Migration of Index from 2.3.1 to 5.2.1

Elastic Stack Elasticsearch
1

Hi,

I was executing Snapshot-Restore. I am able to generate Snapshot form ES 2.3.1 but when I restore on ES 5.2.1 I get error: unsupported snapshot state [FAILED].

Not able to figure out exact root cause. There are around 250+ indexes on my node.
So if some indexes are corrupt is there way:

  1. to find corrupt one.
  2. Can I proceed with snapshot ignoring corrupt index.

Thanks,
Amit Sinha.

[2017-04-01T23:17:26,670][WARN ][r.suppressed ] path: /_snapshot/XXX_repository/XXX_snapshot/_restore, params: {repository=XXX_repository, snapshot=XXX_s
napshot}
org.elasticsearch.snapshots.SnapshotRestoreException: [XXX_repository:XXX_snapshot/XXX_snapshot] unsupported snapshot state [FAILED]
at org.elasticsearch.snapshots.RestoreService.validateSnapshotRestorable(RestoreService.java:859) ~[elasticsearch-5.2.1.jar:5.2.1]
at org.elasticsearch.snapshots.RestoreService.restoreSnapshot(RestoreService.java:225) [elasticsearch-5.2.1.jar:5.2.1]
at org.elasticsearch.action.admin.cluster.snapshots.restore.TransportRestoreSnapshotAction.masterOperation(TransportRestoreSnapshotAction.java:89) [elasticsearch-5.2.1.jar:5.2.1]
at org.elasticsearch.action.admin.cluster.snapshots.restore.TransportRestoreSnapshotAction.masterOperation(TransportRestoreSnapshotAction.java:49) [elasticsearch-5.2.1.jar:5.2.1]
at org.elasticsearch.action.support.master.TransportMasterNodeAction.masterOperation(TransportMasterNodeAction.java:87) [elasticsearch-5.2.1.jar:5.2.1]
at org.elasticsearch.action.support.master.TransportMasterNodeAction$AsyncSingleAction$2.doRun(TransportMasterNodeAction.java:167) [elasticsearch-5.2.1.jar:5.2.1]
at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:596) [elasticsearch-5.2.1.jar:5.2.1]
at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) [elasticsearch-5.2.1.jar:5.2.1]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_102]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_102]

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