Maintaining a cluster of virtual machines
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United States of America Patent
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May 24, 2016
Grant Date -
Jul 23, 2015
app pub date -
Mar 31, 2015
filing date -
May 31, 2013
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Abstract
A method and associated systems for monitoring and maintaining a cluster of virtual machines. The cluster contains one or more pairs of a first virtual machine and a second virtual machine, in which each machine of a pair monitors the other one machine of the pair. When a first virtual machine identifies that its corresponding second virtual machine is not operating properly, the first virtual machine automatically requests that a system-management entity restart the second machine. If a certain number of restart attempts fails to restore the second machine to desired functionality, the first virtual machine automatically requests that the system-management entity recreate or reprovision the second virtual machine from a prior backup. If a certain number of such attempts fail, a system administrator is automatically notified that further action is needed.
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