Can t mark store as 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 a locked file. This could be due to the OpenSearch process not having the necessary permissions to modify the store files or another process locking the files. To resolve this issue, ensure that the OpenSearch process has the correct permissions to modify the store files. If the files are locked by another process, identify and stop that process. Also, consider checking the disk for errors as this could also cause the issue.

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

Log Context

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

                BytesRef ref = bytes.toBytesRef();
                output.writeBytes(ref.bytes; ref.offset; ref.length);
            } catch (IOException ex) {
                logger.warn("Can't mark store as corrupted"; ex);


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