# Snapshot issue **URL:** \ **Category:** Elasticsearch\ **Created:** [January 9, 2017, 9:10am UTC](https://discuss.elastic.co/t/snapshot-issue/70930 "2017-01-09T09:10:36Z")\ **Posts on this page:** 10\ **Page:** 1
**Author:** ![ankit2255](https://avatars.discourse-cdn.com/v4/letter/a/d07c76/32.png) [@ankit2255](https://discuss.elastic.co/u/ankit2255)\ **Post date:** [January 9, 2017, 9:10am UTC](https://discuss.elastic.co/t/snapshot-issue/70930/1 "2017-01-09T09:10:36Z")
Hi team, unable to take snapshot of elasticsearch while i am taking snapshot it save with .dat format. i am using nfs storage for repo can you please help me on this issue. thanks in advance ---
**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\ **Post date:** [January 9, 2017, 9:21am UTC](https://discuss.elastic.co/t/snapshot-issue/70930/2 "2017-01-09T09:21:21Z")
Any error? ---
**Author:** ![ankit2255](https://avatars.discourse-cdn.com/v4/letter/a/d07c76/32.png) [@ankit2255](https://discuss.elastic.co/u/ankit2255)\ **Post date:** [January 9, 2017, 9:34am UTC](https://discuss.elastic.co/t/snapshot-issue/70930/3 "2017-01-09T09:34:16Z")
no i am not get any error while taking snapshot but after complete snapshot backup file save with .dat format can you please help me. i am using nfs storage for this @dadoonet ---
**Author:** ![ankit2255](https://avatars.discourse-cdn.com/v4/letter/a/d07c76/32.png) [@ankit2255](https://discuss.elastic.co/u/ankit2255)\ **Post date:** [January 9, 2017, 9:49am UTC](https://discuss.elastic.co/t/snapshot-issue/70930/4 "2017-01-09T09:49:05Z")
hi All, it save like this format -rw-r--r-- 1 elasticsearch elasticsearch 122 Jan 9 14:26 meta-snapshot\_2w2s2.dat -rw-r--r-- 1 elasticsearch elasticsearch 176 Jan 9 14:26 snap-snapshot\_2w2s2.dat please help me on this issue ---
**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\ **Post date:** [January 9, 2017, 7:14pm UTC](https://discuss.elastic.co/t/snapshot-issue/70930/5 "2017-01-09T19:14:05Z")
And what is wrong with that? ---
**Author:** ![ankit2255](https://avatars.discourse-cdn.com/v4/letter/a/d07c76/32.png) [@ankit2255](https://discuss.elastic.co/u/ankit2255)\ **Post date:** [January 10, 2017, 4:10am UTC](https://discuss.elastic.co/t/snapshot-issue/70930/6 "2017-01-10T04:10:55Z")
Hi, i unable to restore .dat file format can please help on this to how to restore .dat snapshot ---
**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\ **Post date:** [January 10, 2017, 6:45am UTC](https://discuss.elastic.co/t/snapshot-issue/70930/7 "2017-01-10T06:45:16Z")
To restore, you need to use elasticsearch API. The same you used to backup your data. ---
**Author:** ![ankit2255](https://avatars.discourse-cdn.com/v4/letter/a/d07c76/32.png) [@ankit2255](https://discuss.elastic.co/u/ankit2255)\ **Post date:** [January 10, 2017, 1:34pm UTC](https://discuss.elastic.co/t/snapshot-issue/70930/8 "2017-01-10T13:34:18Z")
Hi dadoonet, do you have idea about this error. "reason": "IndexShardSnapshotFailedException[Failed to snapshot]; nested: ElasticsearchException[failed to create blob container]; nested: AccessDeniedException[/opt/nfsstorage/indices/CaJzfuDWTqql1OK9nRA7XA/1]; i am getting this error while i will take an snapshot please help me on this ---
**Author:** ![ankit2255](https://avatars.discourse-cdn.com/v4/letter/a/d07c76/32.png) [@ankit2255](https://discuss.elastic.co/u/ankit2255)\ **Post date:** [January 11, 2017, 5:32am UTC](https://discuss.elastic.co/t/snapshot-issue/70930/9 "2017-01-11T05:32:44Z")
{ "error": { "root\_cause": [ { "type": "repository\_verification\_exception", "reason": "[es4\_backup] [[SiVtYos-Qo-LRlL9UItz8A, 'RemoteTransportException[[tmz-mc2][192.0.0.21:9300][internal:admin/repository/verify]]; nested: RepositoryVerificationException[[es4\_backup] store location [/opt/nfsstorage] is not accessible on the node [{tmz-mc2}{SiVtYos-Qo-LRlL9UItz8A}{DNKSF50UQke0xzuHwqgILg}{192.0.0.21}{192.0.0.21:9300}]]; nested: AccessDeniedException[/opt/nfsstorage/tests-cIvTtcNSSrm1RuY2oTYkYg/data-SiVtYos-Qo-LRlL9UItz8A.dat];']]" } ], "type": "repository\_verification\_exception", "reason": "[es4\_backup] [[SiVtYos-Qo-LRlL9UItz8A, 'RemoteTransportException[[tmz-mc2][192.0.0.21:9300][internal:admin/repository/verify]]; nested: RepositoryVerificationException[[es4\_backup] store location [/opt/nfsstorage] is not accessible on the node [{tmz-mc2}{SiVtYos-Qo-LRlL9UItz8A}{DNKSF50UQke0xzuHwqgILg}{192.0.0.21}{192.0.0.21:9300}]]; nested: AccessDeniedException[/opt/nfsstorage/tests-cIvTtcNSSrm1RuY2oTYkYg/data-SiVtYos-Qo-LRlL9UItz8A.dat];']]" }, "status": 500 } Please help me on this issue i am stuck on this #dadoonet ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [February 8, 2017, 5:33am UTC](https://discuss.elastic.co/t/snapshot-issue/70930/10 "2017-02-08T05:33:05Z")
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