Merge pull request #486 from argonne-lcf/qdel-force

adding doc about -W force to qdel

docs/running-jobs/job-and-queue-scheduling.md

@@ -69,6 +69,7 @@ If you are an ALCF user and are familiar with Cobalt, you will find the PBS comm
  * PBS Documentation: Users Guide Sec. 9.2, page UG-168; Reference Guide Sec. 2.40, page RG-130
 4. `qdel`: cancel a job that you don't need. This will also kill a running job
  * `qdel <jobid>`
+ * Occasionally, the job will still show up in `qstat` after you try and `qdel` it. When this happens you can try `qdel -W force <jobid>`. If it still wont go away, please send mail to <[email protected]> and one of the administrators can remove it for you. DO NOT just default to using `-W force`. The force does not do all of the clean up and can cause problems of its own.
  * PBS Documentation: Users Guide Sec. 9.3, page UG-170; Reference Guide Sec. 2.41, page RG-143
 
 **Note: The page numbers in the PBS guides are unique. If you search for the specified page number it will take you directly to the relevant page.**
@@ -306,6 +307,9 @@ Basically takes the same options as `qsub`; Say you typoed and set the walltime
 
 `qdel <jobid> [<jobid> <jobid>...]`
 
+Occasionally, the job will still show up in `qstat` after you try and `qdel` it. When this happens you can try `qdel -W force <jobid>`. If it still wont go away, please send mail to <[email protected]> and one of the administrators can remove it for you. DO NOT just default to using `-W force`. The force does not do all of the clean up and can cause problems of its own.
+
+
 ## <a name="qmove"></a>`qmove`: Move a job to a different queue
 [Users Guide](https://help.altair.com/2022.1.0/PBS%20Professional/PBSUserGuide2022.1.pdf) Sec. 9.7, page UG-173; [Reference Guide](https://help.altair.com/2022.1.0/PBS%20Professional/PBSReferenceGuide2022.1.pdf) Sec. 2.46, page RG-175