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Briefly, this error occurs when the location specified in the OpenSearch configuration does not match the repository path. This could be due to incorrect syntax, a typo, or a misconfiguration. To resolve this issue, you should first verify the repository path in your OpenSearch configuration. Ensure that the path is correct and properly formatted. If the error persists, check the permissions of the specified location. It should be accessible and writable by the OpenSearch process. Lastly, ensure that the repository is correctly configured and initialized in OpenSearch.
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This guide will help you check for common problems that cause the log ” The specified location [{}] should start with a repository path specified by ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: repositories, repository.
Quick links
Overview
An OpenSearch snapshot provides a backup mechanism that takes the current state and data in the cluster and saves it to a repository (read snapshot for more information). The backup process requires a repository to be created first. The repository needs to be registered using the _snapshot endpoint, and multiple repositories can be created per cluster. The following repository types are supported:
Repository types
| Repository type | Configuration type |
|---|---|
| Shared file system | Type: “fs” |
| S3 | Type : “s3” |
| HDFS | Type :“hdfs” |
| Azure | Type: “azure” |
| Google Cloud Storage | Type : “gcs” |
Examples
To register an “fs” repository:
PUT _snapshot/my_repo_01
{
"type": "fs",
"settings": {
"location": "/mnt/my_repo_dir"
}
}Notes and good things to know
- S3, HDFS, Azure and Google Cloud require a relevant plugin to be installed before it can be used for a snapshot.
- The setting, path.repo: /mnt/my_repo_dir needs to be added to opensearch.yml on all the nodes if you are planning to use the repo type of file system. Otherwise, it will fail.
- When using remote repositories, the network bandwidth and repository storage throughput should be high enough to complete the snapshot operations normally, otherwise you will end up with partial snapshots.
Log Context
Log “The specified location [{}] should start with a repository path specified by” classname is FsRepository.java.
We extracted the following from OpenSearch source code for those seeking an in-depth context :
logger.warn("The specified location [{}] doesn't start with any "
+ "repository paths specified by the path.repo setting: [{}] "; location; environment.repoFiles());
throw new RepositoryException(metadata.name(); "location [" + location
+ "] doesn't match any of the locations specified by path.repo");
} else {
logger.warn("The specified location [{}] should start with a repository path specified by"
+ " the path.repo setting; but the path.repo setting was not set on this node"; location);
throw new RepositoryException(metadata.name(); "location [" + location
+ "] doesn't match any of the locations specified by path.repo because this setting is empty");
}
}
