# I\_o\_exception Invalid argument error when taking snapshot **URL:** \ **Category:** Elasticsearch\ **Created:** [December 17, 2019, 11:13am UTC](https://discuss.elastic.co/t/i-o-exception-invalid-argument-error-when-taking-snapshot/212144 "2019-12-17T11:13:40Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![ion\_popa](https://avatars.discourse-cdn.com/v4/letter/i/77aa72/32.png) [@ion\_popa](https://discuss.elastic.co/u/ion_popa)\ **Post date:** [December 17, 2019, 11:13am UTC](https://discuss.elastic.co/t/i-o-exception-invalid-argument-error-when-taking-snapshot/212144/1 "2019-12-17T11:13:40Z")
Hello, I'm getting the following error when trying to take a snapshot of an Elasticsearch cluster. > { > "error" : { > "root\_cause" : [ > { > "type" : "snapshot\_creation\_exception", > "reason" : "[backup:snapshot\_2/abcjahdkiaudiadi] failed to create snapshot" > } > ], > "type" : "snapshot\_creation\_exception", > "reason" : "[backup:snapshot\_2/abcjahdkiaudiadi] failed to create snapshot", > "caused\_by" : { > "type" : "i\_o\_exception", > "reason" : "Invalid argument" > } > }, > "status" : 500 > } Could somebody please explain what this could be related to ? Is it RAM related ? Just to summarize, the version of Elasticsearch is 5.6.1, the repo is pointing to an NFS drive and it does have elasticsearch:elasticsearch permissions. I also had no problems creating the repo. Thanks. ---
**Author:** ![Armin\_Braun](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/armin_braun/32/20092_2.png) [@Armin\_Braun](https://discuss.elastic.co/u/Armin_Braun)\ **Post date:** [December 17, 2019, 11:44am UTC](https://discuss.elastic.co/t/i-o-exception-invalid-argument-error-when-taking-snapshot/212144/2 "2019-12-17T11:44:19Z")
Hi @ion_popa > Could somebody please explain what this could be related to ? It's hard to say from just the exception I'm seeing alone. Could you check your log files around the time of the failure, they should contain a warning logged with additional details on the exception. > Is it RAM related ? Almost certainly not. ---
**Author:** ![ion\_popa](https://avatars.discourse-cdn.com/v4/letter/i/77aa72/32.png) [@ion\_popa](https://discuss.elastic.co/u/ion_popa)\ **Post date:** [December 17, 2019, 4:56pm UTC](https://discuss.elastic.co/t/i-o-exception-invalid-argument-error-when-taking-snapshot/212144/3 "2019-12-17T16:56:17Z")
Hi @Armin_Braun - I've already checked the elastic log and all I'm getting is "Caused by: java.io.IOException: Invalid argument" and "failed to create snapshot [snapshot name]" Nothing more to help pinpoint to the problem unfortunately. ---
**Author:** ![Armin\_Braun](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/armin_braun/32/20092_2.png) [@Armin\_Braun](https://discuss.elastic.co/u/Armin_Braun)\ **Post date:** [December 17, 2019, 4:58pm UTC](https://discuss.elastic.co/t/i-o-exception-invalid-argument-error-when-taking-snapshot/212144/4 "2019-12-17T16:58:45Z")
@ion_popa could you still paste the stack trace logged for that exception maybe? (there should be a stack trace logged) I think that might be sufficient to understand the root cause here. thanks! ---
**Author:** ![spinscale](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/spinscale/32/25011_2.png) [@spinscale](https://discuss.elastic.co/u/spinscale)\ **Post date:** [December 17, 2019, 4:59pm UTC](https://discuss.elastic.co/t/i-o-exception-invalid-argument-error-when-taking-snapshot/212144/5 "2019-12-17T16:59:47Z")
you can also add the `error_trace=true` parameter to your request to hopfully add the full stack trace. ---
**Author:** ![ion\_popa](https://avatars.discourse-cdn.com/v4/letter/i/77aa72/32.png) [@ion\_popa](https://discuss.elastic.co/u/ion_popa)\ **Post date:** [December 17, 2019, 5:07pm UTC](https://discuss.elastic.co/t/i-o-exception-invalid-argument-error-when-taking-snapshot/212144/6 "2019-12-17T17:07:10Z")
@spinscale and also @Armin_Braun - it seems to work now ! I can take a backup without issues, a couple of hours ago it didn't work. Very weird ! I wonder if it was something related with the fact that it was a new NFS share and something wasn't configured on that end. ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [January 14, 2020, 5:07pm UTC](https://discuss.elastic.co/t/i-o-exception-invalid-argument-error-when-taking-snapshot/212144/7 "2020-01-14T17:07:14Z")
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