Informix Error -23506: CM error: No such chunk.
Cause and resolution
CM error: No such chunk.
A request to drop a chunk or to read chunk information during startup failed because the specified pathname and offset do not match any existing chunk.
Correct the pathname and offset of the chunk and resubmit the request. If necessary, contact IBM Informix Technical Support.
Oninit® Troubleshooting Guidance
Reasons / Common Causes
-23506 fires when a chunk drop or startup chunk-information read specifies a pathname and offset that don't match any existing chunk — per the official guidance.
- A pathname/offset combination that doesn't match any existing chunk, per the official guidance — the direct, only cause.
Solutions / Resolution
- Correct the chunk's pathname and offset and resubmit, per the official guidance.
- Contact IBM Informix Technical Support if necessary.
Examples
N/A
No specific triggering statement is documented beyond a non-matching pathname/offset.
Diagnostic Checks
- Check the specified pathname and offset against the actual configured chunks, and correct any mismatch.
Related Errors / Related Topics
- -23507 — "CM error: Chunk already exists." The mirror-image error, on a pathname/offset collision when adding rather than not found when dropping.
A chunk's pathname/offset didn't match any existing chunk — correct them and resubmit.