We run a sharded cluster. When trying to run cleanupOrphaned on some of those, the primary instance only logs the following:

2020-08-06T08:19:03.481+0000 I SHARDING [conn25449020] Deletion of XXX range [{ _id: MinKey }, { _id: -XXXXXXXX }) will be scheduled after all possibly dependent queries finish

 

We verified that no other operations are running on this shard with the following query:

{{ db.currentOp().inprog.map(function (o) { if (o.ns === "admin.$cmd") return

{ opid: o.opid, secs: o.secs_running, ns: o.ns, command: o.command }

}).filter(Boolean)}}

Even after waiting for over an hour (the normal timeout for cleanupOrphaned) there is no feedback whatsoever.
{{Is there anything we can do to successfully clean orphaned documents from the affected shards? }}

Thank you.