VMware vSphere Lifecycle Manager (vLCM) is an alternative lifecycle management tool to vSphere Update Manager (used in versions earlier than vSphere 7.0) that centralizes and simplifies ESXi hosts using images and baselines.
As a service running in vCenter Server, vSphere Lifecycle Manager requires no additional installation and shares the same ability of host patching and upgrade as its predecessor. And not only that, but this lifecycle management tool also enables VM hardware and VMware Tools upgrades.
Components
VIBs: the basis of ESXi host installable packages.
Bulletins: one or more VIBs to create vLCM baselines.
Patches: one or more VIBs features, software improvements, and bug fixes.
Roll-up Bulletin: patches that can be deployed easily as a whole.
Extensions: optional components from third-party providers.
Depot: a source of software updates for the Manager with automated software download from the online depot or manual import to the vLCM depot.
Baseline: a group of one or more bulletins, patches, and extensions to be applied to the ESXi hosts or the entire vCenter for the level of compliance.
Features
Compliance check: scan ESXi hosts to determine compliance level with baseline and image.
Remediation pre-check: check the cluster health in advance.
Remediation: convert a non-compliant host with an image and baseline to a compliant one.
Staging: reduce the amount of time that ESXi hosts spend in maintenance mode.
Host firmware: update the ESXi host firmware in image-managed clusters.
Images: use an ESXi image to manage hosts rather than baselines for certain “qualified” clusters.
Prerequisites
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Single image management: ESXi version: 7.0 and higher; state: stateful; source: from the same vendor with the same hardware; include only integrated solutions.
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Baselines and its groups: host patching versions: ESXi 6.7, 7, 8; host upgrade versions: ESXi 6.7, 7.
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Change from baselines to an image: cluster requirements for using an image and transition.
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Upgrade hardware and Tools: ESXi versions: 6.7, 7, 8.
vSphere Update Manager vs Lifecycle Manager
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vSphere Update Manager
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vSphere Lifecycle Manager
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Source
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Install
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Embed
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Upgrade and patch ESXi
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Yes
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Yes
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VMware Tools management
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Yes
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Yes
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VM hardware versions management
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Yes
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Yes
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Third-party software installed on ESXi
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Yes
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Yes
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Third-party software and fireware install across clusters
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No
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Yes
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ESXi image across the cluster
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No
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Yes
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Hardware compatibility
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No
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Yes
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Update ESXi 7 to 8 with vSphere Lifecycle Manager
1. Log in to vCenter Server, navigate to properties> Updates> Image> Setup Image.
2. Choose ESXi 8.0 from the dropdown list of ESXi Version and click Save.
3. Under the Image Compliance panel, Remediate All hosts.
4. Review Remediation impact window will appear, then click Start Remediation.
5. Wait for the remediation, and you’ll see the host reboot to ESXi 8.0 after the upgrade.
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Conclusion
vSphere Lifecycle Manager simplifies the upgrade and patch of ESXi hosts in vSphere and makes lifecycle management easier for users. However, servers and VMs can be corrupted, and VMware backup is certainly a priority. Use Vinchin Backup & Recovery for comprehensive data backup, recovery, and migration.
