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протокол_carp [2016/04/21 12:38] val [Настройка] |
протокол_carp [2021/07/08 08:04] admin [Проверка] |
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====== Протокол CARP ====== | ====== Протокол CARP ====== | ||
- | * [[https://ru.wikipedia.org/wiki/VRRP]] | + | * [[https://ru.wikipedia.org/wiki/VRRP|VRRP]] |
- | * [[https://ru.wikipedia.org/wiki/CARP]] | + | * [[https://ru.wikipedia.org/wiki/CARP|CARP]] |
* [[Сервис NTP]] | * [[Сервис NTP]] | ||
- | ===== Ubuntu ===== | + | ===== Debian/Ubuntu ===== |
+ | * [[https://serverfault.com/questions/298776/ucarp-promote-slave-to-master|ucarp: promote slave to master]] | ||
+ | * [[https://askubuntu.com/questions/1149275/using-netplan-with-ucarp|Using netplan with ucarp]] + systemd | ||
==== Установка ==== | ==== Установка ==== | ||
<code> | <code> | ||
- | root@nodeN:~# apt-get install ucarp | + | root@nodeN:~# apt install ucarp |
</code> | </code> | ||
Line 17: | Line 19: | ||
root@nodeN:~# less /etc/network/if-up.d/ucarp | root@nodeN:~# less /etc/network/if-up.d/ucarp | ||
- | |||
- | root@nodeN:~# ifdown eth0 | ||
root@nodeN:~# cat /etc/network/interfaces | root@nodeN:~# cat /etc/network/interfaces | ||
Line 27: | Line 27: | ||
address 192.168.X.N | address 192.168.X.N | ||
netmask 255.255.255.0 | netmask 255.255.255.0 | ||
+ | |||
ucarp-vid 1 | ucarp-vid 1 | ||
ucarp-vip 192.168.X.254 | ucarp-vip 192.168.X.254 | ||
Line 36: | Line 37: | ||
... | ... | ||
</code><code> | </code><code> | ||
- | root@nodeN:~# cat /usr/share/ucarp/vip-up | + | root@nodeN:~# less /usr/share/ucarp/vip-up |
</code><code> | </code><code> | ||
#!/bin/sh | #!/bin/sh | ||
Line 42: | Line 43: | ||
/sbin/ifup $1:ucarp | /sbin/ifup $1:ucarp | ||
</code><code> | </code><code> | ||
- | root@nodeN:~# cat /usr/share/ucarp/vip-down | + | root@nodeN:~# less /usr/share/ucarp/vip-down |
</code><code> | </code><code> | ||
#!/bin/sh | #!/bin/sh | ||
Line 51: | Line 52: | ||
==== Запуск ==== | ==== Запуск ==== | ||
<code> | <code> | ||
+ | root@nodeN:~# ifdown --force eth0 | ||
+ | |||
root@nodeN:~# ifup eth0 | root@nodeN:~# ifup eth0 | ||
</code> | </code> | ||
==== Проверка ==== | ==== Проверка ==== | ||
+ | |||
+ | * [[Сигналы#Отправка сигнала]] | ||
+ | |||
<code> | <code> | ||
root@nodeN:~# ps ax | grep carp | root@nodeN:~# ps ax | grep carp | ||
root@nodeN:~# ifconfig eth0:ucarp | root@nodeN:~# ifconfig eth0:ucarp | ||
+ | |||
+ | root@nodeN:~# pkill -USR1 ucarp | ||
+ | |||
+ | root@nodeN:~# killall -USR1 ucarp | ||
+ | |||
+ | root@nodeN:~# grep carp /var/log/syslog | ||
</code> | </code> | ||
- | === Остановка === | + | ==== Смена ролей узлов ==== |
<code> | <code> | ||
- | root@nodeN:~# ifdown eth0:ucarp | + | wincmd:\> arp -a |
+ | |||
+ | masternode# killall -USR2 ucarp | ||
+ | |||
+ | wincmd:\> arp -a | ||
</code> | </code> | ||
+ | |||
===== FreeBSD (user land) ===== | ===== FreeBSD (user land) ===== | ||
Line 86: | Line 103: | ||
ucarp_addr="192.168.X.254" | ucarp_addr="192.168.X.254" | ||
ucarp_pass="secret" | ucarp_pass="secret" | ||
+ | ucarp_upscript="/usr/local/sbin/ucarp-up" | ||
+ | ucarp_downscript="/usr/local/sbin/ucarp-down" | ||
</code><code> | </code><code> | ||
[nodeN:~] # cat /usr/local/sbin/ucarp-up | [nodeN:~] # cat /usr/local/sbin/ucarp-up | ||
</code><code> | </code><code> | ||
#!/bin/sh | #!/bin/sh | ||
- | ifconfig em0 inet 192.168.X.254/32 alias | + | ... |
+ | /sbin/ifconfig "$1" alias "$2" netmask 255.255.255.255 | ||
</code><code> | </code><code> | ||
[nodeN:~] # cat /usr/local/sbin/ucarp-down | [nodeN:~] # cat /usr/local/sbin/ucarp-down | ||
</code><code> | </code><code> | ||
#!/bin/sh | #!/bin/sh | ||
- | ifconfig em0 inet 192.168.X.254/32 -alias | + | ... |
+ | /sbin/ifconfig "$1" -alias "$2" | ||
+ | ... | ||
</code><code> | </code><code> | ||
[nodeN:~] # service ucarp start | [nodeN:~] # service ucarp start |