注意：
报错：[2019-03-27 12:01:48] ERROR - file: tracker_proto.c, line: 48, server: 172.19.247.156:22122, response status 2 != 0 tracker_query_storage fail, error no: 2, error info: No such file or directory
解决：查看storage.conf的存储路径设置，是找不到存储路径
（设置文件存储路径，一定要注意路径前面是否取消注释，路径是否写完整，如前面的“/”）
1.不能上传文件到storage：, errno: 113, error info: No route to host
[2018-09-26 05:18:14] ERROR - file: connection_pool.c, line: 130, connect to 10.15.24.109:23000 fail, errno: 113, error info: No route to host
upload file fail, error no: 113, error info: No route to host
原因：是storage那台机器没有开启23000端口。
解决：打开该端口即可。
2.不能上传文件到storage：,tracker_query_storage fail, error no: 2, error info: No such file or directory
storage的配置文件中图片的保存路径中的文件夹名字写错
tracker和storage安装完成，测试上传图片报错：
[2018-01-04 16:37:54] ERROR - file: tracker_proto.c, line: 48, server: 192.168.146.111:22122, response status 2 != 0
[2018-01-04 16:37:54] ERROR - file: tracker_proto.c, line: 48, server: 192.168.146.111:22122, response status 2 != 0
tracker_query_storage fail, error no: 2, error info: No such file or directory
经查找是
错误配置：store_path0=/home/fastdfs/storager
正确配置：store_path0=/home/fastdfs/storage
修改配置重启后上传成功
3.不能上传文件到storage，response status 28 != 0 tracker_query_storage fail, error no: 28, error info: No space left on device
原因为Storage磁盘空间不足造成的，Storage默认的保留磁盘空间大小为reserved_storage_space = 10% # storage server 上保留的空间，保证系统或其他应用需求空间。可通过 storage.conf 配置。
另外还可以通过水平（增加Group和storage节点数）和垂直（增加当前storage的磁盘大小）来解决该问题！
4.两个Tracker之间不能选出Leader，status 2 != 0 和status 5 != 0
第一台Tracker日志
[2018-09-25 21:57:12] INFO - file: tracker_relationship.c, line: 383, selecting leader...
[2018-09-25 21:57:12] ERROR - file: tracker_proto.c, line: 48, server: 10.15.24.108:22122, response status 2 != 0
第二台Tracker日志
[2018-09-25 21:58:57] ERROR - file: tracker_proto.c, line: 48, server: 10.15.24.107:22122, response status 5 != 0
[2018-09-25 21:58:57] INFO - file: tracker_mem.c, line: 4213, sys files loaded from tracker server 10.15.24.107:22122
[2018-09-25 21:58:57] ERROR - file: tracker_mem.c, line: 596, in the file "/fastdfs/tracker/data/storage_groups_new.dat", item "group_count" is not found
[2018-09-25 21:58:57] ERROR - file: tracker_mem.c, line: 4297, get sys files from other trackers fail, errno: 2
原因：因为两边的tracker里面的配置文件不一致
解决：先两边都停掉，然后把全的那边（或者leader）那边的配置文件覆盖到另外一个tracker，最后重启就可以了。
5.Tracker启动日志报错，不能上传图片到storage ，tracker_query_storage fail, error no: 2, error info: No such file or directory
当所有FastDFS服务器关闭后重启，最开始的时候，防火墙没有关闭，这时
[root@localhost src]# /usr/bin/fdfs_upload_file /etc/fdfs/client.conf /usr/local/src/2.jpg
[2018-10-16 21:44:17] ERROR - file: tracker_proto.c, line: 48, server: 10.15.24.107:22122, response status 2 != 0
tracker_query_storage fail, error no: 2, error info: No such file or directory
关闭防火墙之后，上传仍然报这个错
关闭防火墙之后
systemctl status firewalld
systemctl stop firewalld
再重启所有服务，这个时候
[2018-10-16 21:53:39] INFO - file: tracker_relationship.c, line: 383, selecting leader...
[2018-10-16 21:53:39] INFO - file: tracker_relationship.c, line: 401, I am the new tracker leader 10.15.24.108:22122
然后再上传文件，则报
[root@localhost src]# /usr/bin/fdfs_upload_file /etc/fdfs/client.conf /usr/local/src/2.jpg
[2018-10-16 21:56:48] ERROR - file: connection_pool.c, line: 130, connect to 10.15.24.120:23000 fail, errno: 113, error info: No route to host
upload file fail, error no: 113, error info: No route to host
再关闭 防火墙
~]# service iptables stop
Redirecting to /bin/systemctl stop iptables.service
[root@localhost ~]# service iptables status
再上传就可以了
