website failover

Java Oracle thin and OCI connectivity for failover of multiple databasesFirst, Thin wayWhere the URL isjdbc:oracle:thin:@ (description= (Load_balance=on)(Address= (PROTOCOL=TCP) (host=127.0.0.1) (port=1521))(Address= (PROTOCOL=TCP) (host=10.132.111.14) (port=1521))(Connect_data= (SERVICE_NAME=BOMC)))Where load_balance=on means load is on, Java creates session connections in random ways;Load_banlance=off indicates that the load is closed, and Java crea

DHCP failover in Windows Server 2012 allows administrators to deploy DHCP services with native high availability, the main objectives of this feature are as follows:DHCP failover in Windows Server 2012 allows administrators to deploy DHCP services with native high availability, the main objectives of this feature are as follows:Always provide DHCP service availability on the corporate network.If a DHCP serv

Misunderstanding #1: After server failover, ongoing transactions continue to be executed Of course this is wrong! Each failover is accompanied by some form of recovery. However, if the transaction being executed does not have a Commit, the connection is disconnected because the server or instance crashes, SQL Server cannot re-establish the transaction context on the Server after the

this, we have been ignoring the azure of a unique secret, currently I have not found other public cloud to provide DSR support!Below we create two virtual machines using CentOS 6.7 Images and configure a Linux server failover cluster on the Azure China edition.Pre-preparation work:1. Place two virtual machines in the same cloud service and must use standard type virtual machines.2. Assign a fixed network IP address (DIP) and public IP address (Reserv

Recently in a Windows Server 2012 failover run environment, plan to run SQL Server on top of AlwaysOn, the virtual server is running on the VMware ESXi 5.5.0 platform and found if the virtual server uses e1000e () Type of network adapter, failover communication often fails, when two servers ping each other, occasionally drops packets, if the E1000,vmxnet3 type of network card is used, the

In each column, "WebSphere contrarian investors" will answer questions, provide guidance and discuss the underlying topics associated with WebSphere products, often giving proven recommendations that contradict popular perceptions. Knowledge consolidation Time Over the past few weeks, I've spent a lot of time providing in-house training for technical sales experts on the newly released Ibm®websphere®application Server V7. Part of the training has been allocated to basic materials to back up th

Remember last year that you wrote a piece of Exchange Server 2007 SP1 CCR, but it's a Windows Server 2003-based platform. The failover cluster for Windows Server 2008 has been a number of projects, including SQL 2005, Exchange 2007, and so on. Today, I'm going to repeat the CCR feature of the Mail to my friends who love Microsoft technology and hope you will support me. Prerequisite A before can follow along with the steps provided at this article s

After you have created a failover cluster earlier, we will configure failover clustering in this article primarily to configure the quorum disks and cluster shared volumes used by the failover cluster. Open "Failover Cluster Manager" in Server1 's "administrative Tools", as shown in Figure 1, right click on the cluster

Today our topic is a new feature in Windows Server 2012, DHCP failover, DHCP is not too much to introduce this is a very basic knowledge, DHCP in Windows Server 2012 In fact there are three major new features, namely:DHCP Fail-OverPolicy-based allocationPowerShell for DHCPIn Windows server R2, two high-availability options are available for DHCP server deployment. Each of these options is related to a number of questions.DHCP in Windows

After Node 1 is reboot, why is the resource of Node 1 not failover to node 2? Symptom: the customer asked a question, that is, during the reboot process of Node 1, through monitoring, there was no After Node 1 is reboot, why is the resource of Node 1 not failover to node 2? Symptom: the customer asked a question, that is, during the reboot process of Node 1, through monitoring, there was no After Node

The failover processing process bitsCN.com after the master database of db0101 is down in 48 nodes groups online Failover processing after 48 nodes in the online group and db0101 master database are down When a call is received, db0101 is Down and an error is reported: (1) Error 500,503,504 Error on the application page (2) email alert db0201 is down now! 1. Initial Determination of symptoms Ping ipv222

11g Dataguard standby cut into the main library and restored to the original standby environment after the test is completed#######################Overview:11204 single machine to implement DG, because the local requirements (read-write mode) to open standby, and then the original production environment can not have any impact, still external services;The idea is that: Standby direct failover to primary db, then the original DG relationship is destroy