Deleted snapshot failed – deleting files – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-7.7

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Briefly, this error occurs when Elasticsearch tries to delete a snapshot but fails due to issues with file access, such as insufficient permissions, or the files being locked or in use by another process. To resolve this, you can try to manually delete the files if you have the necessary permissions. Alternatively, you can stop the process that’s using the files, or change the file permissions to allow Elasticsearch to delete them. If the issue persists, it may be due to a bug in Elasticsearch, in which case you should consider updating to a newer version.

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This guide will help you check for common problems that cause the log ” deleted snapshot failed – deleting files ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: snapshot.

Log Context

Log “deleted snapshot failed – deleting files” classname is SnapshotsService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                                    }
                                }
                            );
                        };
                        e -> {
                            logger.warn("deleted snapshot failed - deleting files"; e);
                            threadPool.executor(ThreadPool.Names.SNAPSHOT).execute(() -> {
                                try {
                                    deleteSnapshot(snapshot.getRepository(); snapshot.getSnapshotId().getName(); listener; true);
                                } catch (SnapshotMissingException smex) {
                                    logger.info(() -> new ParameterizedMessage(

 

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