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 Hit : 1694
 À̸§ : È£¼®  (119.¢½.25.139)
 ³¯Â¥ : 2011-05-28 14:30:45
 Á¦¸ñ : lsync ½Ç½Ã°£ µ¿±âÈ­
lsync ½Ç½Ã°£ µ¿±âÈ­


0. lsync ¼Ò°³

lsync´Â time synchronization progrem for Linux ÀÇ ¾àÀÚÀÌ´Ù.
lsync¸¦ ÀÌ¿ëÇÏ¸é ½Ç½Ã°£ µ¿±âÈ­°¡ °¡´É ÇÏ´Ù.
ÇÏÁö¸¸ ³×Æ®¿÷ ¼Óµµ°¡ ±×¸¸Å­ ³ôÀº ¼Óµµ°¡ ¾ÈÁ¤ÀûÀ¸·Î ³ª¿À´Â ³×Æ®¿÷ ȯ°æ¿¡¼­¸¸ ¾ÈÁ¤ÀûÀ¸·Î ¿î¿µÀÌ °¡´ÉÇÏ´Ù.


1. µ¿ÀÛ ¿ø¸®

1) Ä¿³ÎÀÇ inotify¿¡¼­ ÆÄÀϽýºÅÛÀÇ º¯°æ À̺¥Æ®¸¦ üũÇÑ´Ù .
2) À̺¥Æ® ¹ß»ý½Ã rsync¸¦ È£ÃâÇÏ¿© º¯°æ À̺¥Æ®°¡ ¹ß»ýÇÑ ÆÄÀÏÀ» ¹èÆ÷ÇÑ´Ù.

µ¿ÀÛ¿ø¸®´Â À§ÀÇ µÎ°¡Áö´Ü°è·Î ¸Å¿ì ´Ü¼øÇÏ´Ù.

¿øº» ¼­¹ö¿¡´Â kernel 2.6.13ÀÌ»ó ¹öÀüÀÌ ÇÊ¿äÇÏ´Ù ÀÌ´Â ÀÌÀÌ»ó¹öÀü¿¡¼­ inotify¸¦ Áö¿øÇÑ´Ù.
½½·¹ÀÌºê ¼­¹ö¿¡´Â rsync µ¥¸óÀÌ ¼³Á¤µÇ¾î ÀÖ¾î¾ß ÇÑ´Ù.


2. ¿ä±¸»çÇ×
kernel 2.6.13 ÀÌ»ó ¹öÀü
rsync package
libxml2 package
libxml2-devel package


3. µ¿±âÈ­ ¹æ¹ý

lsync »ç¿ë¹ý

lsyncd [OPTION]... [SOURCE] [TARGET 1] [TARGET 2] ...
[SOURCE] => µ¿±âÈ­½Ã ¿øº»ÀÌ Á¸Á¦ÇÏ´Â À§Ä¡ /home/test/
[TARGET X] => µ¿±âÈ­°¡ ÇÊ¿äÇÑ ¼­¹ö 192.168.0.3::HOME/test
[OPTION]
--binary FILE rsync ½ÇÇà ÆÄÀÏ À§Ä¡
--conf FILE ½ÇÇà½Ã ·ÎµåÇÒ ¼³Á¤ ÆÄÀϸí (DEFAULT: /etc/lsyncd.conf.xml)
--debug µð¹ö±×¸¦ À§ÇÑ ·Î±×
--exclude-from FILE µ¿±âÈ­½Ã Á¦¿Ü½Ãų ÆÐÅÏÀÇ ¿É¼·
--logfile FILE ·Î±× ÆÄÀÏÀ§Ä¡
--no-daemon Æ÷±×¶ó¿îµå·Î ½ÇÇà ½ÃÅ´
--pidfile FILE pid ÆÄÀÏ »ý¼ºÀ§Ä¡


¼³Á¤¹æ¹ý

½½·¹ÀÌºê ¼­¹ö

rsyncd¸¦ ¼­ºñ½º¿¡ Ãß°¡½ÃÄÑ rsyncÁ¢¼ÓÀÌ °¡´ÉÇϵµ·Ï ÇÑ´Ù

/etc/rsyncd.conf -->

[HOME]
path = /home/test
uid = root
gid = root
use chroot = yes
read only = no                      # ¸¶½ºÅÍ¿¡¼­ ¹èÆ÷½Ã ¾²±â°¡ °¡´ÉÇØ¾ß ÇÑ´Ù
max connections = 4
hosts allow = 192.168.0.1         # ¸¶½ºÅÍ ¼­¹ö¿¡¼­¸¸ Á¢¼ÓÀÌ °¡´ÉÇϵµ·Ï ¼³Á¤


