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. The storage account provides a unique namespace for our Azure Storage data that is accessible from anywhere in the world over HTTP or HTTPS. If the Total Storage Transactions in a given one-hour interval is zero, the error rate for that interval is 0%. Windows Azure Compute (to run the VM’s), and Windows Azure Storage (to persist the state of those VM’s). 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. Storage tiers in Azure Blob storage give users the ability to optimize data into cold and hot storage repositories. "Locally Redundant Storage (LRS) Account" is a storage account for which data is replicated synchronously only within a Primary Region. Transaction requests that are throttled by the Storage Service due to a failure to obey appropriate back-off principles. This Service Level Agreement for Microsoft Online Services (this “SLA”) is a part of your Microsoft volume licensing agreement (the “Agreement”). "Block Blob Storage Account" is a storage account specialized for storing data as block or append blobs on solid-state drives. 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. "Service Credit" is the percentage of the monthly service fees for the affected Service or Service Resource that is credited to Customer for a validated Claim. The calculation is like this: 99.99% * 99.99% > 99.99% * 99.99% * 99.99%. "Virtual Network Gateway" refers to a gateway that facilitates cross-premises connectivity between a Virtual Network and a customer on-premises network. 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. In order for 21Vianet to consider a Claim, Customer must submit the Claim to Customer Support within two months of the end of the billing month in which the Incident that is the subject of the Claim occurs. Yesterday Microsoft published an update to the SLA for virtual machines running on Azure. Release notes: Updated SLA to reflect guarantees for Azure File Storage. Actual and average times are expected to be much lower. Ten (10) seconds (to complete processing or return a continuation). “Primary Region” is a geographical region in which data within a storage account is located, as selected by you when creating the storage account. Two (2) seconds multiplied by the number of MBs transferred in the course of processing the request. The Service Credit will be based on the estimated retail price for the applicable Service, as determined by us in our reasonable discretion. These facilities may be within the same geographical region or across two geographical regions. Data stored in a block blob storage account (Premium performance) cannot currently be tiered to hot, cool, or archive using Set Blob Tier or using Azure Blob Storage lifecycle management. Azure Storage always stores multiple copies of your data so that it is protected from planned and unplanned events, including transient hardware failures, network or power outages, and massive natural disasters. "Management Portal" means the web interface, provided by Microsoft, through which customers may manage the Service. If we determine that a Service Credit is owed to you, we will apply the Service Credit to your Applicable Monthly Service Fees. "Secondary Region" is a geographical region in which data within a GRS or RA-GRS Account is replicated and stored, as assigned by Microsoft Azure based on the Primary Region associated with the storage account. If data on a temporary disk is lost, you will not be protected by the SLA. Release notes: Updated “Cool Access Tier” and added “Hot Access Tier” definitions. 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. "21Vianet" means the 21Vianet entity that appears on Customer's Agreement. Transaction requests having timeouts set lower than the respective Maximum Processing Times specified above. We will evaluate all information reasonably available to us and make a good faith determination of whether a Service Credit is owed. Only Premium Storage capable VMs support attaching Premium Storage to them. Failed Storage Transactions do not include: "Geo Replication Lag" for GRS and RA-GRS Accounts is the time it takes for data stored in the Primary Region of the storage account to replicate to the Secondary Region of the storage account. "Service” or “Services" refers to a Azure service provided to Customer pursuant to the Agreement for which an SLA is provided below. 1.3 Last updated: December 2017 "Preview" refers to a preview, beta, or other pre-release version of a service or software offered to obtain customer feedback. Some of the features offered by Azure Cosmos DB are: Fully managed with 99.99% Availability SLA; Elastically and highly scalable (both throughput and storage) This Service Level Agreement for Azure (this “SLA”) is made by 21Vianet in connection with, and is a part of, the agreement under which Customer has purchased Azure Services from 21Vianet (the “Agreement”). 1.4 Last updated: March 2019 This Service Level Agreement for Azure (this “SLA”) is made by 21Vianet in connection with, and is a part of, the agreement under which Customer has purchased Azure Services from 21Vianet (the “Agreement”). Microsoft does commit to a 99.9% SLA for read and writes operations for data stored in LRS datastores. If you purchased a Service from a reseller, you will receive a service credit directly from your reseller and the reseller will receive a Service Credit directly from us. We guarantee that at least 99.9% (99% for Cool Access Tier) of the time, we will successfully process requests to write data to Locally Redundant Storage (LRS) and Geo Redundant Storage (GRS) Accounts and Read Access-Geo Redundant Storage (RA-GRS) Accounts. Standard terms applicable to all Service Levels outlined herein: a. Definitions i. For these Services, any Service Credit that you may be eligible for will be credited in the form of service time (i.e., days) as opposed to service fees, and any references to “Applicable Monthly Service Fees” is deleted and replaced by “Applicable Monthly Period.”. “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. Transaction requests having timeouts set lower than the respective Maximum Processing Times specified above. Azure denotes Premium Storage capable VMs by putting an “s” in their name. Once your data is stored in Azure storage, you can access that data any time and from anywhere. We provide financial backing to our commitment to achieve and maintain Service Levels for our Services. Azure SLA Board. You can query the Geo Replication Lag for a storage account, but Microsoft does not provide any guarantees as to the length of any Geo Replication Lag under this SLA. You may execute write requests only against data stored within the Primary Region associated with storage accounts. "Excluded Transactions" are storage transactions that do not count toward either Total Storage Transactions or Failed Storage Transactions. 1.1 Last updated: April 2016 Blob Storage Durability. Actual and average times are expected to be much lower. 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. Azure File Storage. All other Blob and Message Operations. Azure File Storage is meant for legacy applications. Locally redundant storage (LRS) 2. 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