46c8d00852
Today we do not allow a node to start if its filesystem is readonly, but it is possible for a filesystem to become readonly while the node is running. We don't currently have any infrastructure in place to make sure that Elasticsearch behaves well if this happens. A node that cannot write to disk may be poisonous to the rest of the cluster. With this commit we periodically verify that nodes' filesystems are writable. If a node fails these writability checks then it is removed from the cluster and prevented from re-joining until the checks start passing again. Closes #45286 Co-authored-by: Bukhtawar Khan <bukhtawar7152@gmail.com> |
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