Hello @Samrat07 ,
I agree with @AnandVyas approach if you need to understand who and when deleted the metadata of the scheduled job.
In any case, just to answer your question:
- it is possible to delete remove a job schedule just from the metadata, and hence not removed from your Job Scheduler (in your case, LSF/Process Manager).
- when one wants to remove an scheduled job, first it must be unscheduled. Otherwise, as stated above, you would only delete the metadata, removing the link between the SAS-managed job, and the physically scheduled job.
- In order to resolve this issue, your only solution is to re-schedule the job. But then, you might lose its history. you might want to backup the Process Manager's history for this job, before actually un-scheduling it from Process Manager.
Optionally, you could restore the history of the current scheduled job (Process Manager) into the new scheduled job, by editing and adding the "xml" (history), but I would recommend against that, as it is not supported. Instead, I suggest to just keep the old job's historic file and query it when needed - if you need it at all.
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