The data service timed out because a back-end task took more than 120

Today I received error on my vm summary page in Vsphere web client: The data service timed out because a back-end task took more than 120 seconds. See the vsphere-client-virgo.log for more details.

Just before that I removed a test vcenter server, which was connected to my PSC  on production Vsphere instance.

You need to remove a stale vCenter Server from your SSO environment, use the cmsso-util. It may takes a long time but does the job.

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VMware VSAN Health Check Plugin Installation

Few weeks ago VMWare released VSAN Health Check Plugin. This plugin allows monitoring and troubleshooting your VSAN 6.0 Clusters. There are two versions of this plugin: first for Windows based vCenter Server and the second – for Linux VCSA (rpm file). VSAN Health Check plugin allows you to collect information about Cluster and its health, which would otherwise needed to be gathered via RVC or CLI. There is also a vib file which you need to deploy on your esxi hosts in VSAN Cluster.  The deployment of the VIB file can be done through vSphere web client (other methods are through RVC, VUM or manually via CLI with “esxcli software vib” commands).

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