SIOC is used to throttle the VMkernel device queue depth of a LUN, based on the shares set on the virtual machine disks contending for I/O bandwidth. SIOC can only be enabled on datastores (FC/ISCSI/NFS) and not on RDMs. It cannot be enabled on datastores with multiple extents. In this recipe, you will learn how to enable SIOC on a datastore.
SIOC has to be enabled on each datastore. The following procedure explains how to achieve the same:
Connect to the vCenter Server using vSphere Web Client.
Use the keyboard shortcut Ctrl + Alt + 5 to bring up the storage tree in the vCenter Inventory.
Select a datastore from the inventory, navigate to Manage | Settings, and edit the datastore capabilities:
In the Configure Storage I/O Control window, select the Enable Storage I/O Control checkbox. Unless you want to modify the Congestion Threshold criteria and its value, you can leave the Percentage of peak...