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Posted about 3 years ago. Visible to the public. Repeats.

Repair broken etcd node

If one etcd node is no longer a member of the remaining etcd cluster or fails to connect you need to remove it from the cluster and then add it again:

  1. Stop etcd on the broken node : sudo stop etcd
  2. delete the data on the broken node sudo rm -r /var/lib/etcd/data/*
  3. delete the wal data on the broken node: sudo rm -r /var/lib/etcd/wal/*
  4. Follow the instructions for etcd runtime-configuration, remove the broken node from the cluster, then re-add it again and update the etcd config on the broken node with the parameters printed by the add command.
  5. start etcd again

Owner of this card:

Claus-Theodor Riegg
Last edit:
10 months ago
by Andreas Vöst
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