Linux rsync实现断点续传

Linux 主机

之间即时传送文件，scp命令大家都很熟悉

但当要传送的文件较大，过程中如果网络中断了，就比较悲剧了。这时候可以考虑使用rsync命令替代scp，实现断点续传文件。

试验：rsync使用

环境：2台RHEL 5.7

需求：主机A传送文件夹TestDB到主机B

rsync -rP –rsh=ssh /home/Oracle/TestDB/ oracle@192.168.1.173:/home/oracle/TestDB

实验rsync断点续传的过程记录：

[oracle@rac1-server TestDB]$ rsync -rP –rsh=ssh /home/oracle/TestDB/ oracle@192.168.1.173:/home/oracle/TestDB sending incremental file list created directory /home/oracle/TestDB ./ DB1.dbf 4194304 100% 17.88MB/s 0:00:00 (xfer#1, to-check=7/9) DB2.dbf 41959424 100% 13.41MB/s 0:00:02 (xfer#2, to-check=6/9) DB3.dbf 8380416 100% 5.57MB/s 0:00:01 (xfer#3, to-check=5/9) DB4.dbf 41959424 100% 6.64MB/s 0:00:06 (xfer#4, to-check=4/9) DB5.dbf 76021760 100% 12.90MB/s 0:00:05 (xfer#5, to-check=3/9) DB6.dbf 80347136 79% 9.76MB/s 0:00:02 –此处断开了连接 Last login: Tue Jul 1 09:22:34 2014 from 192.168.1.101 [oracle@rac1-server ~]$ rsync -rP –rsh=ssh /home/oracle/TestDB/ oracle@192.168.1.173:/home/oracle/TestDB sending incremental file list DB1.dbf 4194304 100% 102.51MB/s 0:00:00 (xfer#1, to-check=7/9) DB2.dbf 41959424 100% 64.44MB/s 0:00:00 (xfer#2, to-check=6/9) DB3.dbf 8380416 100% 11.38MB/s 0:00:00 (xfer#3, to-check=5/9) DB4.dbf 41959424 100% 37.40MB/s 0:00:01 (xfer#4, to-check=4/9) DB5.dbf 76021760 100% 47.14MB/s 0:00:01 (xfer#5, to-check=3/9) DB6.dbf 100597760 100% 42.85MB/s 0:00:02 (xfer#6, to-check=2/9) DB7.dbf 1005977600 100% 10.95MB/s 0:01:27 (xfer#7, to-check=1/9) DB8.dbf 182517760 100% 9.85MB/s 0:00:17 (xfer#8, to-check=0/9) sent 1188790859 bytes received 248537 bytes 10760537.52 bytes/sec total size is 1461608448 speedup is 1.23 [oracle@rac1-server ~]$ –实现了断点续传