Applies to: SQL ServerThis article introduces the Always On availability groups concepts that are central for configuring and managing one or more availability groups in the Enterprise edition of SQL Server. For the Standard edition, review Basic Always On availability groups for a single database....
Deploying Always On availability groups for HA on Windows requires a Windows Server Failover Cluster (WSFC). Each availability replica of a given availability group must reside on a different node of the same WSFC. The only exception is that while being migrated to ...
Distributed transactions require SQL Server 2016 (13.x) SP2 and Windows Server 2012 R2 or later, with some patching requirements. For more information, see Cross-Database Transactions and Distributed Transactions for Always On Availability Groups and Database Mirroring (SQL...
the server instance might be running under a nondomain account. To use the listed endpoint, change the corresponding SQL Server service account to a domain account. To continue using the nondomain account, alter the endpoint to use a certificate. Do you want to use the listed endpoints?
必须在每个 Always On 可用性组 实例上启用 SQL Server功能。 如果未启用 Always On 可用性组功能,尝试在 SQL Server 上创建可用性组时会收到此错误消息。 The Always On Availability Groups feature must be enabled for server instance 'SQL1VM' before you can c...
下面简单介绍一下如何在Red Hat Enterprise Linux上一步一步创建一个SQL Server AG(Always On Availability Group),以及配置过程中遇到的坑的填充方法。 之前发表过一篇类似的文章是Configure Always On Availability Group for SQL Server on Ubuntu——Ubuntu上配置SQL Server Always On Availability Group,有对Ubuntu...
Windows Server AD域 DNS基础设施 DHCP(如需) Windows Server Failover Cluster(WSFC) WSFC上的节点 下面开始深入探讨AlwaysOn及实操。 为什么使用AlwaysOn可用组? 在过去,通常会使用SQL Server FCI来实现SQL Server的高可用,这个要么基于Microsoft Cluster Services(Windows 2003)或WSFC(Windows 2008/2012)作为基础。在...
Applies to: SQL Server This article describes how to create or configure a single availability group listener for an Always On availability group by using SQL Server Management Studio, Transact-SQL, or PowerShell in SQL Server. Important To create the first availability group listener of an availa...
What is SQL Server? Connect to the Database Engine What's new? Editions and features Release notes Business continuity Overview Backup & restore Always On availability groups Overview What is an Always On availability group? Availability modes ...
在创建可用性组时配置副本需要sysadmin固定服务器角色的成员资格,以及 CREATE AVAILABILITY GROUP 服务器权限、ALTER ANY AVAILABILITY GROUP 权限或 CONTROL SERVER 权限。 修改可用性副本对可用性组要求 ALTER AVAILABILITY GROUP 权限、CONTROL AVAILABILITY GROUP 权限、ALTER ANY AVAILABILITY GROUP 权限或 CONTROL SERVER ...