How to Migrate Virtual Machines using RHEV clusters
RHEV Clustering
Add a new host to the RHEVM, before starting clustering and migration
To Install a new hypervisor (host)
To know how to setup a RedHat Enterprise Virtualisation Hypervisor visit,
https://www.linuxhelp.com/how-to-setup-redhat-enterprise-virtualization-hypervisor-in-linux/
After adding the host, approve the host in the rhevm.
Enter the Data Center, Host cluster, Name, address, port and click OK.
Select the cluster tab, edit the properties and then click OK.
Select the Host tab and configure the migration option. Then click OK
Click High Availability tab and choose a priority for the Migration queue.
Click migrate button for manual migration.
Select the destination host to migrate the virtual machine.
For Automatic migration
Make the CPU load of VM to exceed 60% for automatic migration by using the following command.
[root@vm :/home/user1] # dd if=/dev/urandom of=/dev/null
After running this command, the cpu load goes above 90%.
Now the host is getting migrated automatically to another host.
It has completely migrated to another host.
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