# My ElasticSearch Indexes have been mysteriously deleted, how do I debug the cause?

**URL:** <https://discuss.elastic.co/t/my-elasticsearch-indexes-have-been-mysteriously-deleted-how-do-i-debug-the-cause/71460>\
**Category:** Elasticsearch\
**Created:** [January 13, 2017, 2:19am UTC](https://discuss.elastic.co/t/my-elasticsearch-indexes-have-been-mysteriously-deleted-how-do-i-debug-the-cause/71460 "2017-01-13T02:19:26Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![switchedfabric](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/switchedfabric/32/14508_2.png) [@switchedfabric](https://discuss.elastic.co/u/switchedfabric)\
**Post date:** [January 13, 2017, 1:07pm UTC](https://discuss.elastic.co/t/my-elasticsearch-indexes-have-been-mysteriously-deleted-how-do-i-debug-the-cause/71460/5 "2017-01-13T13:07:33Z")

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I had the same.

> [@Indices all gone but i don't think i did it](https://discuss.elastic.co/t/indices-all-gone-but-i-dont-think-i-did-it/71370):
>
> Hi all, I've been running ES 5 for some time (say a month) now and all has been well, but last night all my indices were deleted. I see this in the log (the second line): ---- 8\< ---- [2017-01-11T21:23:04,357][WARN][o.e.d.z.p.PublishClusterStateAction] [master] timed out waiting for all nodes to process published state ... [2017-01-11T21:23:08,473][WARN][o.e.c.s.ClusterService] [master] cluster state update task [delete-index ...] took [34.1s] above the warn threshold of 30s ---- 8\< …

But no index with a ransom note :-.

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