It is strongly recommended to take snapshots before upgrading to prevent potential data loss. This is essential for a production environment.

1. Add path.repo in elasticsearch.yml.

2. Create a repository and snapshots in Kibana using this repo path.

3. Click Here To Register Snapshots

For Elasticsearch 7.17.22

1. Download the new RPM package:

curl -L -O https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-7.17.22-x86_64.rpm

2. Stop Elasticsearch services:

sudo systemctl stop elasticsearch

3. Install the new RPM package:

 sudo rpm -Uvh elasticsearch-7.17.22-x86_64.rpm

(u = upgrade, v = verbose, h = hash (progress index))

4. Start the Elasticsearch service.

sudo systemctl start elasticsearch

5. If index or data is missing, restore the snapshot:

· Choose either all or particular index.

· Start the Elasticsearch service.

For Elasticsearch 8.12.2

1. Download the new RPM package.

curl -L -O https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-8.12.2-x86_64.rpm

2. Stop Elasticsearch services.

sudo systemctl stop elasticsearch

3. Install the new RPM package:

sudo rpm -Uvh elasticsearch-8.12.2-x86_64.rpm

4. Disable xpack in elasticsearch.yml.

5. Start the Elasticsearch service.

sudo systemctl start elasticsearch

Snapshot Restoration

· Choose either all or a particular index for restoration.

· By default, all data is stored automatically. If any problem arises, restore data by snapshot.

· Click Here To Restore Snapshots