Failed to create snapshot no longer a master – How to solve related issues

Failed to create snapshot no longer a master – How to solve related issues

Opster Team

Jan-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you run Elasticsearch Error Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” Failed to create snapshot no longer a master ” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: master and snapshot.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to pinpoint the cause of many errors and provides suitable actionable recommendations how to resolve them (free tool that requires no installation).

Log Context

Log “[{}] failed to create snapshot – no longer a master” classname is SnapshotsService.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 
                    
Override
                    public void onNoLongerMaster(String source) {
                        // We are not longer a master - we shouldn't try to do any cleanup
                        // The new master will take care of it
                        logger.warn("[{}] failed to create snapshot - no longer a master"; snapshot.snapshot().getSnapshotId());
                        userCreateSnapshotListener.onFailure(
                            new SnapshotException(snapshot.snapshot(); "master changed during snapshot initialization"));
                    }

                    
Override


 

Run the Check-Up to get customized recommendations like this:

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Description

There are various “watermark” thresholds on each Elasticsearch cluster. When the high disk watermark threshold has been exceeded, it means disk space is running out. The node will…

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Recommendations

Based on your specific ES deployment you should…

1

X-PUT curl -H [a customized code snippet to resolve the issue]

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