"Cool Access Tier" is an attribute of a Blob Storage Account indicating that the data in the account is infrequently accessed and has a lower availability service level than data in other access tiers. You may execute write requests only against data stored within the Primary Region associated with storage accounts. It provides the following four abstractions (services)- Blob storage, Table storage, Queue storage, and File storage. Azure Archive storage is a natural extension to Azure Storage tiering, which includes hot, cold and archive tiers and does not require a separate storage … Ninety (90) seconds (where the source and destination blobs are within the same storage account). Azure Cosmos DB can be classified as a tool in the "NoSQL Database as a Service" category, while Azure Storage is grouped under "Cloud Storage". Service Credits apply only to fees paid for the particular Service, Service Resource, or Service tier for which a Service Level has not been met. For claims related to all other Services, we must receive the claim by the end of the calendar month following the month in which the Incident occurred. "Error Code" means an indication that an operation has failed, such as an HTTP status code in the 5xx range. Get Valid Page Blob Ranges, Two (2) seconds multiplied by the number of MBs transferred in the course of processing the request, Ninety (90) seconds (where the source and destination blobs are within the same storage account), Ninety (90) seconds (where the source and destination files are within the same storage account), PutBlockList Release notes: Updated SLA for the newly introduced Block Blob Storage Accounts. "Service Level" means the performance metric(s) set forth in this SLA that Microsoft agrees to meet in the delivery of the Services. We will use commercially reasonable efforts to process claims during the subsequent month and within forty-five (45) days of receipt. "External Connectivity" is bi-directional network traffic over supported protocols such as HTTP and HTTPS that can be sent and received from a public IP address. Access Visual Studio, Azure credits, Azure DevOps, and many other resources for creating, deploying, and managing applications. This Service Level Agreement for Microsoft Online Services (this “SLA”) is a part of your Microsoft volume licensing agreement (the “Agreement”). 1.4 Last updated: March 2019 Before we go deeper into the storage redundancy space it'd be helpful to better understand the building blocks of Azure global infrastructure as well as a few terms commonly used in high availability and disaster recovery in general. Geo-redundant storage (GRS) 4. One concern of using another kind of storage provider (table storage in this case) is the impact on our overall service stability. "Excluded Transactions" are storage transactions that do not count toward either Total Storage Transactions or Failed Storage Transactions. Once your data is stored in Azure storage, you can access that data any time and from anywhere. Release notes: Addition of files in storage accounts to the list of features covered by uptime guarantee. In cases where Service Levels apply to individual Service Resources or to separate Service tiers, Service Credits apply only to fees paid for the affected Service Resource or Service tier, as applicable. SLA for Managed Disks | Microsoft Azure Failed Storage Transactions do not include: Transaction requests that are throttled by the Storage Service due to a failure to obey appropriate back-off principles. AVG: 99.925% MED: 99.9%. "Excluded Transactions" are storage transactions that do not count toward either Total Storage Transactions or Failed Storage Transactions. If you purchased more than one Service (not as a suite), then you may submit claims pursuant to the process described above as if each Service were covered by an individual SLA. Only Premium Storage capable VMs support attaching Premium Storage to them. “Read Access Geographically Redundant Storage (RA-GRS) Account” is a storage account for which data is replicated synchronously within a Primary Region and then replicated asynchronously to a Secondary Region. "External Connectivity" is bi-directional network traffic over supported protocols such as HTTP and HTTPS that can be sent and received from a public IP address. "Management Portal" means the web interface, provided by Microsoft, through which customers may manage the Service. Release notes: Updated “Cool Access Tier” and added “Hot Access Tier” definitions. “Monthly Uptime Percentage” Monthly Uptime Percentage is calculated using the following formula: Service Credit – hot blobs in LRS, GRS and RA-GRS (write requests) Accounts, and blobs in LRS Block Blob Storage Accounts: Service Credit – Hot Blobs in RA-GRS (read requests) Accounts: Service Credit – Cool Blobs in LRS, GRS, RA-GRS (write requests) Accounts: Service Credit – Cool Blobs in RA-GRS (read requests) Accounts: Release notes: Updated SLA for the newly introduced Block Blob Storage Accounts. As you probably know, Azure didn’t provide an SLA for single instance virtual machines: the 99.95% uptime guarantee was only available for at VMs that are part of a availability set or scale set. Capitalized terms used but not defined in this SLA will have the meaning assigned to them in the Agreement. Unless as otherwise provided in a specific SLA, only one Service Credit is permitted per Service for an Applicable Monthly Period. 1.1 Last updated: April 2016 We will provide at least 90 days' notice for adverse material changes to this SLA. In the event that more than one Service Level for a particular Service is not met because of the same Incident, Customer must choose only one Service Level under which a Claim may be made based on the Incident. AI Azure VMs and services share their data via mounted file shares, while on-premise applications access the files using the File Service REST API. "Incident" means (i) any single event, or (ii) any set of events, that result in Downtime. "Hot Access Tier" is an attribute of a blob or account indicating it is frequently accessed. "Claim" means a claim submitted by Customer to 21Vianet pursuant to this SLA that a Service Level has not been met and that a Service Credit may be due to Customer. 