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Linux does not mount filesystems automatically after reboot

Last Updated:

Applies to

Red Hat Enterprise Linux 8 (RHEL)


  • After RHEL OS reboot, some file systems are read-only or not mounted at all e.g. root file system, tmp
  • The behaviour is protocol independent (local disk, SAN LUN,..)
  • Remounting the root file system as read-write is successful
  • Filesystem format is XFS
  • Affected filesystems have /etc/fstab entries
  • Status of the affected .mount unit via systemctl status xyz.mount is masked
  • sosreport analysis:

$ rg mask sos_commands/systemd/systemctl_list-unit-files
this-isa-mount1.mount masked
this-isa-mount2.mount masked
systemd-timedated.service masked
systemd-timesyncd.service masked masked
fstrim.timer masked

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