Positioning following logical errors
VSAM is unable to maintain positioning after every logical error. Whenever positioning is not maintained following an error request, you must reestablish it before processing resumes.
Positioning can be in one of four states following a POINT or a
direct request that found a logical error:
- Yes
- VSAM is positioned at the position in effect before the request in error was issued.
- No
- VSAM is not positioned, because no positioning was established at the time the request in error was issued.
- New
- VSAM is positioned at a new position.
- U
- VSAM is positioned at an unpredictable position.
- N/A
- The reason code is not applicable to the type of processing indicated.
Table 1 shows which positioning state applies to each reason code listed for sequential, direct, and skip-sequential processing. "N/A" indicates the reason code is not applicable to the type of processing indicated.
| Reason code (RPLERRCD) when register 15=8(8) | Sequential | Direct | Skip-sequential |
|---|---|---|---|
| 4 (X'4') | Yes | No | Yes |
| 8 (X'8')1 | Yes | No | New |
| 12 (X'C') | Yes | N/A | Yes |
| 16 (X'10') | No | No | No |
| 20 (X'14') | U | No2 | No2 |
| 21 (X'15') | Yes3 | New | New |
| 22 (X'16') | Yes3 | New | New |
| 24 (X'18') | Yes3 | No | No |
| 28 (X'1C') | Yes | No | Yes |
| 32 (X'20') | No | No | N/A |
| 36 (X'24') | Yes | No | New |
| 40 (X'28') | Yes | No | No |
| 44 (X'2C') | Yes | New | Yes |
| 48 (X'30') | U | U | U |
| 52 (X'34') | U | U | U |
| 56 (X'38') | Yes | Yes | Yes |
| 64 (X'40') | No | No | No |
| 68 (X'44') | Yes | Yes | Yes |
| 72 (X'48') | Yes | Yes | Yes |
| 76 (X'4C') | Yes | Yes | Yes |
| 80 (X'50') | Yes | Yes | Yes |
| 84 (X'54') | Yes | Yes | Yes |
| 88 (X'58') | Yes | Yes | Yes |
| 92 (X'5C') | Yes | Yes | Yes |
| 96 (X'60') | Yes | Yes | Yes |
| 100 (X'64') | Yes | Yes | Yes |
| 104 (X'68') | Yes | New | Yes |
| 108 (X'6C') | Yes | New | Yes |
| 112 (X'70') | Yes | Yes | Yes |
| 116 (X'74') | Yes | Yes | Yes |
| 120 (X'78') | Yes | No | No |
| 124 (X'7C') | No | No | No |
| 128 (X'80') | Yes | No | No |
| 132 (X'84') | Yes | New | Yes |
| 136 (X'88') | No | No | N/A |
| 140 (X'8C') | Yes | New | Yes |
| 144 (X'90') | Yes | Yes | Yes |
| 148 (X'94') | Yes | Yes | Yes |
| 152 (X'98') | Yes | No | No |
| 156 (X'9C') | Yes | No | No |
| 160 (X'A0') | N/A | No | N/A |
| 168 (X'A8') | N/A | N/A | N/A |
| 169 (X'A9') | N/A | N/A | N/A |
| 172 (X'AC') | N/A | N/A | N/A |
| 176 (X'B0') | N/A | N/A | N/A |
| 180 (X'B4') | Yes | Yes | Yes |
| 181 (X'B5') | N/A | N/A | N/A |
| 182 (X'B6') | N/A | N/A | N/A |
| 184 (X'B8') | U | U | U |
| 186 (X'BA') | Yes | Yes | Yes |
| 189 (X'BD') | Yes | New | New |
| 190 (X'BE') | Yes3 | No | Yes |
| 192 (X'C0') | Yes | Yes | Yes |
| 196 (X'C4') | Yes | Yes | Yes |
| 200 (X'C8') | Yes | Yes | Yes |
| 201 (X'C9') | N/A | N/A | N/A |
| 204 (X'CC') | Yes | Yes | Yes |
| 205 (X'CD') | U | U | U |
| 206 (X'CE') | Yes | Yes | Yes |
| 208 (X'D0') | Yes | Yes | Yes |
| 209 (X'D1') | U | U | U |
| 210 (X'D2') | Yes | Yes | Yes |
| 211 (X'D3') | No | No | No |
| 212 (X'D4') | U | U | U |
| 213 (X'D5') | U | U | U |
| 216 (X'D8') | N/A | N/A | N/A |
| 217 (X'D9') | Yes | Yes | Yes |
| 224 (X'E0') | N/A | No | N/A |
| 228 (X'E4') | No | No | No |
| 229 (X'E5') | New | New | New |
| 230 (X'E6') | Yes | Yes | Yes |
| 232 (X'E8') | No | No | No |
| 235 (X'EB') | U | U | U |
| 236 (X'EC') | Yes | Yes | Yes |
| 237 (X'ED') | U | U | U |
| 238 (X'EE') | U | U | U |
| 239 (X'EF') | U | U | U |
| 240 (X'F0') | Yes | Yes | Yes |
| 241 (X'F1') | No | No | No |
| 242 (X'F2') | U | U | U |
| 243 (X'F3') | No | No | No |
| 244 (X'F4') | U | U | U |
| 245 (X'F5') | New | New | New |
| 246 (X'F6') | New | New | New |
| 248 (X'F8') | U | U | U |
| 249 (X'F9') | Yes | Yes | Yes |
| 250 (X'FA') | New | New | New |
| 251 (X'FB') | U | U | U |
| 252 (X'FC') | No | No | No |
| 253 (X'FD') | No | No | No |
Notes:
|
|||