ERROR server: 192.168.20.175:22122, response status 2 != 0

Fastdfs重启后报错，怎么解决？什么原因

[2016-05-12 09:24:51] DEBUG - base_path=/mnt/fastdfs_client, connect_timeout=30, network_timeout=60, tracker_server_count=1, anti_steal_token=0, anti_steal_secret_key length=0, use_connection_pool=0, g_connection_pool_max_idle_time=3600s, use_storage_id=0, storage server id count: 0

[2016-05-12 09:24:51] ERROR - file: tracker_proto.c, line: 48, server: 192.168.20.175:22122, response status 2 != 0
[2016-05-12 09:24:51] ERROR - file: tracker_proto.c, line: 48, server: 192.168.20.175:22122, response status 2 != 0
tracker_query_storage fail, error no: 2, error info: No such file or directory

步骤是首先：pkill -9 fdfs

然后

/usr/bin/fdfs_trackerd /etc/fdfs/tracker.conf

/usr/bin/fdfs_storaged /etc/fdfs/storage.conf