Cannot create blob store – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

Before you dig into reading this guide, have you tried asking OpsGPT what this log means? You’ll receive a customized analysis of your log.

Try OpsGPT now for step-by-step guidance and tailored insights into your Elasticsearch operation.

Briefly, this error occurs when Elasticsearch fails to initialize a blob store, which is used for storing snapshots. This could be due to insufficient permissions, incorrect configuration, or lack of disk space. To resolve this issue, you can check and adjust the file system permissions, verify the blob store configuration in your Elasticsearch settings, or free up some disk space. Additionally, ensure that the path specified for the blob store exists and is accessible.

For a complete solution to your to your search operation, try for free AutoOps for Elasticsearch & OpenSearch . With AutoOps and Opster’s proactive support, you don’t have to worry about your search operation – we take charge of it. Get improved performance & stability with less hardware.

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

Log Context

Log “cannot create blob store” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 try {
 store = createBlobStore();
 } catch (RepositoryException e) {
 throw e;
 } catch (Exception e) {
 throw new RepositoryException(; "cannot create blob store"; e);


How helpful was this guide?

We are sorry that this post was not useful for you!

Let us improve this post!

Tell us how we can improve this post?