Ensure lvm2-lvmetad service running on Fedora
Ensure lvm2-lvmetad service running on Fedora

When the lvm package gets installed the meta service does
not gets started automatically, but it becomes enabled so it would be
running on the next reboot.

The lvm commands are configured to use this service.
In the past this issue just causes warnings in the cinder log,
but now it can lead to a real issue.

It is better to ensure it is really running,
because it speeds up the lvm related commands.

Change-Id: I17fe2c3bcf77a6505ed2b6c824c5b20807beb725

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