Veeam and vSphere Clustering Service (vCLS)

In vSphere 7 Update 1, vSphere Clustering Service (vCLS) was introduced, it basically provides DRS and HA even if vCenter server is down, cool 🙂

Read all about it here: vSphere 7 Update 1 – vSphere Clustering Service (vCLS) – VMware vSphere Blog

When backup up with Veeam Backup and Replication 10a, you will get failures, because of missing Linux credentials, you could disable Application aware backup, but as the vCLS VM’s are maintainted completely by the ESX agent, there are NO need to backup theese VM’s, as they are deleted/created when the server wants them to and they are only for running the environment as a “helper” VM.

The official support for vSphere 7.0U1 will be delivered in the Cumulative Patch 3 for Veeam Backup & Replication 10a

Until then, make an exception in Veeam for the vCLS VM’s 🙂

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