sersync实现数据实时同步的方法

 [root@backup sersync_installdir_64bit]# tree . └── sersync ├── bin │ └── sersync ├── conf │ └── confxml.xml └── logs

 [root@nfs01 sersync_installdir_64bit]# mv sersync/ /usr/local/ [root@nfs01 tools]# tree /usr/local/sersync/ /usr/local/sersync/ ├── bin │ └── sersync ├── conf │ └── confxml.xml └── logs directories, 2 files

 [root@backup conf]# ll total 4 -rw-r--r-- 1 root root 2214 Oct 26 2011 confxml.xml [root@backup conf]# cp confxml.xml{,.bak}

  #监控那个目录 

 [root@nfs01 tools]# cat /usr/local/sersync/conf/confxml.xml               

 [root@nfs01 bin]# chmod a+x sersync [root@nfs01 bin]# ll total 1768 -rwxr-xr-x 1 root root 1810128 Oct 26 2011 sersync

 [root@nfs01 bin]# ./sersync -h set the system param execute：echo 50000000 > /proc/sys/fs/inotify/max_user_watches execute：echo 327679 > /proc/sys/fs/inotify/max_queued_events parse the command param _______________________________________________________ 重要参数-d:启用守护进程模式 重要参数-r:在监控前，将监控目录与远程主机用rsync命令推送一遍 参数-n: 指定开启守护线程的数量，默认为10个 重要参数-o:指定配置文件，默认使用confxml.xml文件 参数-m:单独启用其他模块，使用 -m refreshCDN 开启刷新CDN模块 参数-m:单独启用其他模块，使用 -m socket 开启socket模块 参数-m:单独启用其他模块，使用 -m http 开启http模块 不加-m参数，则默认执行同步程序 ________________________________________________________________

 ./sersync -dro /usr/local/sersync/conf/confxml.xml

 export PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin:/usr/local/sersync/bin/

 [root@nfs01 scripts]# sersync -dro /usr/local/sersync/conf/confxml.xml set the system param execute：echo 50000000 > /proc/sys/fs/inotify/max_user_watches execute：echo 327679 > /proc/sys/fs/inotify/max_queued_events parse the command param option: -d run as a daemon option: -r rsync all the local files to the remote servers before the sersync work option: -o config xml name： /usr/local/sersync/conf/confxml.xml daemon thread num: 10 parse xml config file host ip : localhost host port: 8008 daemon start，sersync run behind the console use rsync password-file : user is rsync_backup passwordfile is /etc/rsync.password config xml parse success please set /etc/rsyncd.conf max connections=0 Manually sersync working thread 12 = 1(primary thread) + 1(fail retry thread) + 10(daemon sub threads) Max threads numbers is: 22 = 12(Thread pool nums) + 10(Sub threads) please according your cpu ，use -n param to adjust the cpu rate ------------------------------------------ rsync the directory recursivly to the remote servers once working please wait... execute command: cd /data && rsync -az -R --delete ./ rsync_backup@172.16.1.41::nfsbackup --password-file=/etc/rsync.password >/dev/null 2>&1 run the sersync: watch path is: /data

 [root@nfs01 ~]# man man The standard sections of the manual include: User Commands     #用户命令 System Calls     #系统调用 C Library Functions    # Ç库函数 Devices and Special Files   #设备和特殊文件 File Formats and Conventions  #文件格式和约定 Games et. Al.     #游戏等。 Miscellanea     #杂记 System Administration tools and Daemons #系统管理工具和程序 Distributions customize the manual section to their specifics, which often include additional sections.

 [root@clsn tuichu]# man ~ Executable programs or shell commands System calls (functions provided by the kernel) Library calls (functions within program libraries) Special files (usually found in /dev) File formats and conventions eg /etc/passwd Games Miscellaneous (including macro packages and conventions), e.g. man(7), groff(7) System administration commands (usually only for root) Kernel routines [Non standard]