Cannot run cleanup on readonly repository – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.4-8.9

Briefly, this error occurs when you try to perform a cleanup operation on a repository that is set to read-only mode in Elasticsearch. This mode prevents any write operations, including cleanup. To resolve this issue, you can either change the repository settings to read-write mode or create a new repository with write permissions. Additionally, ensure that the user executing the cleanup operation has the necessary permissions to perform write operations.

This guide will help you check for common problems that cause the log ” cannot run cleanup on readonly repository ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: blobstore, repository, repositories.

Log Context

Log “cannot run cleanup on readonly repository” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 * @param listener              Listener to complete when done
 public void cleanup(long repositoryStateId; Version repositoryMetaVersion; ActionListener listener) {
 try {
 if (isReadOnly()) {
 throw new RepositoryException(; "cannot run cleanup on readonly repository");
 Map rootBlobs = blobContainer().listBlobs();
 final RepositoryData repositoryData = safeRepositoryData(repositoryStateId; rootBlobs);
 final Map foundIndices = blobStore().blobContainer(indicesPath()).children();
 final Set survivingIndexIds = repositoryData.getIndices()


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