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Informix Error -23602: Backup Manager Error: A dbspace backup/restore is already active for this dbspace.

Cause and resolution

Backup Manager Error: A dbspace backup/restore is already active for this dbspace.

An attempt was made to backup or restore a dbspace that was already queued in the Backup Manager. Check the status of backup and restore sessions using "onstat -g bus" and "onstat -g bus_sm".

Oninit® Troubleshooting Guidance

Reasons / Common Causes

-23602 fires when a dbspace backup/restore is requested while one is already queued for the same dbspace — per the official guidance.

  1. A dbspace backup/restore already queued for the same dbspace, per the official guidance — the direct, only cause.
Solutions / Resolution
  1. Check backup/restore session status via onstat -g bus and onstat -g bus_sm, per the official guidance, and wait for the existing operation.
Examples
Checking active backup/restore sessions
$ onstat -g bus
$ onstat -g bus_sm
Diagnostic Checks
  1. Run onstat -g bus/onstat -g bus_sm to confirm the dbspace already has an active backup/restore, and wait for it to finish.
Related Errors / Related Topics
  • -23617 — "Backup Manager Error: That session is already suspended." A related session-state error, on a suspend attempt rather than a duplicate dbspace backup/restore.

A dbspace backup/restore was already active — check onstat -g bus/bus_sm and wait.