Index: trunk/packages/sipb-xen-database/sipb-xen-database/client/etc/xen/sipb-database
===================================================================
--- trunk/packages/sipb-xen-database/sipb-xen-database/client/etc/xen/sipb-database	(revision 142)
+++ trunk/packages/sipb-xen-database/sipb-xen-database/client/etc/xen/sipb-database	(revision 146)
@@ -5,4 +5,5 @@
 
 connect('postgres://sipb-xen@sipb-xen-dev.mit.edu/sipb_xen')
+prefix = "d_"
 
 # 'machine_name', and optionally 'cdrom_image', should get passed in
@@ -21,5 +22,5 @@
 maxmem = memory
 check(re.match('^[A-Za-z0-9][A-Za-z0-9._-]*$', machine.name))
-name = machine.name
+name = prefix + machine.name
 check(re.match('^[0-9a-f-]+$', machine.uuid))
 uuid = machine.uuid
@@ -59,5 +60,5 @@
 for d in machine.disks:
     check(re.match('^[A-Za-z0-9]+$', d.guest_device_name))
-    device = '/dev/xenvg/' + machine.name + '_' + d.guest_device_name
+    device = '/dev/xenvg/' + prefix + machine.name + '_' + d.guest_device_name
     dspec = 'phy:%s,%s%s,w' % (device, diskioemu, d.guest_device_name)
     disk.append(dspec)