Today we are announcing the general availability of on demand capacity reservations for Azure Virtual Machines. This new feature allows you to deploy and manage the compute capacity required to run Azure VMs separately from the VMs themselves.
On-demand capacity reservations create new options for you to better manage your compute capacity needs. During our discussions with Azure customers, they often identify the following scenarios:
On demand capacity reservations come with a capacity SLA. Unused reserved capacity and Virtual Machines using reserved capacity are both eligible for Azure Reserved Virtual Machine Instance term discounts. However, Reserved VM Instances and on-demand capacity reservations are very different and offer two separate sets of benefits captured in the table below:
Additional Azure services are integrating with on-demand capacity reservations. The Azure Site Recovery service has public preview support for attaching reserved capacity for DR purposes.
The number of Azure Virtual Machines series and sizes supported has increased since the start of the public preview.
Specifically, the following Azure Virtual Machines series are now supported:
Microsoft is finalizing support for additional Azure Virtual Machines series. At this time, we expect previews in Q2/Q3 2022, followed by general availability, for the following VM series:
Azure also offers VM series using InfiniBand networking: ND, HB, and HC VM series. These series will be supported in the future.
The VM deployment methods supported with on demand capacity reservations during public preview are now supported with general availability: single VMs and Virtual Machine Scale Sets using uniform orchestration mode. Starting today, on-demand capacity reservations for Virtual Machine Scale Sets flexible orchestration mode is in public preview. Please read the documentation to learn more.
Additional Azure services will provide on-demand capacity reservations. For example, Azure Site Recovery has enabled use of reserved capacity for disaster recovery. The Azure Kubernetes Service (AKS) has also released preview support to associate node pools with reserved capacity.
There are two demonstration videos currently available:
Additionally, you can read the on demand capacity reservation documentation that includes sample code.
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