6.0.1

Table Of Contents
Unmanaged Workload Detected on Datastore
In the vSphere Web Client, an alarm is triggered when vCenter Server detects that a workload from a host
might be affecting performance.
Problem
The alarm Unmanaged workload is detected on the datastore is triggered.
Cause
The array is shared with non-vSphere workloads, or the array is performing system tasks such as
replication.
Solution
There is no solution. vCenter Server does not reduce the total amount of I/O sent to the array, but continues
to enforce shares.
Unable to View Performance Charts for Datastore
Performance charts for a datastore do not appear on the Performance tab.
Problem
You are unable to view performance charts for a datastore on the Performance tab in the
vSphere Web Client.
Cause
Storage I/O Control is disabled for the datastore.
Solution
1 Browse to the datastore in the vSphere Web Client object navigator.
2 Right-click the datastore and select Configure Storage I/O Control.
3 Select the Enable Storage I/O Control check box.
4 Click OK.
Cannot Enable Storage I/O Control on Datastore
Storage I/O Control is disabled on a datastore and cannot be enabled.
Problem
You cannot enable Storage I/O Control on a datastore.
Cause
The following reasons might prevent you from enabling Storage I/O Control on a datastore.
n
At least one host that is connected to the datastore is not running ESX/ESXi 4.1 or later.
n
You do not have the appropriate license to enable Storage I/O Control.
Solution
n
Verify that the hosts connected to the datastore are ESX/ESXi 4.1 or later.
n
Verify that you have the appropriate license to enable Storage I/O Control.
Chapter 6 Troubleshooting Resource Management
VMware, Inc. 57