Volume type extra specs are used for advanced configuration of Cinder volumes. VMware Integrated OpenStack exposes additional capabilities through volume type extra specs.

Table 1. Volume Type Extra Specs in VMware Integrated OpenStack

Extra Spec

Description

vmware:vmdk_type

Specify the provisioning format of Cinder volumes in vSphere. You can specify the following formats

  • Thin provision: thin

  • Thick provision lazy zeroed: thick

  • Thick provision eager zeroed: eagerZeroedThick

vmware:clone_type

Specify the clone type. You can specify the following types:

  • Full clone: full

  • Linked clone: linked

vmware:storage_profile

Specify the Storage Policy-Based Management (SPBM) policy used for new volumes.

vmware:adapter_type

Specify the adapter type used to attach the volume. You can specify the following types:

  • IDE: ide

  • LSI Logic: lsiLogic

  • LSI Logic SAS: lsiLogicsas

  • BusLogic Parallel: busLogic

  • VMware Paravirtual SCSI: paraVirtual