Couldn t mark store corrupted – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-6.8

Briefly, this error occurs when Elasticsearch fails to mark a data store as corrupted due to issues like insufficient permissions, disk space, or a network error. To resolve this, you can try the following: 1) Check and ensure that Elasticsearch has the necessary permissions to access and modify the data store. 2) Verify that there is enough disk space available. 3) Check the network connection and ensure it’s stable. 4) If the error persists, consider moving the data to a new store or restoring from a backup.

This guide will help you check for common problems that cause the log ” Couldn’t mark store corrupted ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index.

Log Context

Log “Couldn’t mark store corrupted” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                     if (Lucene.isCorruptionException(failure)) {
                        try {
                            store.markStoreCorrupted(new IOException("failed engine (reason: [" + reason + "])";
                        } catch (IOException e) {
                            logger.warn("Couldn't mark store corrupted"; e);
                    eventListener.onFailedEngine(reason; failure);
            } catch (Exception inner) {


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