I tried following the solution here [image] Unable to delete index Elasticsearch I can't remember which version they fixed this in, but I recall there being a change that allowed you to unset the read-only flag. Older versions (and again, I'm not sure where the cutoff is)…

Unable to delete index, unable to mark it as read-only false

stephenb (Stephen Brown) January 29, 2025, 10:12pm 2

Bad syntax

Incorrect
"index.blocks.read-only": false

Correct
"index.blocks.read_only": false
..................^

1 Like

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