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    • Oracle Linux - Using _netdev In Local Filesystem Can Cause Systemd Dependencies Problems

    edited Jun 17, 2025 3:08PM in Linux

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    Applies To:
    Oracle Linux 8

    Symptoms:

    If _netdev is specified as an option on /etc/fstab for a local (non-network mounted) filesystem in /etc/fstab, it can cause systemd dependencies problems.
    NetworkManager can fail to start, which will cause DHCP to fail to renew the IP address and the instance to become unreachable.
    The logs will show messages like:

    May 25 21:01:24 <HOSTNAME> systemd[1]: cloud-init.service: Found ordering cycle on NetworkManager-wait-online.service/start
...
May 25 21:01:24 <HOSTNAME> systemd[1]: cloud-init.service: Found dependency on tmp.mount/start
May 25 21:01:24 <HOSTNAME> systemd[1]: cloud-init.service: Found dependency on network-online.target/start
    Tagged:

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