Failed to remove snapshot deletion metadata – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-8.2

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Briefly, this error occurs when Elasticsearch is unable to delete the metadata associated with a snapshot that has been removed. This could be due to insufficient permissions, a locked file, or a network issue. To resolve this, you can try to manually delete the metadata file, ensure that Elasticsearch has the necessary permissions, or check the network connection. If the issue persists, you may need to restart the Elasticsearch service or, in extreme cases, recreate the snapshot repository.

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This guide will help you check for common problems that cause the log ” {} failed to remove snapshot deletion metadata ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: metadata, snapshot.

Log Context

Log “{} failed to remove snapshot deletion metadata” classname is SnapshotsService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

            return res.v1();
        }

        @Override
        public void onFailure(Exception e) {
            logger.warn(() -> new ParameterizedMessage("{} failed to remove snapshot deletion metadata"; deleteEntry); e);
            repositoryOperations.finishDeletion(deleteEntry.uuid());
            failAllListenersOnMasterFailOver(e);
        }

        protected SnapshotDeletionsInProgress filterDeletions(SnapshotDeletionsInProgress deletions) {

 

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