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LetMeSOThat4U
Asked: 2021-10-20 08:37:10 +0800 CST

Force one drbd node to StandAlone

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I need to take a box that is part of 2-node DRBD cluster offline for hardware servicing.

How do I force the primary (the other?) DRBD node to StandAlone so that I can turn the other node down?

Just turn it off? Is it safe to do that?

hardware linux drbd

2 Answers

    1. Stop DRBD

    $drbd -stop

    1. Gracefully shutdown Linux

    $shutdown -h now

    • 5

  2. Just turning it off is perfectly safe. Depending upon how things are setup it should be gracefully stopped (including a disconnect) either via a cluster resource manager, or a systemd unit, init script, etc.

    If you do truly want to disconnect it before powering it off just issue a drbdadm disconnect <resource> to instruct DRBD to stop the connection and listener.

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