![]() ![]() ![]() High disk throughput and IO ideal for Big Data, SQL, NoSQL databases, data warehousing and large transactional databases. Great for relational database servers, medium to large caches, and in-memory analytics. Good for medium traffic web servers, network appliances, batch processes, and application servers.ĮSv3-series, Easv4-series, Edsv4-series, Esv4-series, Esv5-series, Edsv5-series, Easv5-series, Ebsv5 series, Ebdsv5 series, M-series, Mv2-series, Msv2/Mdsv2-series Ideal for testing and development, small to medium databases, and low to medium traffic web servers. VM TypeĭSv3-series, Ddsv4-series, Dsv4-series, Dasv4-series, Dsv5-series, Ddsv5-series, Dasv5-seriesīalanced CPU-to-memory ratio. The following table lists VM series which are compatible with ultra disks. Not every VM size is available in every supported region with ultra disks. South Africa North China North 3 France Central Qatar Central Switzerland NorthĪustralia East Canada Central North Europe, West Europe Japan East Southeast Asia Sweden Central UK South Central US, East US, East US 2, West US 2, West US 3 Redundancy optionsĪustralia Central Brazil South Central India East Asia Germany West Central Korea Central Korea South North Central US, South Central US, West US US Gov Arizona, US Gov Texas, US Gov Virginia If a region in the following list lacks availability zones that support ultra disks, then a VM in that region must be deployed without infrastructure redundancy in order to attach an ultra disk. The following table outlines the regions ultra disks are available in, as well as their corresponding availability options. VMs using any other redundancy options cannot attach an ultra disk. The only infrastructure redundancy options currently available to ultra disks are availability zones. For older versions of Oracle DB, 512 byte sector size is required. Oracle Database, for example, requires release 12.2 or later in order to support 4k native disks. While most applications are compatible with 4k sector sizes, some require 512 byte sector sizes. A 512E sector size is available as a generally available offering with no sign-up required. Ultra disks support a 4k physical sector size by default. Azure Backup support for VMs with Ultra Disks is currently in public preview. ![]() See Incremental snapshots of Premium SSD v2 and Ultra Disks for details. Snapshots for ultra disks are available but have additional limitations. In addition, only un-cached reads and un-cached writes are supported. The size of an Ultra Disk can't be expanded without either deallocating the VM or detaching the disk.Azure Site Recovery doesn't support ultra disks. Ultra disks also can't be used with some features and functionality, including disk export, changing disk type, trusted launch, VM images, availability sets, or Azure disk encryption. Ultra disks can't be used as OS disks, they can only be created as empty data disks. Ultra disks are suited for data-intensive workloads such as SAP HANA, top tier databases, and transaction-heavy workloads. ![]() One major benefit of ultra disks is the ability to dynamically change the performance of the SSD along with your workloads without the need to restart your VMs. This new offering provides top of the line performance at the same availability levels as our existing disks offerings. This article explains how to deploy and use an ultra disk, for conceptual information about ultra disks, refer to What disk types are available in Azure?.Īzure ultra disks offer high throughput, high IOPS, and consistent low latency disk storage for Azure IaaS virtual machines (VMs). Applies to: ✔️ Linux VMs ✔️ Windows VMs ✔️ Flexible scale sets ✔️ Uniform scale sets ![]()
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