While investigating T265208: Degraded RAID on ms-be2036 I noticed that swift-drive-audit umounts and comments mountpoints from /etc/fstab while systemd attempts to mount them again:
Oct 14 00:11:08 ms-be2036 systemd[1]: Mounting /srv/swift-storage/sdd1... Oct 14 00:11:08 ms-be2036 systemd[1]: Mounted /srv/swift-storage/sdd1. Oct 14 01:18:57 ms-be2036 systemd[1]: Mounting /srv/swift-storage/sdd1... Oct 14 01:18:57 ms-be2036 systemd[1]: Mounted /srv/swift-storage/sdd1. Oct 14 03:13:46 ms-be2036 systemd[1]: Mounting /srv/swift-storage/sdd1... Oct 14 03:13:46 ms-be2036 systemd[1]: Mounted /srv/swift-storage/sdd1. Oct 14 04:21:04 ms-be2036 systemd[1]: Mounting /srv/swift-storage/sdd1... Oct 14 04:21:04 ms-be2036 systemd[1]: Mounted /srv/swift-storage/sdd1. Oct 14 05:24:11 ms-be2036 systemd[1]: Mounting /srv/swift-storage/sdd1... Oct 14 05:24:11 ms-be2036 systemd[1]: Mounted /srv/swift-storage/sdd1. Oct 14 06:24:58 ms-be2036 systemd[1]: Mounting /srv/swift-storage/sdd1... Oct 14 06:24:58 ms-be2036 systemd[1]: Mounted /srv/swift-storage/sdd1.
LABEL=swift-sdg1 /srv/swift-storage/sdg1 xfs nofail,noatime,nodiratime,nobarrier,logbufs=8 0 0 ###########LABEL=swift-sdd1 /srv/swift-storage/sdd1 xfs nofail,noatime,nodiratime,nobarrier,logbufs=8 0 0 ###########LABEL=swift-sdd1 /srv/swift-storage/sdd1 xfs nofail,noatime,nodiratime,nobarrier,logbufs=8 0 0 ##########LABEL=swift-sdd1 /srv/swift-storage/sdd1 xfs nofail,noatime,nodiratime,nobarrier,logbufs=8 0 0