Rsync+inotify Real-time monitoring backup

Note that the following inotify is built on the rsync configuration process

The premise is that the Rsync daemon is configured successfully, rsync configuration looks at the blog post, the client can pull the data, and then to configure the INotify service----inotify is installed on the client, listening to the directory that needs to be backed up, and then pushed to the server

See if the current system supports inotify

[Email protected] bier]# uname-r

2.6.32-431.el6.i686

[Email protected] bier]# ls-l/proc/sys/fs/inotify/

Xüóá0

-rw-r--r--1 root root 0 22:30 max_queued_events

-rw-r--r--1 root root 0 22:30 max_user_instances

-rw-r--r--1 root root 0 22:30 max_user_watches

#显示着三个文件证明支持

First, the installation of INotify services

1) Download INotify source Package

[Email protected] src]# CD/USR/LOCAL/SRC

Tip: Download Inotify-tools

Inotify-tools-3.14.tar.gz

2) Compile and install INotify

[Email protected] src]# TAR-XVF inotify-tools-3.14.tar.gz

[Email protected] src]# CD inotify-tools-3.14

[Email protected] inotify-tools-3.14]#/configure--prefix=/usr/local/inotify-tools-3.14

Make&make Install

[[email protected] local]# ls

Bin Games Lib Python share

etc include inotify-tools-3.14 libexec sbin src

[Email protected] local]# CD inotify-tools-3.14/

[email protected] inotify-tools-3.14]# LL

Total 16

Drwxr-xr-x. 2 root root 4096 03:21 bin = = "INotify Execute command

Drwxr-xr-x. 3 root root 4096 03:21 include = = "header file

Drwxr-xr-x. 2 root root 4096 03:21 lib = = "Dynamic link library file

Drwxr-xr-x. 4 root root 4096 03:21 share = = "Help document

INotify Common Parameters Command detailed

[Email protected] inotify-tools-3.14]#./bin/inotifywait–help

Second, test inotify

Test the Create File

[Email protected] local]#/usr/local/inotify-tools-3.14/bin/inotifywait-mrq--timefmt '%d/%m/%y%h:%m '--format '%T%w %f '-e create/data

10/11/15 03:35/data/backup.bat

Tip: This command is a inotify monitored command, M is continuous listening, R is recursive, Q is only the print event, followed by the time format

-E is the specified time to listen, and data is the monitored directory

Also open a new window in the data directory to create a file touch Backup.bat found above the monitoring of the backup directory changed

The following actions need to open another window to create, delete, modify the file test

Test Delete

[Email protected] local]#/usr/local/inotify-tools-3.14/bin/inotifywait-mrq--timefmt '%d/%m/%y%h:%m '--format '%T%w %f '-e delete/data

Test Close_write (Write a file to listen, that is, the prompt after writing)

[Email protected] ~]$/usr/local/inotify-tools-3.14/bin/inotifywait-mrq--timefmt '%d/%m/%y%h:%m '--format '%T%w%f '- E Close_write/data

10/11/15 04:04/data/aa.log

Remove the time format display to simplify

[Email protected] ~]$/usr/local/inotify-tools-3.14/bin/inotifywait–mrq--format '%w%f '-e cteate/data

Three, simple monitoring backup script

Vim backup.sh

Cmd= "/usr/local/inotify-tools-3.14/bin/inotifywait"

$cmd-mrq--format '%w%f '-e create,close_write,delete/data|\

While Read line

Do

Rsync-az $line [Email protected]::bier--password-file=/etc/rsync.password

Done

Give the line a row at the back of the pipeline, because if the backup changes is a path, the above experiment

Hint: Listen to the backup script in real time, for the files in the backup directory, this script can not be deleted, because he is not for the directory backup

Improved backup.sh

Vim backup1.sh

Cmd= "/usr/local/inotify-tools-3.14/bin/inotifywait"

$cmd-mrq--format '%w%f '-e create,close_write,delete/data|\

While Read line

Do

[!-e "$line"] && continue

Rsync-az--delete $line [email protected]::bier--password-file=/etc/rsync.password

Done

When the file does not exist, it continue and avoids errors, so this script can be used to create a simple file backup using

Four, according to the directory real-time monitoring backup

host=192.168.3.188

Src=/data

Dst=bier

User=rsync_backup

Rsync_passfile=/etc/rsync.password

inotify_home=/usr/local/inotify-tools-3.14/

if [!-e "$src"] \

|| [!-e "${rsync_passfile}"] \

|| [!-e "${inotify_home}/bin/inotifywait"] \

|| [!-e "/usr/bin/rsync"];

Then

echo "Check File and Folder"

Exit 9

Fi

${inotify_home}/bin/inotifywait-mrq--format '%w%f '-e create,close_write,delete,attrib/$src |\

While Read line

Do

CD $src && rsync-aruz-r--delete/--timeout=100 [email protected] $host:: $dst--password-file=${rsync_passfile } >/dev/null 2>&1

Done

Exit 0

Increase key parameters

[Email protected] scripts]# cat/proc/sys/fs/inotify/max_user_watches

8192

[Email protected] scripts]# cat/proc/sys/fs/inotify/max_queued_events

16384

This article is from the "Bill Linux Operations Notes" blog, please be sure to keep this source http://chenshoubiao.blog.51cto.com/6159058/1881341

Rsync+inotify Real-time monitoring backup