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Selecting a subset of the vCenter Server inventory to monitor in vCenter Operations Standard 1.0.x or Manager 5.x (1036195)

Details

The licenses you have purchased determine the number of virtual machines that you can monitor with vCenter Operations Standard 1.0.x or vCenter Operations Manager 5.0.x. If the inventory of the vCenter Server system that you want to monitor has more virtual machines than your license allows, or if you want to monitor a subset of that inventory, you can reduce the number of objects to be monitored.

Solution

vCenter Operations Standard and vCenter Operations Manager monitor all the virtual machines that the collection user has read access to. To comply with the licensing terms and monitor a supported number of objects rather than the entire vCenter Server inventory, you can limit the permissions of the collection user to the set of virtual machines and other objects in one or more datacenters or clusters.
 
VMware supports providing access to all of the objects in a datacenter, cluster, or standalone host. You cannot provide access to individual virtual machines because selecting a subset of virtual machines that share the same underlying physical layer results in a mismatch of metric values. For example, if a host has two virtual machines and you provide access to only one of the virtual machines, the host workload does not match the sum of the virtual machine workload because the sum accounts for only one virtual machine. VMware recommends providing the collection user access to all of the datastores and networks that are visible to the selected datacenters, clusters, and standalone hosts. Do not share these datastores and networks with datacenters, clusters, or standalone hosts that the collection user does not have access to. 
 
As a best practice before you assign a collection user, verify that the user has read access to the objects that you want to monitor. As a security precaution, do not assign the vSphere Administrator user as the collection user.

Note: Permission changes need to be applied before initial discovery (installation), or the objects continue to be displayed in the interface and count towards the license limit. 
 
To provide access to a cluster:
  1. Use the vSphere Client to connect to the vCenter Server system that you want to monitor.
  2. Select Home > Inventory > Hosts and Clusters.
  3. Right-click the cluster and select Add Permission.
  4. Click Add to identify the user or group to assign a role and click OK.
  5. Select Read-only from the Assigned Role dropdown.
  6. Select Propagate to Child Objects.
  7. Click OK to close the Assign Permissions dialog box.
  8. Select Home > Inventory > Datastores.
  9. On the Permissions tab for the datastores that are associated with the clusters to monitor, right-click the same user and click Properties.
  10. Select Read-only as the role and click OK.
  11. In the vCenter Operations Standard Administration page, assign the user with the Read-only role as the collection user and proceed to register vCenter Operations Standard with the vCenter Server system.

    The URL format of the Administration page is https://IP/adminMain.action, where IP is the IP address or fully qualified host name of the vCenter Operations Standard virtual appliance.

    The URL format of the Administration page for vCenter Operations Manager is https://IP/admin/, where IP is the IP address or fully qualified host name of the vCenter Operations Manager virtual appliance.
You can follow a similar process to provide access to a datacenter. Granting access to a datacenter provides access to any datastores referenced by hosts within the datacenter. Note that the permission must be applied at the datacenter level and propagated to any child views (such as networking objects), as in the preceding procedure.
 
Note: The permissions have to be set in the Hosts and Clusters view and the Virtual Machines and Templates view for the collection to occur. The above information applies to the vCenter Operations Appliance which has not performed any discovery yet on the objects of the vCenter Inventory. When the appliance has discovered the objects, it continues to show up in the list of objects and consume licenses. Currently there is no supported method to remove these objects from vCenter Operations Standard/Advanced editions, either 1.x or 5.x. If you want to remove the objects once already discovered, the only supported method is to perform a reinstall. 
 

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