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Shutting Down a Physical Machine

Shut down a physical machine (PM) to stop it from running when you need to service or replace the PM. Use this procedure to shut down one and only one PM.

Cautions:  
  1. Using this procedure to shut down both PMs will result in data loss. If you need to stop both PMs, shut down the everRun system (which also shuts down the virtual machines (VMs)), as described in Shutting Down the System.
  2. Do not use the -f (force) option with the halt, poweroff, or reboot command of the CentOS operating system. Doing so causes FT guests that are active on the same node to hang. Instead, use the everRun Availability Console and maintenance mode to shutdown a PM, as described in the procedure below.
  3. The everRun system is not fault tolerant when you shut down a PM. For continuous uptime, bring an offline PM back into service as soon as possible.

To shut down a PM, you must place the PM into maintenance mode, which migrates any virtual machines running on that PM to the remaining PM.

To shut down a PM

  1. Determine which PM you want to shut down.
  2. In the everRun Availability Console, click Physical Machines in the left-hand navigation panel.
  3. Select the appropriate PM (node0 or node1) and then click Work On, which changes the PM’s Overall State to Maintenance Mode and the Activity state to running (in Maintenance).
  4. After the PM displays running (in Maintenance), click Shutdown.
Caution: If the PM does not turn off after you click Shutdown, you must manually power off the PM, though doing so destroys its memory state. Manually power off a PM only as a last resort.

After the PM has shutdown, its activity is off (in Maintenance). You must manually restart the PM.

Related Topics

Maintenance Mode

The everRun Availability Console

Managing Physical Machines

The Physical Machines Page

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Help created at 11:06 AM on 1/16/2019.