# Update Elasticsearch from 0.20.6 to 0.90.3 **URL:** \ **Category:** Elasticsearch\ **Created:** [August 26, 2013, 2:34pm UTC](https://discuss.elastic.co/t/update-elasticsearch-from-0-20-6-to-0-90-3/13327 "2013-08-26T14:34:39Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![Sven\_Broker](https://avatars.discourse-cdn.com/v4/letter/s/73ab20/32.png) [@Sven\_Broker](https://discuss.elastic.co/u/Sven_Broker)\ **Post date:** [August 26, 2013, 2:34pm UTC](https://discuss.elastic.co/t/update-elasticsearch-from-0-20-6-to-0-90-3/13327/1 "2013-08-26T14:34:39Z")
Actually i've running a graylog with ES 0.20.6 but i need to update the Graylog, so the ES must be updated too. I need to Update an ES 0.20.6 to 0.90.3. How can i do this with keep the old Data? -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![Ivan](https://avatars.discourse-cdn.com/v4/letter/i/df788c/32.png) [@Ivan](https://discuss.elastic.co/u/Ivan)\ **Post date:** [August 27, 2013, 6:03pm UTC](https://discuss.elastic.co/t/update-elasticsearch-from-0-20-6-to-0-90-3/13327/2 "2013-08-27T18:03:07Z")
elasticsearch 0.90.x (Lucene 4) can read indices created with elasticsearch 0.20.x (Lucene 3) with no issues. You might have other issues (making sure every node in the cluster is running the same version), but the data should be fine as is. Cheers, Ivan On Mon, Aug 26, 2013 at 7:34 AM, Sven Bröker [sbroeker.89@gmail.com](mailto:sbroeker.89@gmail.com) wrote: > Actually i've running a graylog with ES 0.20.6 but i need to update the > Graylog, so the ES must be updated too. > > I need to Update an ES 0.20.6 to 0.90.3. How can i do this with keep the > old Data? > > -- > You received this message because you are subscribed to the Google Groups > "elasticsearch" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). > For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [July 6, 2017, 2:19am UTC](https://discuss.elastic.co/t/update-elasticsearch-from-0-20-6-to-0-90-3/13327/3 "2017-07-06T02:19:27Z")