When workloads run on vSphere, the virtual equivalent of the watchdog timer helps the guest OS to achieve the same goal. In this blog post we will introduce the virtual watchdog timer, and discuss how to configure it in vSphere 7.Ī watchdog timer helps the operating system or application to recover from crashes by powering off or resetting the server if the watchdog timer has not been reset by the OS within the programmed time.
It is an important function for clustered applications to gain high availability. It enables developers and administrators to have a standard way to know whether the guest operating system (OS) and applications, running inside a virtual machine, have crashed. The new virtual watchdog timer (vWDT) is a new virtual device introduced in vSphere 7.
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