https://www.ibm.com/docs/en/idr/11.4.0?topic=dtlc-dmsetrestartposition-update-restart-position-subscription-bookmark
dmsetrestartposition - Update the restart position of a subscription bookmark
The dmsetrestartposition utility provides a way to directly update the restart position of a subscription bookmark so that it is no longer pointing at the log...
of aupdaterestartpositionsubscription