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Switch indices read-only if a node runs out of disk space #25541
Today when we run out of disk all kinds of crazy things can happen
The floodstage watermark is set to
I think we can rely on the fact that if flood stage is on thant the high water mark is also on, which has already kicked in the reroute (as you say). I also think that flood stage is about making indices read only (and only that). A follow up reroute shard moving won't change that (as we don't automatically make the indices writable again). So +1 to keeping as is and not adding a reroute.