1.1inotify

一個 Linux 內核特性，它監控文件系統，並且及時向專門的應用程序發出相關的事件警告，比如刪除、讀、寫和卸載操作等。

2.環境準備

[root@nfs01 ~]# cat /etc/redhat-release

CentOS Linux release 7.2.1511 (Core)

[root@nfs01 ~]# uname -r

3.10.0-327.el7.x86_64

[root@nfs01 ~]# getenforce

Disabled

[root@nfs01 ~]# systemctl status firewalld.service

● firewalld.service - firewalld - dynamic firewall daemon

Loaded: loaded (/usr/lib/systemd/system/firewalld.service; disabled; vendor preset: enabled)

Active: inactive (dead)

[root@nfs01 ~]# ifconfig

eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500

inet 10.0.0.31 netmask 255.255.255.0 broadcast 10.0.0.255

inet6 fe80::20c:29ff:fe7a:66a4 prefixlen 64 scopeid 0x20<link>

ether 00:0c:29:7a:66:a4 txqueuelen 1000 (Ethernet)

RX packets 1195 bytes 283633 (276.9 KiB)

RX errors 0 dropped 0 overruns 0 frame 0

TX packets 198 bytes 24332 (23.7 KiB)

TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

eth1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500

inet 172.16.1.31 netmask 255.255.255.0 broadcast 172.16.1.255

inet6 fe80::20c:29ff:fe7a:66ae prefixlen 64 scopeid 0x20<link>

ether 00:0c:29:7a:66:ae txqueuelen 1000 (Ethernet)

RX packets 0 bytes 0 (0.0 B)

RX errors 0 dropped 0 overruns 0 frame 0

TX packets 10 bytes 744 (744.0 B)

TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536

inet 127.0.0.1 netmask 255.0.0.0

inet6 ::1 prefixlen 128 scopeid 0x10<host>

loop txqueuelen 0 (Local Loopback)

RX packets 0 bytes 0 (0.0 B)

RX errors 0 dropped 0 overruns 0 frame 0

TX packets 0 bytes 0 (0.0 B)

TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

3.NFS服務器部署inotify服務

3.1安裝inotify

[root@nfs01 ~]# yum install -y inotify-tools

3.2編寫實時同步腳本

[root@nfs01 ~]# cat /server/scripts/inotify.sh

#!bin/bash

inotifywait -mrq --format "%w%f" -e create,close_write,delete,moved_to /data/|\

while read zy

do

rsync -az /data/ --delete [email protected]::backup --password-file=/etc/rsync.password

done

4.測試

4.1運行腳本

[root@nfs01 ~]# sh /server/scripts/inotify.sh

4.2在NFS服務器的/data目錄創建測試文檔

[root@nfs01 data]# touch test.txt

[root@nfs01 data]# ls

test.txt

4.3rsync服務器的/backup目錄查看

[root@backup ~]# ls /backup/

test.txt

CentOS 7 部署inotify實時監控（NFS服務器上部署，rsync服務器測試）