Symptoms
Selecting object in the inventory takes up to 2 minutes to display the summaryvSphere Client (html5) and vSphere web-client (flash) both experience slow performance when viewing objects with intermittent timeouts.A reboot of the vCenter resolves the issue temporarilyYou do not have vsan enabled in any cluster managed by the vCenterIn the /var/log/vmware/vsphere-ui/logs/dataservice.log you see messages similar to:
[2019-05-09T11:26:07.420Z] [ERROR] extfw-filterer-pool-603 70000992 100053 200006 RiseToViseResult [queryId: q-1751] Returning partial results as one or more dataproviders responded with error. java.lang.IllegalArgumentException: vSAN datastore not found for the given VM. at com.vmware.vsphere.client.vsandp.helper.VsanDpInventoryHelper.getVmDatastore(VsanDpInventoryHelper.java:141) at com.vmware.vsphere.client.vsandp.helper.VsanDpInventoryHelper.isVmRestoreAllowed(VsanDpInventoryHelper.java:162) at com.vmware.vsphere.client.vsandp.dataproviders.vm.VmDataProtectionPropertyProviderAdapter.isVmRestoreAllowed(VmDataProtectionPropertyProviderAdapter.java:174) at com.vmware.vsphere.client.vsandp.dataproviders.vm.VmDataProtectionPropertyProviderAdapter.getProperties(VmDataProtectionPropertyProviderAdapter.java:69)
In the /var/log/vmware/vsphere-ui/logs/vsphere_client_virgo.log you see logs similar to the ones below;
[2019-05-09T10:59:17.210Z] [INFO ] data-service-pool-791 70000860 100053 200006 c.vmware.vsphere.client.vsan.base.service.VsanServiceFactoryBase Using VMODL version: com.vmware.vim.vsan.binding.vsan.version.version9[2019-05-09T10:59:57.492Z] [INFO ] health-status-67 com.vmware.vise.vim.cm.healthstatus.AppServerHealthService Memory usage: used=550,122,136; max=1
Cause
This issue is caused by the vSAN plugin in vCenter 6.7 Update 2 which is enabled by default.
Resolution
This issue is resolved in vCenter 6.7 u3g release.
Workaround
Disable the vSAN plugin on vCenter without any vSAN cluster.To disable the vSAN plugin:
Navigate to Home -> Administration in vSphere client(html5) or vSphere Web Client(Flash)Under Solutions choose Client Plug-insSelect vSAN plugin and disable