text: // version2.js
  
  s = new ShardingTest( "version2" , 1 , 2 )
  
  s.adminCommand( { enablesharding : "alleyinsider" } );
  s.adminCommand( { shardcollection : "alleyinsider.foo" , key : { num : 1 } } );
  s.adminCommand( { shardcollection : "alleyinsider.bar" , key : { num : 1 } } );
  
  a = s._connections[0].getDB( "admin" );
  
  // setup from one client
  
  assert( a.runCommand( { "getShardVersion" : "alleyinsider.foo" , configdb : s._configDB } ).mine.i == 0 );
  assert( a.runCommand( { "getShardVersion" : "alleyinsider.foo" , configdb : s._configDB } ).global.i == 0 );
  
  assert( a.runCommand( { "setShardVersion" : "alleyinsider.foo" , configdb : s._configDB , authoritative : true ,
                          version : new NumberLong( 4294967296 ), // 1|0
                          shard: "shard0000" , shardHost: "localhost:30000" } ).ok == 1 );
  
  printjson( s.config.chunks.findOne() );
  
  assert( a.runCommand( { "getShardVersion" : "alleyinsider.foo" , configdb : s._configDB } ).mine.t == 1000 );
  assert( a.runCommand( { "getShardVersion" : "alleyinsider.foo" , configdb : s._configDB } ).global.t == 1000 );
  
  // from another client
  
  a2 = connect( s._connections[0].name + "/admin" );
  
  assert.eq( a2.runCommand( { "getShardVersion" : "alleyinsider.foo" , configdb : s._configDB } ).global.t , 1000 , "a2 global 1" );
  assert.eq( a2.runCommand( { "getShardVersion" : "alleyinsider.foo" , configdb : s._configDB } ).mine.i , 0 , "a2 mine 1" );
  
  function simpleFindOne(){
      return a2.getMongo().getDB( "alleyinsider" ).foo.findOne();
  }
  
  assert.commandWorked( a2.runCommand( { "setShardVersion" : "alleyinsider.bar" , configdb : s._configDB , version : new NumberLong( 4294967296 ) , authoritative : true } ) , "setShardVersion bar temp");
  
  assert.throws( simpleFindOne , [] , "should complain about not in sharded mode 1" );
  
  
  // the only way that setSharVersion passes is if the shard agrees with the version
  // the shard takes its version from config directly
  // TODO bump timestamps in config
  // assert( a2.runCommand( { "setShardVersion" : "alleyinsider.foo" , configdb : s._configDB , version : 2 } ).ok == 1 , "setShardVersion a2-1");
  
  // simpleFindOne(); // now should run ok
  
  // assert( a2.runCommand( { "setShardVersion" : "alleyinsider.foo" , configdb : s._configDB , version : 3 } ).ok == 1 , "setShardVersion a2-2");
  
  // simpleFindOne(); // newer version is ok
  
  
  s.stop();
  