Informix Error -23516: CM error: Cogroup table overflow.
Cause and resolution
CM error: Cogroup table overflow.
An attempt to create a cogroup or add a coserver to a cogroup fails because the maximum allowed number is already in use.
Drop one or more obsolete cogroups or cogroup members and resubmit the request.
Oninit® Troubleshooting Guidance
Reasons / Common Causes
-23516 fires when creating a cogroup or adding a coserver to one, while the maximum allowed number is already in use — per the official guidance.
- The maximum number of cogroups/cogroup members already in use, per the official guidance — the direct, only cause.
Solutions / Resolution
- Drop one or more obsolete cogroups or cogroup members and resubmit the request, per the official guidance.
Examples
N/A
No specific triggering statement is documented beyond reaching the cogroup table's maximum.
Diagnostic Checks
- Check the current cogroup/member count against the configured maximum, and drop obsolete ones if at capacity.
Related Errors / Related Topics
- -23520 — "CM error: Coserver table overflow." The same class of table-overflow error, for coservers rather than cogroups.
- -23529 — "CM error: Logslice table overflow." The same class of table-overflow error, for logslices rather than cogroups.
The cogroup table was full — drop obsolete cogroups/members before creating more.