s = new ShardingTest( "remove_shard1", 2 ); assert.eq( 2, s.config.shards.count() , "initial server count wrong" ); s.config.databases.insert({_id: 'local', partitioned: false, primary: 'shard0000'}); s.config.databases.insert({_id: 'needToMove', partitioned: false, primary: 'shard0000'}); s.config.getLastError(); // first remove puts in draining mode, the second tells me a db needs to move, the third actually removes assert( s.admin.runCommand( { removeshard: "shard0000" } ).ok , "failed to start draining shard" ); assert( !s.admin.runCommand( { removeshard: "shard0001" } ).ok , "allowed two draining shards" ); assert.eq( s.admin.runCommand( { removeshard: "shard0000" } ).dbsToMove, ['needToMove'] , "didn't show db to move" ); s.getDB('needToMove').dropDatabase(); assert( s.admin.runCommand( { removeshard: "shard0000" } ).ok , "failed to remove shard" ); assert.eq( 1, s.config.shards.count() , "removed server still appears in count" ); assert( !s.admin.runCommand( { removeshard: "shard0001" } ).ok , "allowed removing last shard" ); assert.isnull( s.config.databases.findOne({_id: 'local'}), 'should have removed local db'); // should create a shard0002 shard conn = startMongodTest( 29000 ); assert( s.admin.runCommand( { addshard: "localhost:29000" } ).ok, "failed to add shard" ); assert.eq( 2, s.config.shards.count(), "new server does not appear in count" ); stopMongod( 29000 ); s.stop();