Failover is the concept of moving services from one host or node to another in order to provide high availability in a computing system.

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PostgreSQL Failover - What tools should I use?

Here is the scenario: There are two machines running CentOS 6.2 - machine0 and machine1 Both have PostgreSQL 9.1 installed. One of them should be active, as a master system and through asynchronous ...
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PostgreSQL failover and replication

I'm evaluating PostgreSQL 9.1 and have few questions related to failover and replication details. I have few test scenarios. First one with a Master server and few Slaves. In case Master crashes I ...
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JBoss don't fail over MySQL slave using datasource

I'm trying to set up an high available MySQL cluster, using a Master / Slave configuration. I want to the slave become master (e.g. not read-only but writeable) if the first node come down (like in ...
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Automating failover in PostgreSQL 9.1

How does one setup two identical servers for automatic failover in PostgreSQL 9.1. OS Centos 5 PostgreSQL 9.1 compiled from source The postgres user account exists on both machines and has a ...
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Database as a service (DbaaS) over dimensions--performance, scalability, & reliability?

MySql Database as a service: Amazon Xeround Another eg. PostgreSQL Database-as-a-Service. You can get the list of similar products here. Does anyone have details on their performance, ...
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MySql Switching Masters During Failover with log-slave-updates

I am still pretty newbie to mysql. This question is regarding promoting slave with option --log-slave-updates to become a master. The typical schema of promoting slave to master was described in ...
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Get missed transactions from slave

I'm trying to write a disaster recovery plan, I have one way replication with 1 master(A) and 3 slaves(B,C,D) A /|\ / | \ B C D Let's say my master crash, and I loose all data on ...
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Problem adding a new node to a SQL Server 2012 Failover Cluster

I tried to add a new node to SQL Server (2012 Standard) Failover, that is already installed on another node in Windows2012 Failover Cluster I have an issue with non editable field wiht input for SQL ...
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JBoss/Alfresco cannot write on slave after failover [duplicate]

Possible Duplicate: JBoss don't fail over MySQL slave using datasource I'm trying to set up an high available MySQL "cluster", using a Master / Slave Replication configuration. I want ...
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Windows Server failover cluster [closed]

I have 5pcs. IBM System x3650(7979 - ex. ESX/VMWare, planned EOL) now with baremetal Win2012 DataCenter, every machine has the same HW and SW (inc policy). I want to create two clusters (MS SQL), for ...