CloudLink Center upgrade requirements
Before upgrading to
CloudLink version
8.1.x, ensure the system meet the requirements listed in this chapter.
Upgrade requirements
For any security vulnerabilities, we recommend that you upgrade to the latest version available. For more information about the latest versions refer the knowledge base article
Cloudlink-security-support-policy-and-security-update-release-schedule-for-supported-versions.
- For an upgrade from 7.1.5+ to 8.1, follow the
Upgrade CloudLink 7.1.5+ to CloudLink 8.1 process in this document to do the upgrade.
- For an upgrade from 7.1.5+ to 8.0.2, follow the
Upgrade CloudLink 7.1.5+ to CloudLink 8.1 process in this document to do the upgrade.
- For an upgrade from 8.0.2 to 8.1, follow the
Upgrade CloudLink 8.0.x to CloudLink 8.1process in this document to do the upgrade. Before upgrading to CloudLink version 8.1.0 (build 13.13), ensure that you are using the version 8.0.2 (build 127.59).
- For an upgrade from 8.0.1 to 8.0.2, before upgrading to CloudLink version 8.0.2 (build 127.59), ensure that you are using the version 8.0.1 (build 87.46).
- Before upgrading to CloudLink version 8.0.1 (build 87.46), ensure that you are using the version 8.0 (build 3.10).
NOTE:To upgrade to CloudLink 8.0.1:
- Log in to the
CloudLink Center to verify the
CloudLink version and the build number. The version and build number is displayed in the
Information box on the
CloudLink Center Home panel.
- Need an active Internet connection to download the latest packages for upgrading Ubuntu Server on Microsoft Azure and AWS.
- Clear all the alarms before upgrading to the latest
CloudLink version.
- If integration to AD/LDAP is using SSL (not recommended), Contact Dell Technologies Support team to re-configure Windows Domain with LDAP over SSL, as the configuration gets disabled during an upgrade.
For information about upgrading from CloudLink 7.1.5 or later versions to CloudLink version 8.0.1, see
KB 000216470
.
Backups
It is recommended that you back up
CloudLink Center and the VMs before starting the upgrade process. Perform backups by using VM snapshots or traditional backup tools.
Ensure that the following critical backup requirements are met:
- Back up your
CloudLink Center configuration data. For more information, see the chapter "Back up and restore
CloudLink Center" in the
Dell
CloudLink Administration Guide.
- If you are using Microsoft Active Directory, Amazon S3 external storage, or an S3-compatible bucket, back up your encryption keys by using tools that are specific to those environments.
Keystore
If you are using an external keystore, ensure that the keystore is connected before starting the upgrade process.
CloudLink licenses
Before starting the upgrade process:
- Ensure that
CloudLink licenses are not expired.
- Licenses that are past their support duration—typically one, two, or three years from the date of purchase—are blocked from being uploaded.
- If licenses are expired after uploading, all the existing
CloudLink functionalities will continue to work including releasing of keys.
- New
CloudLink agent installation and encryption of machines and SDS devices cannot be performed.
- To reenable encryption, purchase a new license and upload it.
Passwords
You require the following:
- The
CloudLink secadmin password
- The
CloudLink console password
- One of the
CloudLink Vault passwords
- Passwords of the encrypted VMs
CloudLink clusters
The upgrade process upgrades all servers in a cluster.
- Ensure that all servers are accessible.
- Upload the upgrade ISO to any server in a cluster.
- Wait until the ISO image file is uploaded to all servers before you begin the upgrade process.
Ports
Before starting the upgrade process, ensure that TCP ports 1194 and UDP port 1194, are open. For more information, see the section "Software requirements for deploying
CloudLink Center" in the
Dell
CloudLink Deployment Guide.