As we speak, we’re excited to introduce on the spot entry assist for incremental snapshots of Premium SSD v2 (Pv2) and Extremely Disk, delivering an industry-leading snapshot expertise the place creation, disk restore, and production-ready efficiency all occur immediately.
As we speak, we’re excited to introduce on the spot entry assist for incremental snapshots of Premium SSD v2 (Pv2) and Extremely Disk, delivering an industry-leading snapshot expertise the place creation, disk restore, and production-ready efficiency all occur immediately.
On the spot entry snapshots of Pv2 and Extremely Disk are usable instantly upon creation, permitting you to revive new disks with out ready for snapshots to be prepared. Newly restored disks additionally ship near-full efficiency from the beginning, permitting functions to renew operations instantly.
For mission-critical workloads, pace issues—particularly when each minute of downtime or degraded efficiency has actual enterprise affect. Whether or not you’re rolling out essential software updates, recovering sudden points, scaling stateful workloads, or refreshing environments for growth and testing, snapshots play a central position in preserving your online business transferring ahead.
Commonplace incremental snapshots have lengthy supplied a cheap methodology to guard information and create point-in-time disk copies for these workflows. Nevertheless, this got here with tradeoffs: after snapshot creation, information should be totally copied earlier than snapshots can be utilized to revive disks, and disks should totally hydrate to achieve full efficiency.
With on the spot entry snapshots, that wait is gone.
As quickly as snapshots are created, you may restore new disks from them with near-full efficiency from the beginning. This implies sooner restoration, sooner scaling, and sooner iteration—redefining what prospects ought to anticipate from snapshot operations in cloud.
On the spot entry snapshot in motion
When creating incremental snapshots of Pv2 and Extremely Disk, you may decide in to allow on the spot entry utilizing the present snapshot API. As soon as enabled, snapshots enter the On the spot Entry state at creation and can be utilized to create new disks straight away with quick restore efficiency.
On the spot entry snapshots include the next advantages:
- On the spot availability: On the spot entry snapshots can be found to revive new disks instantly upon creation, eliminating the wait time for background information copy to snapshot in Commonplace storage.
- Quick restore: Disks restored from on the spot entry snapshots hydrate quickly and ship near-full efficiency with single-digit millisecond learn latencies and sub-millisecond write latencies from the beginning.
- Incremental storage: On the spot entry snapshots retailer solely the incremental modifications made to the supply disk after snapshot creation, avoiding the necessity for a full base snapshot to maintain your storage prices low.
- Cross-zonal restore: Like incremental snapshots in Commonplace storage, on the spot entry snapshots assist restoring disks into a distinct availability zone throughout the identical area, offering flexibility for deployment and restoration.
These advantages make on the spot entry snapshots finest fitted to time-sensitive eventualities the place instant availability and efficiency are important.
Widespread use circumstances embody:
- Quick rollback: Earlier than deploying main software program upgrades, you should utilize on the spot entry snapshots to create a direct restoration level. If points happen comparable to unintended deletes, you may restore disks from snapshots to rapidly rollback modifications, keep enterprise continuity, and decrease downtime.
- Uninterrupted upkeep: On the spot entry snapshots allow you to start upkeep instantly after snapshot creation—with out ready for them to grow to be prepared. This reduces software downtime and retains massive programs inside tight upkeep home windows.
- Fast scale-out: You may scale stateful functions by leveraging on the spot entry snapshots to create a number of disk copies of your major occasion in seconds, comparable to including secondary SQL Server replicas. You can even create copies throughout availability zones throughout the identical area rapidly to attain excessive availability and resiliency.
- Refresh secondary environments: On the spot entry snapshots allow you to copy manufacturing disks and spin up secondary environments for growth and testing in seconds. This ensures your check setting is at all times in sync with manufacturing and delivers excessive efficiency straight away.
Right here’s what on the spot entry snapshots seems like in observe
For Azure Database Providers comparable to PostgreSQL, on the spot entry snapshots are a core constructing block for backup, restoration, and scaling. Contemplate a SaaS supplier working PostgreSQL for a customer-facing software. Throughout peak enterprise hours, learn visitors spikes requiring fast scale-out of learn capability. With on the spot entry snapshots, the Azure Database Service can create snapshots from the present occasion and rapidly create new disks and cases with zero wait time. This permits new learn replicas to be introduced on-line a lot sooner than conventional snapshot workflows, instantly serving learn visitors with low latency and permitting the appliance to soak up visitors surges on demand.
