NFS實時備份
backup作為實時共享使用
常規:crond+rsync
打開backup服務器:
[[email protected] ~]# ps -ef|grep rsync
root 1296 1 0 21:51 ? 00:00:00 /usr/bin/rsync --daemon
root 1505 1489 0 23:54 pts/0 00:00:00 grep rsync
[[email protected] ~]# lsof -i tcp:873
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
rsync 1296 root 5u IPv6 10870 0t0 TCP *:rsync (LISTEN)
vi /etc/rsyncd.conf增加一個模塊
[nfsbackup]
path=/nfsbackup
[[email protected] ~]# vi /etc/rsyncd.conf
[[email protected] ~]# pkill rsync
[[email protected] ~]# lsof -i tcp:873
[[email protected] ~]# lsof -i tcp:873
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
rsync 1529 root 4u IPv4 12693 0t0 TCP *:rsync (LISTEN)
rsync 1529 root 5u IPv6 12694 0t0 TCP *:rsync (LISTEN)
[[email protected]
[[email protected] ~]# chown -R rsync.rsync /nfsbackup
下面是在nfs服務器上面操作:
[[email protected] ~]# rsync -avz /data/ [email protected]::nfsbackup --password-file=/etc/rsync.password
sending incremental file list
./
a.txt
b.txt
sent 156 bytes received 49 bytes 410.00 bytes/sec
total size is 0 speedup is 0.00
第一個裏程碑:
a實現從nfs客戶端到rsync服務端的rsynbc服務器部署
inotify簡介:
inotify是一種強大的,細粒度的,異步的文件系統事件監控機制。
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本文出自 “sandshell” 博客,請務必保留此出處http://sandshell.blog.51cto.com/9055959/1954325
NFS實時備份