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протокол_carp [2017/10/09 09:09] val |
протокол_carp [2021/02/03 16:38] val |
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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]] | ||
===== Debian/Ubuntu ===== | ===== Debian/Ubuntu ===== | ||
+ | * [[https://serverfault.com/questions/298776/ucarp-promote-slave-to-master|ucarp: promote slave to master]] | ||
==== Установка ==== | ==== Установка ==== | ||
<code> | <code> | ||
Line 17: | Line 18: | ||
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 26: | ||
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 51: | Line 51: | ||
==== Запуск ==== | ==== Запуск ==== | ||
<code> | <code> | ||
+ | root@nodeN:~# ifdown 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:~# 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) ===== |