Informix Error -2998: Operating system error os-error: text.

Reasons / Common Causes

-2998 fires when the host operating system returns an error that Informix software surfaces verbatim — per the official guidance, this error should not occur under normal operation.

1. An operating-system-level error surfaced through Informix software, per the official guidance — the direct, only cause; the specific OS error number and text are host-system-specific.

Solutions / Resolution

1. If the error recurs, note all circumstances, per the official guidance.
2. Contact IBM Informix Technical Support, per the official guidance.

Examples

Recording circumstances for support

Capture the exact OS error number and text shown, the operation being performed, the operating system and version, disk/filesystem state, and any surrounding log entries before contacting IBM Informix Technical Support.

Diagnostic Checks

1. Check whether the error is reproducible, and if so, gather full circumstances before escalating to IBM Informix Technical Support.

Related Errors / Related Topics

• -2996 — "The unanticipated error number os-error has occurred." A closely related, less common operating-system error passthrough, also directing to IBM Informix Technical Support.
• -2999 — "SQL server terminated." A related loss-of-contact error, which can itself stem from an underlying operating-system-level failure.

An operating-system-level error was surfaced verbatim — this shouldn't happen; record the circumstances and contact IBM Informix Technical Support if it recurs.