Input Output Error when creating snapshot

Elastic Stack Elasticsearch
1

We are trying to add a Windows Shared Folder as the repository location for a Single Node Elasticsearch Instance that is running on SUSE SLES.

However once we try to create a new snapshot we get the following error:

[2018-12-10T11:00:36,436][WARN ][r.suppressed ] path: /_snapshot/auto_repo_nov_2018/test, params: {repository=auto_repo_nov_2018, snapshot=test}
org.elasticsearch.snapshots.SnapshotCreationException: [auto_repo_nov_2018:test/-XukaQxVSfeiK7zWKnfkDA] failed to create snapshot
at org.elasticsearch.repositories.blobstore.BlobStoreRepository.initializeSnapshot(BlobStoreRepository.java:336) ~[elasticsearch-6.3.2.jar:6.3.2]
at org.elasticsearch.snapshots.SnapshotsService.beginSnapshot(SnapshotsService.java:363) ~[elasticsearch-6.3.2.jar:6.3.2]
at org.elasticsearch.snapshots.SnapshotsService.access$700(SnapshotsService.java:104) ~[elasticsearch-6.3.2.jar:6.3.2]
at org.elasticsearch.snapshots.SnapshotsService$1.lambda$clusterStateProcessed$1(SnapshotsService.java:281) ~[elasticsearch-6.3.2.jar:6.3.2]
at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:626) ~[elasticsearch-6.3.2.jar:6.3.2]
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [?:1.8.0_161]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [?:1.8.0_161]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_161]
Caused by: java.io.IOException: Input/output error
at sun.nio.ch.FileDispatcherImpl.close0(Native Method) ~[?:?]
at sun.nio.ch.FileDispatcherImpl.close(Unknown Source) ~[?:?]
at sun.nio.ch.FileChannelImpl.implCloseChannel(Unknown Source) ~[?:?]
at java.nio.channels.spi.AbstractInterruptibleChannel.close(Unknown Source) ~[?:1.8.0_161]
at java.nio.channels.Channels$1.close(Unknown Source) ~[?:1.8.0_161]
at org.elasticsearch.core.internal.io.IOUtils.close(IOUtils.java:94) ~[elasticsearch-core-6.3.2.jar:6.3.2]
at org.elasticsearch.core.internal.io.IOUtils.close(IOUtils.java:64) ~[elasticsearch-core-6.3.2.jar:6.3.2]
at org.elasticsearch.core.internal.io.Streams.copy(Streams.java:64) ~[elasticsearch-core-6.3.2.jar:6.3.2]
at org.elasticsearch.common.blobstore.fs.FsBlobContainer.writeBlob(FsBlobContainer.java:131) ~[elasticsearch-6.3.2.jar:6.3.2]
at org.elasticsearch.repositories.blobstore.ChecksumBlobStoreFormat.writeBlob(ChecksumBlobStoreFormat.java:191) ~[elasticsearch-6.3.2.jar:6.3.2]
at org.elasticsearch.repositories.blobstore.ChecksumBlobStoreFormat.write(ChecksumBlobStoreFormat.java:161) ~[elasticsearch-6.3.2.jar:6.3.2]
at org.elasticsearch.repositories.blobstore.BlobStoreRepository.initializeSnapshot(BlobStoreRepository.java:326) ~[elasticsearch-6.3.2.jar:6.3.2]
... 7 more

I think we might have made a mistake adding the windows Shared Folder in our linux server. What we did was the following steps:

  1. Mount the Windows Shared Folder on linux with a command like the following in /etc/fstab by using command:

<windows server shared folder> <linux mount point> cifs defaults,gid=,file_mode=0777,dir_mode=0777,noauto,nofail,credentials=<credentials file>,x-systemd.automount,x-systemd.requires=network-online.target 0 0

  1. Add the mount point at path.repo inside our elasticsearch.yml.

  2. Finally we just register the repository in Elasticsearch.

Do you have any idea what our problem is?.

2

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