Hi all, We are running into a strange issue with autofs and CephFS at UMBC. We are attempting to manage CephFS volumes via autofs with an idle timeout, however my volumes do not appear to be unmounting when idle. After some digging, it appears when the timeout is set to five minutes the volumes stay mounted indefinitely, but when the autofs timeout is set to 4.5 minutes, the volumes unmount as expected. Our environment is: - Ceph cluster version: 18.2.7 - Ceph client version: 18.2.1 kernel client - OS: Red Hat 9.7 - auto.master entry: "/umbc/rs /cm/shared/etc/autofs/mounts.rs --timeout=300" - mounts.rs entry: "archive -fstype=ceph,name=archive,fs=rrstor ceph-mon.example.com:/archive" We have checked for open file descriptors using lsof, but the mount appears idle, only showing automount processes as holding open file descriptors in the mounts. Has anyone encountered similar behavior before and can comment on what they think might be going on? Thank you, Greg -- Gregory Ballantine HPC Specialist, Division of IT University of Maryland, Baltimore County