Re: Checkpoint problem.

>Our Informix server has stoped three times for a month. >tbstat shows that all user processes (except two) are waiting >for process "ckpt" which seems to be a checkpoint process. >I noticed that in the Informix log file there were missing >checkpoints for about 30 minutes before every crash. >What may be the reason of checkpoints missing? Are you running tbtape at the time? It could be that you have a tape change request pending. Also, check via tbcheck -u to see if any users are in a critical state. Madison Pruet