[rsync报错：rsync: chgrp “.initial-setup-ks.cfg.jaXlVz” (in backup) failed: Operation not permitted (1)]
问题背景：在配置好rsync服务和客户端后，客户端从服务端拉取是正常的，但从客户端推送到服务端报错。
a，单独推送目录会报这个错误
rsync: recv_generator: mkdir “opt” (in backup) failed: Permission denied (13)
[root@jxl ~]# rsync -avz aa.txt rsync_backup@192.168.81.230::backup sending incremental file list aa.txt rsync: chgrp ".aa.txt.rn3eFN" (in backup) failed: Operation not permitted (1) sent 96 bytes received 125 bytes 442.00 bytes/sec total size is 3 speedup is 0.01 rsync error: some files/attrs were not transferred (see previous errors) (code 23) at main.c(1178) [sender=3.1.2]
如果从客户端向服务端推送目录和文件也报错rsync: chgrp “.backup.sh.RwFAWn” (in backup) failed: Operation not permitted (1)。但文件传过去了，目录并没有传过去
[root@nfs01:/opt]# rsync -avz /opt/ rsync_backup@192.168.81.230::backup Password: sending incremental file list ./ backup.sh hejian.txt services rsync: chgrp ".backup.sh.RwFAWn" (in backup) failed: Operation not permitted (1) rsync: chgrp ".hejian.txt.iLqEOb" (in backup) failed: Operation not permitted (1) rsync: chgrp ".services.vxwJGZ" (in backup) failed: Operation not permitted (1) sent 136,811 bytes received 340 bytes 21,100.15 bytes/sec total size is 697,812 speedup is 5.09 rsync error: some files/attrs were not transferred (see previous errors) (code 23) at main.c(1178) [sender=3.1.2]
然后检查/backup目录的权限被修改成了550，原来设置的是755，然后把权限修改成755后再重新操作
[root@backup:/backup]# ls -ld /backup/ dr-xr-x--- 3 rsync rsync 312 Sep 1 07:54 /backup/ root@backup:/backup]# chmod 755 /backup/ [root@backup:/backup]# ls -ld /backup/ drwxr-xr-x 4 rsync rsync 324 Sep 1 08:03 /backup/
但修改完后再通过客户端同步，还是报上面的错，并且刚修改的目录权限又变成了550
从网上查询的说是selinux影响，但我检查两台服务器的selinux设置的都是disabled，防火墙也处于关闭状态
[root@backup:/backup]# getenforce Disabled
经排查是由于-a参数导致的，因为-a是归档模式传输，并保持所有文件属性，等价于-rtopgDl（还没有具体深入研究），可以使用下面这个命令替代
[root@nfs01:/opt]# rsync -rltDvz /opt/ rsync_backup@10.0.0.41::backup
不用-a确实解决了，但是经过检查配置文件发现fake super配置参数写成了fake supper因此导致没有root权限。
因此使用-a必须具备fake supper = yes的配置参数才可以。
