Learn the correct steps to apply updates to a vSphere cluster running vSAN with minimal downtime using vSphere Lifecycle Manager, ensuring minimal disruption to your virtual infrastructure.
Table of Contents
Question
An administrator is tasked with applying updates to a vSphere cluster running vSAN using vSphere Lifecycle Manager. Downtime to the ESXi hosts must be minimal while the work is completed.
The administrator has already completed the following steps and no errors have been returned:
- Downloaded all applicable software and created a new image.
- Attached the new image to the cluster and run a compliance check against the image for the cluster.
- Ran a remediation pre-check for the cluster.
Which two series of steps should the administrator perform to start the remediation of the cluster using the new image? (Choose two.)
A. 1. Use the Remediate option in vSphere Lifecycle Manager to remediate all of the ESXi hosts in the cluster in parallel.
2. Allow vSphere Lifecycle Manager to automatically control maintenance mode on the ESXi hosts.
B. 1. Place each of the ESXi hosts into maintenance mode manually.
2. Use the Stage option in vSphere Lifecycle Manager to stage the required software on all ESXi hosts one at a time.
C. 1. Leave all ESXi hosts in the cluster operational.
2. Use the Stage All option in vSphere Lifecycle Manager to stage the required software onto all ESXi hosts one at a time.
D. 1. Leave all ESXi hosts in the cluster operational.
2. Use the Stage All option in vSphere Lifecycle Manager to stage the required software onto all ESXi hosts in the cluster in parallel.
E. 1. Use the Remediate option in vSphere Lifecycle Manager to remediate all of the ESXi hosts in the cluster in sequence.
2. Allow vSphere Lifecycle Manager to automatically control maintenance mode on the ESXi hosts.
Answer
A. 1. Use the Remediate option in vSphere Lifecycle Manager to remediate all of the ESXi hosts in the cluster in parallel.
2. Allow vSphere Lifecycle Manager to automatically control maintenance mode on the ESXi hosts.
E. 1. Use the Remediate option in vSphere Lifecycle Manager to remediate all of the ESXi hosts in the cluster in sequence.
2. Allow vSphere Lifecycle Manager to automatically control maintenance mode on the ESXi hosts.
Explanation
Option A:
- Use the Remediate option in vSphere Lifecycle Manager to remediate all of the ESXi hosts in the cluster in parallel.
- Allow vSphere Lifecycle Manager to automatically control maintenance mode on the ESXi hosts.
Option E:
- Use the Remediate option in vSphere Lifecycle Manager to remediate all of the ESXi hosts in the cluster in sequence.
- Allow vSphere Lifecycle Manager to automatically control maintenance mode on the ESXi hosts.
Both options involve using the Remediate option in vSphere Lifecycle Manager, which applies the updates to the ESXi hosts. The difference lies in whether the hosts are remediated in parallel (Option A) or in sequence (Option E).
Remediating hosts in parallel can be faster, but it may cause more disruption to the workloads running on the cluster, as multiple hosts will be placed in maintenance mode simultaneously. Remediating hosts in sequence ensures that only one host is in maintenance mode at a time, minimizing the impact on running workloads, but it takes longer to complete the update process.
In both cases, it is recommended to let vSphere Lifecycle Manager control the maintenance mode on the ESXi hosts automatically, as it can orchestrate the process more efficiently and reduce the risk of human error.
The other options (B, C, and D) involve manually placing hosts in maintenance mode or using the Stage option, which is not the most efficient or recommended approach for updating a vSphere cluster running vSAN with minimal downtime.
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