[2017-03-23 13:49:13] INFO - file: tracker_mem.c, line: 4213, sys files loaded from tracker server 192.168.10.78:22122
[2017-03-23 13:49:13] ERROR - file: tracker_mem.c, line: 596, in the file "/fastdfs/tracker/data/storage_groups_new.dat", item "group_count" is not found
[2017-03-23 13:49:13] ERROR - file: tracker_mem.c, line: 4297, get sys files from other trackers fail, errno: 2
[2017-03-23 13:49:19] ERROR - file: tracker_proto.c, line: 48, server: 192.168.10.78:22122, response status 5 != 0
[2017-03-23 13:49:19] INFO - file: tracker_mem.c, line: 4213, sys files loaded from tracker server 192.168.10.78:22122
[2017-03-23 13:49:19] ERROR - file: tracker_mem.c, line: 596, in the file "/fastdfs/tracker/data/storage_groups_new.dat", item "group_count" is not found
[2017-03-23 13:49:19] ERROR - file: tracker_mem.c, line: 4297, get sys files from other trackers fail, errno: 2
[2017-03-23 13:49:20] ERROR - file: tracker_proto.c, line: 48, server: 192.168.10.78:22122, response status 5 != 0
[2017-03-23 13:49:20] INFO - file: tracker_mem.c, line: 4213, sys files loaded from tracker server 192.168.10.78:22122
[2017-03-23 13:49:20] ERROR - file: tracker_mem.c, line: 596, in the file "/fastdfs/tracker/data/storage_groups_new.dat", item "group_count" is not found
[2017-03-23 13:49:20] ERROR - file: tracker_mem.c, line: 4297, get sys files from other trackers fail, errno: 2
解决方案：
是多个tracker data数据不一致，没有自动同步。
删掉新加入节点的/data目录，拷贝当前Leader tracker目录下的 /data文件 过去即可（.pid不要拷贝）
之前有搜索到说是BUG导致，后来验证并不是，V5.09一样可以解决
