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Question 1

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.)

    Correct Answer: D, E

    Given the requirement to minimize downtime for ESXi hosts while applying updates to a vSphere cluster running vSAN, the administrator should proceed by staging the required software in parallel across all ESXi hosts and then performing a sequential remediation. Staging is performed in parallel by vSphere Lifecycle Manager, which reduces the time required for the operation. However, for vSAN clusters, remediation of the ESXi hosts must be done sequentially to avoid disruptions to the storage availability. This is why the correct steps involve first staging the software to all hosts in parallel and then using the Remediate option to update each host one at a time, allowing the vSphere Lifecycle Manager to control the maintenance mode automatically.

Discussion
dumpsvibe_comOptions: DE

To start the remediation of the cluster using the new image: 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. D. Leave all ESXi hosts in the cluster operational. Use the Stage All option in vSphere Lifecycle Manager to stage the required software onto all ESXi hosts in the cluster in parallel.

PCG1

Yes: https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-lifecycle-manager/GUID-DD04A5FC-752C-405E-9771-69404A5CF105.html "In vSphere 8.0, staging exists as a separate operation that you can initiate. Staging is also automatically triggered when you remediate a cluster, a host in the cluster, or a standalone host. By default, vSphere Lifecycle Manager performs the staging operation onto all hosts in the cluster in parallel."

michael24Options: CE

CE seems to be the correct answer. Generally you would want to patch a vSAN cluster a node at a time (sequentially) so you do not inadvertently cause a storage outage in the cluster. Also, if you look in the link below, you cannot remediate a vSAN cluster in parallel mode: Parallel remediation is deactivated by default, but you can enable it during remediation or in the vSphere Lifecycle Manager general remediation settings. You cannot remediate in parallel hosts in a vSAN cluster https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-lifecycle-manager/GUID-26EB282E-AD1E-425A-B4CF-1D70C0DE3C8F.html

tyhoon

The question stated that an image has been created to remediate all hosts using an image. During the remediation of a cluster against a vSphere Lifecycle Manager image, the ESXi hosts in the cluster are remediated sequentially by default too.

VMwareGuy123

I don't get it, why not D & E?

VMwareGuy123

vSan was the keyword, sorry. I'll go for C & E!

HAMOO

I think D&E because we can stage all hosts before remediate them. Staging operation in vSphere 8 will not required to put ESXi in maintenance mode.

[Removed]

I agree. I have highlighted the text on vSAN. https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-lifecycle-manager/GUID-26EB282E-AD1E-425A-B4CF-1D70C0DE3C8F.html#:~:text=You%20cannot%20remediate%20in%20parallel%20hosts%20in%20a%20vSAN%20cluster.

LegitCrew

The answer is D and E. You can STAGE in parallel, vSAN REMEDIATE in sequence

dumpsvibe_comOption: A

A. Use the Remediate option in vSphere Lifecycle Manager to update all ESXi hosts in parallel and let vSphere Lifecycle Manager handle maintenance mode automatically.

a29ef0aOptions: AE

Current question set valid . Follow michael24 answers and mrwolf too. For the other ones, community majority

antera309Options: DE

Staging is always in Parallel https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-lifecycle-manager/GUID-DD04A5FC-752C-405E-9771-69404A5CF105.html#:~:text=By%20default%2C%20vSphere%20Lifecycle%20Manager,single%20host%20from%20that%20cluster. Remediation: Non-VSAN cluster = Parallel or Serial depending on resources and option chosen VSAN cluster = always Serial https://core.vmware.com/blog/vsphere-lifecycle-manager-feature-spotlight-parallel-remediation#:~:text=Parallel%20remediation%20is%20deactivated%20by,manually%20prepared%20in%20maintenance%20mode. So the Answer is: D, E

FR_WolfmanOptions: DE

Cannot be answer A : a vSAN cluster cannot remediate all the hosts at the same time, it has to be update 1 by 1. Cannot be answer B : It is useless to place the hosts in maintenance for staging Cannot be answer C : The staging is done in parallel by default So answers D and E : - We let the hosts as-is - We launch the staging, which is performed on all hosts in parallel - Then we launch the Remediate All option : vLCM will put a host in maintenance and update it, and will continue sequencially.

ertin74Options: DE

DE Staging in parallel, remediation sequential.

fitsegreatOptions: DE

Stage parallelly and remediate sequentially

ollvOptions: AE

In vSphere 8.0, staging exists as a separate operation that you can initiate. Staging is also automatically triggered when you remediate a cluster, a host in the cluster, or a standalone host. By default, vSphere Lifecycle Manager performs the staging operation onto all hosts in the cluster in parallel. You cannot remediate in parallel hosts in a vSAN cluster

RJB71Options: BE

Agree with Michael - this link https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere-lifecycle-manager.doc/GUID-C2BB3DC5-D0E4-44D6-BA43-EB67F005CF8F.html states specifically, "Sequentially" not parallel

DCTOptions: CE

CE is correct as what michael mentioned.

a29ef0a

Has someone taken this exam recently? I can't find any comments

MegalodonOptions: DE

vSphere Lifecycle Manager remediates hosts that are part of a vSAN cluster sequentially. By default, vSphere Lifecycle Manager performs the staging operation onto all hosts in the cluster in parallel.

jimr999Options: DE

D & E are correct. B and C not correct because Staging occurs in parallel by default. A is not correct because Lifcycle Manager does not manage entry/exit from maintenance mode when parallel mode is chosen.

thisisfadiOptions: AE

AD Update Manager places only one host from a vSAN cluster in a maintenance mode at any time. Because of that the host remediation process might take an extensive amount of time to finish since Update Manager must handle the remediation of the hosts sequentially. Update Manager remediates hosts that are part of a vSAN cluster sequentially even if you select the option to remediate them in parallel. https://docs.vmware.com/en/VMware-vSphere/6.7/com.vmware.vsphere.update_manager.doc/GUID-B178F453-E78F-43C1-B64C-54591B76E5F7.html

pour

Hello, On this VMWare certification, do the answers appear in this order where they are mixed ? (not the questions but the answers) thanks

msurinOptions: AD

I finally voted for AD. Why? There is no mention the downtime for VMs must be minimal. Only for ESXi hosts: "Downtime to the ESXi hosts must be minimal while the work is completed.". There is no information about the size of the cluster. That's why to have it done as queck as possible I would remediate as many ESXi hosts in parallel as possible