vCAC Configuration – Reservation

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This blogpost is the fourth in the vCAC configuration series.

Before a user can request a machine there need to be available resources, this resources are created with the Fabric groups. Within this fabric you can create a reservation.

A fabric administrator creates a reservation to allocate provisioning resources in the fabric group to a specific business group.

A virtual reservation allocates a share of the memory, CPU and storage resources on a particular compute resource for a business group to use.

A physical reservation is a set of physical machines reserved for a business group to use. Unprovisioned physical machines must be added to a physical reservation before being provisioned or imported, and cannot be removed until they are decommissioned and become unprovisioned.

A cloud reservation provides access to the provisioning services of a cloud service account, for Amazon AWS, or to a virtual datacenter, for vCloud Director, for a business group to use.

A business group can have multiple reservations on the same compute resource or different compute resources, or any number of physical reservations containing any number of physical machines.

A compute resource can also have multiple reservations for multiple business groups. In the case of virtual reservations, you can reserve more resources across several reservations than are physically present on the compute resource. For example, if a storage path has 100GB of storage available, a fabric administrator can create one reservation for 50GB of storage and another reservation using the same path for 60GB of storage. You can provision machines by using either reservation as long as sufficient resources are available on the storage host.

You can reserve physical machines only for a single business group. Because physical machines do not belong to fabric groups, all fabric administrators can manage all physical machines and reserve them for a particular business group.

Reservation

  • A reservation can only contain one policy.
  • A policy can be used on multiple reservations
  • Only one policy can be added to a blueprint

Go back to the configuration steps overview.

About the author

Dennis Hoegen Dijkhof

Dennis works for ITQ and works with VMware products since 2005. With his 15 years of experience in IT he can really add value to customers. Dennis his passion is to innovate big datacenters by using the latest technologies. Due to his passion he developed into a true expert on virtualization with VMware technologies. To share his passion and knowledge Dennis is active within the VMware community and is a member of the Netherlands VMUG leadership team (NLVMUG).

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About the author

Dennis Hoegen Dijkhof
Dennis works for ITQ and works with VMware products since 2005. With his 15 years of experience in IT he can really add value to customers. Dennis his passion is to innovate big datacenters by using the latest technologies. Due to his passion he developed into a true expert on virtualization with VMware technologies. To share his passion and knowledge Dennis is active within the VMware community and is a member of the Netherlands VMUG leadership team (NLVMUG).