL CP LT run number |
| 88 | (58) | CHARACTER | 8 | BK_CKPT_APPLJTCPTOD | TRL CP tod |
| 96 | (60) | CHARACTER | 8 | BK_CKPT_APPLJTLTTOD | TRL LT tod |
Current JT info
| Offsets | |||||
|---|---|---|---|---|---|
| Dec | Hex | Type | Len | Name (Dim) | Description |
| 104 | (68) | UNSIGNED | 4 | BK_CKPT_JTPRIM_FIRSTSEQNO | current JT first SEQNO |
| 108 | (6C) | UNSIGNED | 4 | BK_CKPT_JTPRIM_LASTSEQNO | current JT last SEQNO |
| 112 | (70) | CHARACTER | 8 | BK_CKPT_JTPRIM_TRL60 | curr JT trl60 tod |
DB changed info
| Offsets | |||||
|---|---|---|---|---|---|
| Dec | Hex | Type | Len | Name (Dim) | Description |
| 120 | (78) | CHARACTER | 8 | BK_AD | |
| 120 | (78) | CHARACTER | 4 | BK_ADTRL | |
| 124 | (7C) | UNSIGNED | 4 | BK_ADTRLSEQ | |
| 128 | (80) | CHARACTER | 8 | BK_JV | |
| 128 | (80) | CHARACTER | 4 | BK_JVTRL | |
| 132 | (84) | UNSIGNED | 4 | BK_JVTRLSEQ | |
| 136 | (88) | CHARACTER | 8 | BK_RD | |
| 136 | (88) | CHARACTER | 4 | BK_RDTRL | |
| 140 | (8C) | UNSIGNED | 4 | BK_RDTRLSEQ | |
| 144 | (90) | CHARACTER | 8 | BK_OI | |
| 144 | (90) | CHARACTER | 4 | BK_OITRL | |
| 148 | (94) | UNSIGNED | 4 | BK_OITRLSEQ | |
| 152 | (98) | CHARACTER | 8 | BK_WS | |
| 152 | (98) | CHARACTER | 4 | BK_WSTRL | |
| 156 | (9C) | UNSIGNED | 4 | BK_WSTRLSEQ | |
| 160 | (A0) | CHARACTER | 8 | BK_WSCL | |
| 160 | (A0) | CHARACTER | 4 | BK_WSCLTRL | |
| 164 | (A4) | UNSIGNED | 4 | BK_WSCLTRLSEQ | |
| 168 | (A8) | CHARACTER | 8 | BK_CAL | |
| 168 | (A8) | CHARACTER | 4 | BK_CALTRL | |
| 172 | (AC) | UNSIGNED | 4 | BK_CALTRLSEQ | |
| 176 | (B0) | CHARACTER | 8 | BK_PER | |
| 176 | (B0) | CHARACTER | 4 | BK_PERTRL | |
| 180 | (B4) | UNSIGNED | 4 | BK_PERTRLSEQ | |
| 184 | (B8) | CHARACTER | 8 | BK_RUN | |
| 184 | (B8) | CHARACTER | 4 | BK_RUNTRL | |
| 188 | (BC) | UNSIGNED | 4 | BK_RUNTRLSEQ | |
| 192 | (C0) | CHARACTER | 8 | BK_SI | |
| 192 | (C0) | CHARACTER | 4 | BK_SITRL | |
| 196 | (C4) | UNSIGNED | 4 | BK_SITRLSEQ | |
| 200 | (C8) | CHARACTER | 8 | BK_LTP | |
| 200 | (C8) | CHARACTER | 4 | BK_LTPTRL | |
| 204 | (CC) | UNSIGNED | 4 | BK_LTPTRLSEQ | |