Knowledge Base

Article ID: 589 - Last Modified:

Is there any way to stop or kill a 'Stranded' Glide docking run but still recover any docking results and scores that were completed?

When a job is 'Stranded', it means that the Job Control process responsible for the computational backend died (or can't be communicated with), so Job Control is unable to determine the status of the backend. This could be caused by a machine crashing or rebooting, but in other cases, the backend (i.e., the Glide docking process) might still be running.

Eventually, the Job Control system will attempt recovery automatically, at which point the job status should change to 'died' if the job failed. If you're running a distributed Glide job and it's a subjob, not the main driver, that is 'stranded', the driver should rerun the failed subjob automatically.

You can hasten the recovery process by running

$SCHRODINGER/jobcontrol -recover JobId

where JobId is the Schrodinger Job ID, visible in the Monitor panel or near the top of the log file. If this is a serial job, before you run this command, try looking at the scratch directory for the job (tmpdir/username/jobname/), as there should be a jobname_raw.maegz file there that contains the docking results so far.

With the intermediate 'raw' file, you then could run a new Glide job on the ligands that hadn't yet docked (e.g., by copying the jobname.in file and using the LIGAND_START keyword to indicate the starting ligand number), and then combine the results with those of the original job. To combine the results, first run $SCHRODINGER/utilities/glide_sort on the 'raw' file to sort it, and then run $SCHRODINGER/utilities/glide_merge on the old and new 'pv' or 'lib' files to generate the final pose file.

If the job is unrecoverable, you can kill it with Job Control, and its status changes to 'Killed'. Job Control will no longer try to communicate with this job (even if it is still running).

Keywords: recover Glide results, stranded docking run, job control, pause, restart

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