The shopper perspective under demonstrates how on the spot entry snapshots rework their day-to-day operations:
For Windfall, on the spot entry snapshots have reworked how we refresh our Epic coaching and assist environments. As a substitute of ready on lengthy background copy processes for snapshot creation and disk hydration, our groups can create totally usable disks instantly for the day’s coaching and assist workflows. The flexibility to refresh downstream environments rapidly has been a large increase to our operational effectivity and has considerably improved the expertise for our finish customers.
— Chris Calas, Senior Principal Service Engineer, Windfall
At Microsoft Ignite 2025, on the spot entry assist for incremental snapshots is highlighted as a key innovation by Azure Storage product leaders, underscoring Azure’s give attention to mission-critical workloads.
How on the spot entry snapshots enhance disk restore efficiency
Commonplace incremental snapshots for Pv2 and Extremely Disk are designed to optimize price effectivity and sturdiness by storing point-in-time information in Commonplace Zone-Redundant Storage (ZRS). This method supplies robust resilience and is properly fitted to long-term backups and safety towards zonal disasters. As soon as snapshot information has been totally copied into Commonplace ZRS, it turns into accessible for restoring new disks. A disk restored from a Commonplace storage snapshot can be utilized instantly, however till the background information copy to the disk completes, reads are served from Commonplace storage, leading to slower efficiency and an extended copy time.
Incremental snapshots with on the spot entry enabled take a distinct method to optimize on the spot availability and restore efficiency. With on the spot entry snapshots, point-in-time information captured stays in the identical high-performance storage location because the supply disks for the length specified. Consequently, snapshots can be found to revive new disks instantly upon creation, with out ready for snapshot background information copy to be accomplished. Newly restored disks from on the spot entry snapshots profit from excessive hydration bandwidth and low latency from the beginning, as information is served immediately from on the spot entry snapshots.
When snapshots are created with on the spot entry enabled, the system begins copying the information to Commonplace storage in parallel. This ensures that when the moment entry length expires, a totally hardened Commonplace ZRS snapshot is routinely accessible, with out requiring any further motion.
This structure permits sooner restoration, faster setting refreshes, and extra predictable efficiency for time-sensitive operations.

How you can create on the spot entry snapshots
On the spot entry snapshots are usually not a separate snapshot useful resource class to handle. They’re incremental snapshots that quickly enter On the spot Entry state for the desired length. When this length expires, snapshots routinely transition out of the On the spot Entry state and proceed as Commonplace ZRS snapshots for higher reliability and long-term retention.
If you’re already aware of creating incremental snapshots with current Azure Snapshot API, enabling on the spot entry assist will really feel utterly pure. The identical instructions and API endpoints apply; the one distinction is a single further parameter that defines how lengthy the snapshots stay within the On the spot Entry state. The Azure CLI instance under illustrates methods to allow on the spot entry when creating incremental snapshots.
Right here’s the way you create incremental snapshots utilizing Azure CLI right now:
< az snapshot create –resource-group
To allow on the spot entry, merely embody the InstantAccessDurationMins parameter:
< az snapshot create –resource-group
The technical demo video under demonstrates methods to create on the spot entry snapshots and restore disks in Azure Portal. Additionally, you will learn to simply combine this functionality into your current snapshot workflow.
Availability and pricing
On the spot entry assist for incremental snapshots of Premium SSD v2 and Extremely Disk is out there in all Azure areas the place these disk varieties are supported, guaranteeing the aptitude is out there wherever supported mission-critical workloads run.
On the spot entry assist makes use of a easy, usage-based billing mannequin that prices just for the extra storage capability consumed and for every restore operation. This method retains prices carefully aligned along with your precise utilization, making cloud spend simpler to know and forecast. For full pricing particulars, see Managed Disk Pricing.
Getting began
As organizations proceed to run more and more time-sensitive mission essential workloads in Azure, on the spot entry assist for incremental snapshots of Premium SSD v2 and Extremely Disk supplies a sensible approach to enhance restoration time, streamline operations, and scale with confidence.