The kernel uses watchdog to handle a hung system. Watchdog is simply a kernel module that checks a timer to determine whether the system is alive. Watchdog can reboot the system if it think it is hung. Watchdog is quite useful to to determine a server hang situation.....To read more, see
Deploying watchdog on ipfail-plugin for Heartbeat
Showing posts with label High-Availability. Show all posts
Showing posts with label High-Availability. Show all posts
Deploying ipfail plug-in for HeartBeat
This is a continuation of the Blog Entry Deploying a Highly Available Cluster (Heartbeat) on CentOS. In this Blog Entry, we are looking ipfail plug-in that comes with Heartbeat package. Read Deploying ipfail plug-in for HeartBeat
Deploying a Highly Available Cluster (Heartbeat) on CentOS
Heartbeat is a software package that allows you to failover a resource from one computer to another. The blog entry Deploying a Highly Available Cluster (Heartbeat) on CentOS is a more detailed writeup on how to configure a heart-beat on CentOS
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