Recommend customer to turn off snapshots before upgrade (#54999)

Co-authored-by: Copilot <[email protected]>
Co-authored-by: Sunbrye Ly <[email protected]>

Author: 3 people

content/admin/upgrading-your-instance/preparing-to-upgrade/upgrade-requirements.md

@@ -30,7 +30,7 @@ topics:
 * Use the latest patch release when upgrading. {% data reusables.enterprise_installation.enterprise-download-upgrade-pkg %}
 * Use a staging instance to test the upgrade steps. For more information, see [AUTOTITLE](/admin/installation/setting-up-a-github-enterprise-server-instance/setting-up-a-staging-instance).
 * When running multiple upgrades, ensure data migrations and upgrade tasks running in the background are fully complete before proceeding to the next feature upgrade. To check the status of these processes, you can use the `ghe-migrations` and `ghe-check-background-upgrade-jobs` command-line utilities. For more information, see [AUTOTITLE](/admin/configuration/configuring-your-enterprise/command-line-utilities#upgrading-github-enterprise-server).
-* Take a snapshot before upgrading your virtual machine. For more information, see [AUTOTITLE](/admin/upgrading-your-instance/preparing-to-upgrade/taking-a-snapshot).
+* Take a snapshot before upgrading your virtual machine. For more information, see [AUTOTITLE](/admin/upgrading-your-instance/preparing-to-upgrade/taking-a-snapshot). After the snapshot is taken, turn off automatic snapshots to avoid possible performance impacts during upgrade.
 * Ensure you have a recent, successful backup of your instance. For more information, see the [{% data variables.product.prodname_enterprise_backup_utilities %} README.md file](https://github.com/github/backup-utils#readme).
 
 ## Requirements