Add a marker to the reserved table to indicate the node is part of a sliver.

sql/database-create.sql

@@ -2880,6 +2880,7 @@ CREATE TABLE `reserved` (
   `plab_role` enum('plc','node','none') NOT NULL default 'none',
   `plab_boot` tinyint(1) default '0',
   `mustwipe` tinyint(4) NOT NULL default '0',
+  `genisliver_idx` int(10) unsigned default NULL,
   PRIMARY KEY  (`node_id`),
   UNIQUE KEY `vname` (`pid`,`eid`,`vname`),
   UNIQUE KEY `vname2` (`exptidx`,`vname`),

sql/database-migrate.txt

@@ -4505,3 +4505,10 @@ last_net_act,last_cpu_act,last_ext_act);
 
        alter table nodes add `uuid` varchar(40) NOT NULL default '';
        update nodes set uuid=UUID();
+
+4.152: Add a marker to the reserved table to indicate the node is part of
+       a sliver.
+
+       alter table reserved add `genisliver_idx` int(10) unsigned
+            default NULL;
+