failover

Received a mail consultation today how to implement a virtual machine affinity policy in Windows Server 2012, a technical home familiar with VMware vsphere Solutions is sure to be familiar with a dynamic migration strategy called DRS, The VM

How to troubleshoot debug VIP problems: -----View statistics for node application resources: /u01/crs/bin/srvctl config nodeapps-n dbtest2-a-g-s-L VIP exists.:/dbtest2-vip/10.11.11.198/255.255.255.0/eri0 GSD exists. ONS Daemon exists. Listener

To be successful in e-business , you need a robust, fully WEB-supported database solution that meets the needs of today's rapidly changing Internet e-business environment. SQL Server 2000 provides all the necessary tools and functionality to quickly

Ado|oracle Oracle provides a number of tools to help you access Oracle databases from. NET Applications. by Lee Thé George Demarest More than One-third of Visual Studio magazine readers use Oracle databases, and many of the remaining people may

The SharePoint 2013 farm topology is used in a production environment with two-tier and three-tier topologies, see MSDN http://technet.microsoft.com/zh-cn/library/ee805948 (v=office.15). aspx Three-layer topology map You can add a Web server to

Because server A cannot see the witness server W or the original mirror partner server B, you must enter the disconnected state and make the database unavailable. Server B and Server w can compose quorum. Server B cannot see server A, so Server B

Clustering is a technology solution that combines hardware and software to provide a highly available and scalable architecture for services such as web, email, and database. This article analyzes the types of clusters and then focuses on how to

A failover cluster must meet certain requirements of the hardware, software, and network infrastructure, and it requires an administrative account with the appropriate domain permissions. Specifically as follows: (i) Hardware requirements for

In an article detailing the high availability of the CAS+HT role, today we are addressing the high availability of mailbox servers, and the DAG technology of Exchange Server2010 can meet this requirement. The full name of DAG is the database

Hurricane Katrina, Hurricane Rita, these devastating events (which are only the 27 names of 2005 and 2 of the 14 hurricanes) have sounded a wake-up call to the entire United States, and have also awakened a sobering understanding of how fragile

PIX 515E Product Essentials and application environment Cisco PIX 515E Firewall Application Environment Cisco PIX 515E is an enhanced version of the widely used Cisco PIX 515 Platform, which provides industry-leading state firewalls and IP Security (

SQL Server 2008 We can also experience a lot of new features, but for SQL Server 2008 installation, it's better to talk in a diagram. This article starts with the installation of SQL Server 2008. This one was supposed to play the first of the

In a network with Network Load Balancing (NLB) deployed, when a customer initiates a connection request against an NLB virtual address, NLB determines the NLB node for the customer service through some NLB algorithm, usually determined by the client

Before you create a SQL Server 2000 failover cluster, you must configure Microsoft Cluster Service (MSCS) and use the Cluster Administrator in Microsoft Windows NT4.0 or Windows 2000 to create at least one cluster disk resource. Before running SQL

Windows cluster requires that all versions of Windows in the same cluster be the same, which is a problem when we want to upgrade Windows (for example, from Windows 2008 R2 to Windows 2012) Had to build a new set of Windows cluster. You can choose

In view of the fact that this blog may have been a bit more obscure, but I feel very useful, so put on my TechNet webcast for this subject course and demo download links for your reference. Http://technet.microsoft.com/zh-cn/hh763481.aspx