Informix Error -23550: CM error: This would create a chunk that would overlap an existing chunk.
Cause and resolution
CM error: This would create a chunk that would overlap an existing chunk.
You have issued a command to the CM system that tries to create a chunk that would overlap an existing chunk.
Review the location and extent of existing chunks to find the overlap, and change your command so that it will not overlap any existing chunk space.
Oninit® Troubleshooting Guidance
Reasons / Common Causes
-23550 fires when a CM command would create a chunk overlapping an existing chunk — per the official guidance.
- A new chunk's offset/extent overlapping an existing chunk, per the official guidance — the direct, only cause.
Solutions / Resolution
- Review the location and extent of existing chunks to find the overlap, and adjust the command, per the official guidance.
Examples
N/A
No specific triggering statement is documented beyond overlapping an existing chunk.
Diagnostic Checks
- Review the offsets/extents of existing chunks, and adjust the new chunk's placement to avoid the overlap.
Related Errors / Related Topics
- -23547 — "CM error: This would create two chunks that would overlap each other." The general chunk-overlap error this is a specific case of, against an existing chunk.
- -23549 — "CM error: This would create a chunk that would overlap its own mirror." A related overlap error, against a chunk's own mirror rather than an existing chunk.
A new chunk would overlap an existing one — review existing chunk locations/extents and adjust placement.