[wil@bufferoverflow ~]$ sudo systemctl stop vdsmd.service

[wil@bufferoverflow ~]$ sudo rm -rf /rhev/data-canter/*

[wil@bufferoverflow ~]$ ls -lad /rhev/data-center/

drwxr-xr-x. 4 vdsm kvm 4096 Apr 18 18:27 /rhev/data-center/

[wil@bufferoverflow ~]$ ls -la /rhev/data-center/

total 16

drwxr-xr-x. 4 vdsm kvm  4096 Apr 18 18:27 .

drwxr-xr-x. 3 root root 4096 Mar 13 15:32 ..

drwxr-xr-x  2 vdsm kvm  4096 Apr 18 18:27 hsm-tasks

drwxr-xr-x. 4 vdsm kvm  4096 Apr 18 18:25 mnt

[wil@bufferoverflow ~]$ sudo reboot

Connection to bufferoverflow closed by remote host.

...

Last login: Thu Apr 18 18:40:19 2013

[wil@bufferoverflow ~]$ ./engine-service stop

Stopping engine-service:                                    [  OK  ]

[wil@bufferoverflow ~]$ ./engine-service start

Starting engine-service:                                    [  OK  ]

[wil@bufferoverflow ~]$