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VMware vSphere 5.5 Cookbook by Abhilash G B

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Enabling Storage I/O Control

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.

Getting ready

Enterprise Plus Licensing is required for SIOC.

How to do it…

SIOC has to be enabled on each datastore. The following procedure explains how to achieve the same:

  1. Connect to the vCenter Server using vSphere Web Client.
  2. Use the keyboard shortcut Ctrl + Alt + 5 to bring up the storage tree in the vCenter Inventory.
  3. Select a datastore from the inventory, navigate to Manage ...

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