À§¿Í °°ÀÌ ¸¶½ºÅͼ­¹ö¿¡¼­¸¸ rsync µ¥¸ó¸¸ ÀÌ¿ëÇÒ¼öÀÖµµ·Ï ÇÏ¸ç ¸¶½ºÅÍ¿¡¼­ ÆÄÀÏÀ» ½½·¹À̺ê·Î ¾²´Â ÇüÅÂÀ̹ǷΠ¾²±â¿øÇÑÀ» ÁÖ¾î¾ßÇÑ´Ù

¼¼ÆÃÈÄ rsync µ¥¸óÀ» ½ÃÀÛÇÑ´Ù .


¸¶½ºÅÍ ¼­¹ö

µ¥¸ó Á÷Á¢ ¶ç¿ì±â
# lsyncd /home/test/ 192.168.0.3::HOME/test

¼³Á¤ÆÄÀÏÀ» ÀÌ¿ëÇÏ¿© ½ÇÇà½ÃÅ°±â
/etc/lsyncd.conf.xml ÆÄÀÏÀ» »ý¼ºÇÏ¿©

£¼lsyncd version="1">
  £¼settings>
    £¼logfile      filename="/var/log/lsyncd"/>
    £¼binary       filename="/usr/bin/rsync"/>
    £¼callopts>
      £¼option text="-az%r"/>
      £¼option text="--delete"/>
    £¼/callopts>
  £¼/settings>
  £¼directory>
    £¼source path="/home/test/"/>
    £¼target path="192.168.0.2::HOME/"/>
  £¼/directory>
£¼/lsyncd>

¼³Á¤ ÆÄÀÏÀ» ÀÛ¼ºÇÏ°í

/etc/rc.d/init.d/lsyncd ÆÄÀÏÀ» »ý¼ºÇÏ¿©

#!/bin/bash
# description: lsyncd auto start script

start() {
  pid=`pidof lsyncd`
  if [ $? -eq 0 ]; then
    echo "lsyncd (pid $pid) is running..."
    echo " "
  else
    echo "Starting lsyncd..."
    echo " "
    /usr/bin/lsyncd
  fi
}


stop() {
  echo "Stopping lsyncd..."
  echo " "

   /bin/kill -9 `/sbin/pidof lsyncd`
   until [ -z $(/sbin/pidof lsyncd) ]; do :; done
}

case "$1" in
  start)
    start
    ;;
  stop)
    stop
    ;;
  restart)
    stop
    start
    ;;
  status)
    pid=`pidof lsyncd`
    if [ $? -eq 0 ]; then
      echo "lsyncd (pid $pid) is running..."
      echo " "
    else
      echo "lsyncd is not running"
      echo " "
    fi
  ;;
  *)
  echo "Usage: lsyncd {start|stop|restart|status}"
  exit 1
esac

exit $?

À§¿Í °°ÀÌ ÀÛ¼ºÈÄ ½ÇÇàÀÌ °¡´ÉÇÑ ±ÇÇÑÀ¸·Î º¯°æÇÑ´Ù

/etc/rc.d/init.d/lsyncd start¸¦ ÇÏ°Ô µÇ¸é ½ÇÇàµÈ´Ù

½ÇÇàÈÄ
Fri Jul 2 21:35:14 2010: event CLOSE_WRITE:1 triggered.
Fri Jul 2 21:35:14 2010: rsyncing /home/test/ --> 192.168.0.3::HOME/test/
Fri Jul 2 21:35:23 2010: event DELETE:1 triggered.
Fri Jul 2 21:35:23 2010: rsyncing /home/test/ --> 192.168.0.3::HOME/test/

À§ÀÇ ·Î±×¿¡¼­ º¸´Â°Í°ú °°ÀÌ ÆÄÀϽýºÅÛÀÇ À̺¥Æ®¿¡ ÀÇÇØ µ¿±âÈ­°¡ ÀÌ·ç¾îÁø´Ù .
 


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