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

Opster Team

Aug-23, Version: 1-2.9

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Briefly, this error occurs when OpenSearch fails to mark a data store as corrupted due to insufficient permissions or disk space issues. To resolve this, you can try the following: 1) Check and adjust the permissions of the OpenSearch data directory to ensure the OpenSearch process has write access. 2) Free up disk space if it’s running low. 3) Check the integrity of the file system, as it could be a sign of a more serious disk issue. 4) If the problem persists, consider moving the data to a new store or node.

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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 OpenSearch concepts: index.

Log Context

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

                            try {
                                    new IOException("failed engine (reason: [" + reason + "])"; ExceptionsHelper.unwrapCorruption(failure))
                            } catch (IOException e) {
                                logger.warn("Couldn't mark store corrupted"; e);
                            } finally {
                        } else {


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