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Briefly, this error occurs when OpenSearch fails to list the directory, which may result in some files not being deleted. This could be due to insufficient permissions, a locked file, or a faulty disk. To resolve this, ensure that OpenSearch has the necessary permissions to access and modify the directory. If a file is locked, try unlocking it or closing any applications that may be using it. If the issue persists, check the disk for errors and repair if necessary.
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This guide will help you check for common problems that cause the log ” [{}] [{}] failed to list directory – some of files might not be deleted ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: repositories, blobstore.
Log Context
Log “[{}] [{}] failed to list directory – some of files might not be deleted” classname is FileRestoreContext.java.
We extracted the following from OpenSearch source code for those seeking an in-depth context :
} catch (IOException e) {
logger.warn("[{}] [{}] failed to delete file [{}] during snapshot cleanup"; shardId; snapshotId; storeFile);
}
}
} catch (IOException e) {
logger.warn("[{}] [{}] failed to list directory - some of files might not be deleted"; shardId; snapshotId);
}
}
/**
* Restores given list of {@link BlobStoreIndexShardSnapshot.FileInfo} to the given {@link Store}.
