diff --git a/roles/mirrormanager/crawler/files/mm2_get-highest-active-host-id b/roles/mirrormanager/crawler/files/mm2_get-highest-active-host-id
old mode 100644
new mode 100755
index dd4299e85a..bebb77cbd6
--- a/roles/mirrormanager/crawler/files/mm2_get-highest-active-host-id
+++ b/roles/mirrormanager/crawler/files/mm2_get-highest-active-host-id
@@ -5,18 +5,32 @@ import sys
 
 import mirrormanager2.lib
 
-parser = argparse.ArgumentParser(usage=sys.argv[0] + " [options]")
+
+parser = argparse.ArgumentParser(usage=sys.argv[0] + " [options]",
+                                 formatter_class=argparse.RawTextHelpFormatter)
 parser.add_argument(
     "-c", "--config",
     dest="config", default='/etc/mirrormanager/mirrormanager2.cfg',
     help="Configuration file to use")
 
+parser.add_argument(
+    "-f", "--fraction",
+    dest="fraction", default="1:1",
+    help='''Specify which part of the mirror range should be returned
+1:1 - all mirrors
+1:2 - the first half of the mirrors
+2:3 - the middle third of the mirrors''')
+
 options = parser.parse_args()
 
 config = dict()
 with open(options.config) as config_file:
     exec(compile(config_file.read(), options.config, 'exec'), config)
 
+if ':' not in options.fraction:
+    parser.print_help()
+    sys.exit(0)
+
 session = mirrormanager2.lib.create_session(config['DB_URL'])
 
 # Get all active mirrors
@@ -29,4 +43,15 @@ hosts = [ host.id for host in hosts ]
 
 session.close()
 
-print max(hosts)
+hosts.sort()
+
+total = int(options.fraction.split(':')[1])
+part = int(options.fraction.split(':')[0])
+
+start = (part-1)*(len(hosts)/total)
+stop = (len(hosts)/total)*part
+
+if total == part:
+    print "--startid=%d" % (hosts[start])
+else:
+    print "--startid=%d --stopid=%d" % (hosts[start], hosts[stop])