1.2 Last updated: April 2017 Explore some of the most popular Azure products, Provision Windows and Linux virtual machines in seconds, The best virtual desktop experience, delivered on Azure, Managed, always up-to-date SQL instance in the cloud, Quickly create powerful cloud apps for web and mobile, Fast NoSQL database with open APIs for any scale, The complete LiveOps back-end platform for building and operating live games, Simplify the deployment, management, and operations of Kubernetes, Add smart API capabilities to enable contextual interactions, Create the next generation of applications using artificial intelligence capabilities for any developer and any scenario, Intelligent, serverless bot service that scales on demand, Build, train, and deploy models from the cloud to the edge, Fast, easy, and collaborative Apache Spark-based analytics platform, AI-powered cloud search service for mobile and web app development, Gather, store, process, analyze, and visualize data of any variety, volume, or velocity, Limitless analytics service with unmatched time to insight, Maximize business value with unified data governance, Hybrid data integration at enterprise scale, made easy, Provision cloud Hadoop, Spark, R Server, HBase, and Storm clusters, Real-time analytics on fast moving streams of data from applications and devices, Enterprise-grade analytics engine as a service, Massively scalable, secure data lake functionality built on Azure Blob Storage, Build and manage blockchain based applications with a suite of integrated tools, Build, govern, and expand consortium blockchain networks, Easily prototype blockchain apps in the cloud, Automate the access and use of data across clouds without writing code, Access cloud compute capacity and scale on demand—and only pay for the resources you use, Manage and scale up to thousands of Linux and Windows virtual machines, A fully managed Spring Cloud service, jointly built and operated with VMware, A dedicated physical server to host your Azure VMs for Windows and Linux, Cloud-scale job scheduling and compute management, Host enterprise SQL Server apps in the cloud, Develop and manage your containerized applications faster with integrated tools, Easily run containers on Azure without managing servers, Develop microservices and orchestrate containers on Windows or Linux, Store and manage container images across all types of Azure deployments, Easily deploy and run containerized web apps that scale with your business, Fully managed OpenShift service, jointly operated with Red Hat, Support rapid growth and innovate faster with secure, enterprise-grade, and fully managed database services, Fully managed, intelligent, and scalable PostgreSQL, Accelerate applications with high-throughput, low-latency data caching, Simplify on-premises database migration to the cloud, Deliver innovation faster with simple, reliable tools for continuous delivery, Services for teams to share code, track work, and ship software, Continuously build, test, and deploy to any platform and cloud, Plan, track, and discuss work across your teams, Get unlimited, cloud-hosted private Git repos for your project, Create, host, and share packages with your team, Test and ship with confidence with a manual and exploratory testing toolkit, Quickly create environments using reusable templates and artifacts, Use your favorite DevOps tools with Azure, Full observability into your applications, infrastructure, and network, Build, manage, and continuously deliver cloud applications—using any platform or language, The powerful and flexible environment for developing applications in the cloud, A powerful, lightweight code editor for cloud development, Cloud-powered development environments accessible from anywhere, World’s leading developer platform, seamlessly integrated with Azure. All other Blob and Message Operations. Azure File Storage. "Failed Storage Transactions" is the set of all storage transactions within Total Storage Transactions that are not completed within the Maximum Processing Time associated with their respective transaction type, as specified in the table below. You simply need to specify whether you need premium or standard storage, and Azure will then create managed disks. “Total Storage Transactions” is the set of all storage transactions, other than Excluded Transactions, attempted within a one-hour interval across all storage accounts in the Storage Service in a given subscription. Azure SQL Database is the fully managed cloud equivalent of the on-premises SQL Server product that has been around for decades, and Azure SQL database has been around since the beginning of Azure. These terms will be fixed for … Get Azure innovation everywhere—bring the agility and innovation of cloud computing to your on-premises workloads. 21Vianet will use all information reasonably available to it to validate the Claim and to determine whether any Service Credits are due. Release notes: Updated SLA for the newly introduced Blob Storage Accounts with the Cool Access Tier. These terms will be fixed for term of your Agreement. - Moving to Cloud services will require you to understand Service Level Agreements. Service Credits apply only to fees paid for the particular Service, Service Resource, or Service tier for which a Service Level has not been met. "Average Error Rate" for a billing month is the sum of Error Rates for each hour in the billing month divided by the total number of hours in the billing month. Azure Data Lake Storage Massively scalable, secure data lake functionality built on Azure Blob Storage; Azure Data Lake Storage Gen1 Hyperscale repository for big data analytics workloads; Blockchain Blockchain. To move data, you must synchronously copy blobs from the block blob storage account to the hot access tier in a different account using the Put Block From URL API or a version of AzCopy that supports this API. Installation Options. "Support Window" refers to the period of time during which a Service feature or compatibility with a separate product or service is supported. An SLA, or Service Level Agreement, contains performance details of an Azure service. You must be in compliance with the Agreement in order to be eligible for a Service Credit. "Cool Access Tier" is an attribute of a blob or account indicating it is infrequently accessed and has a lower availability service level than blobs in Hot Access Tier. The Service Credit will be based on the estimated retail price for the applicable Service, as determined by us in our reasonable discretion. Ten (10) seconds (to complete processing or return a continuation). Install Module Azure Automation Manual Download Copy and Paste the following command to install this package using … Automatically rebuilt from Published SLA daily. Because GRS and RA-GRS Accounts are replicated asynchronously to the Secondary Region, data written to the Primary Region of the storage account will not be immediately available in the Secondary Region. Release notes: Updated SLA to reflect guarantees for Azure File Storage. For example, the D2s_v3 is a Premium Storage capable VM, while the D2_v3 is not capable of supporting Premium Storage Disks. ClaimsIn order for Microsoft to consider a claim, you must submit the claim to customer support at Microsoft Corporation including all information necessary for Microsoft to validate the claim, including but not limited to: (i) a detailed description of the Incident; (ii) information regarding the time and duration of the Downtime; (iii) the number and location(s) of affected users (if applicable); and (iv) descriptions of your attempts to resolve the Incident at the time of occurrence. These facilities may be within the same geographical region or across two geographical regions. Azure File Storage is meant for legacy applications. If you purchased Services as part of a suite or other single offer, the Applicable Monthly Service Fees and Service Credit for each Service will be pro-rated. You may not unilaterally offset your Applicable Monthly Service Fees for any performance or availability issues. Azure File Storage offers file shares in the cloud using the standard SMB protocol and supports both SMB 3.0 and SMB 2.1. "Error Code" means an indication that an operation has failed, such as an HTTP status code in the 5xx range. Maximum Processing Time includes only the time spent processing a transaction request within the Storage Service and does not include any time spent transferring the request to or from the Storage Service. “Claim” means a claim submitted by Customer to Microsoft pursuant to this SLA that a Service Level has not been met and that a … Customer must provide to Customer Support all information necessary for 21Vianet to validate the Claim, including but not limited to detailed descriptions of the Incident, the time and duration of the Incident, the affected resources or operations, and any attempts made by Customer to resolve the Incident. This SLA applies to the Microsoft Online Services listed herein (a “Service” or the “Services”), but does not apply to separately branded services made available with or connected to the Services or to any on-premises software that is part of any Service. Read transactions requests to RA-GRS Accounts for which you did not attempt to execute the request against Secondary Region associated with the storage account if the request to the Primary Region was not successful. ZRS (Zone redundant storage) "Management Portal" means the web interface, provided by 21Vianet, through which customers may manage the Service. The SLA for individual Azure services are listed below. Attributable to acts by persons gaining unauthorized access to 21Vianet’s Service by means of Customer's passwords or equipment or otherwise resulting from Customer's failure to follow appropriate security practices. "Block Blob Storage Account" is a storage account specialized for storing data as block or append blobs on solid-state drives. This agreement describes the commitment about uptime and connectivity of Microsoft Azure operated by 21vianet. You can query the Geo Replication Lag for a storage account, but 21Vianet does not provide any guarantees as to the length of any Geo Replication Lag under this SLA. See Azure Architecture Center for reliable design best practices. Service CreditsService Credits are your sole and exclusive remedy for any performance or availability issues for any Service under the Agreement and this SLA. PutBlob and GetBlob (includes blocks and pages) But my impression is that the 99.99% SLA provided by Azure storage actually covers ALL three types of storage (table, queue and blob) already. The Service Credits awarded in any billing month for a particular Service or Service Resource will not, under any circumstance, exceed your monthly service fees for that Service or Service Resource, as applicable, in the billing month. "Primary Region" is a geographical region in which data within a storage account is located, as selected by you when creating the storage account. If we do not achieve and maintain the Service Levels for each Service as described in this SLA, then you may be eligible for a credit towards a portion of your monthly service fees. "Customer Support" means the services by which 21Vianet may provide assistance to Customer to resolve issues with the Services. The calculation is like this: 99.99% * 99.99% > 99.99% * 99.99% * 99.99%. 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