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heartbeat_plus_gmirror_ggate
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heartbeat_plus_gmirror_ggate [2010/04/20 10:54] val |
heartbeat_plus_gmirror_ggate [2013/05/22 13:50] |
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| - | ====== HEARTBEAT plus GMIRROR GGATE ====== | ||
| - | |||
| - | ===== ЗАпуск и автозапуск ggated ===== | ||
| - | <code> | ||
| - | [gateN:~] # ggated | ||
| - | |||
| - | [gateN:~] # cat /etc/rc.local | ||
| - | ggated | ||
| - | </code> | ||
| - | |||
| - | ===== Настройка heartbeat ===== | ||
| - | <code> | ||
| - | [gateN:~] # /usr/local/etc/rc.d/heartbeat stop | ||
| - | |||
| - | [gateN:~] # cat /usr/local/etc/ha.d/haresources | ||
| - | gate2.corpX.un gmirror | ||
| - | </code><code> | ||
| - | [gateN:~] # cat /usr/local/etc/ha.d/resource.d/gmirror | ||
| - | </code><code> | ||
| - | #!/bin/sh | ||
| - | |||
| - | case $1 in | ||
| - | status) | ||
| - | # status is not defined, let it be backup | ||
| - | ps ax | grep -v grep | grep -q gated || ggated | ||
| - | ;; | ||
| - | start) | ||
| - | # stop backup service | ||
| - | ps ax | grep -v grep | grep -q gated && killall -9 ggated | ||
| - | # in some case start run twise | ||
| - | kldstat | grep -q geom_mirror || ( | ||
| - | gmirror load | ||
| - | sleep 5 | ||
| - | gmirror status | grep -q DEGRADED && \ | ||
| - | gmirror forget gm0 || \ | ||
| - | gmirror label -v gm0 /dev/ad1s1e | ||
| - | fsck -y -t ufs /dev/mirror/gm0 | ||
| - | mount /dev/mirror/gm0 /opt | ||
| - | ) | ||
| - | ;; | ||
| - | stop) | ||
| - | kldstat | grep -q geom_mirror && ( | ||
| - | # this is master | ||
| - | umount /opt | ||
| - | gmirror status | grep -q ggate0 && gmirror deactivate gm0 ggate0 | ||
| - | gmirror deactivate gm0 ad1s1e | ||
| - | gmirror unload | ||
| - | ggatec list | grep -q ggate0 && ggatec destroy -u 0 | ||
| - | ps ax | grep -v grep | grep -q ggatec && killall -9 ggatec | ||
| - | ) | ||
| - | ps ax | grep -v grep | grep -q gated || ggated | ||
| - | ;; | ||
| - | esac | ||
| - | |||
| - | exit 0 | ||
| - | </code><code> | ||
| - | [gateN:~] # chmod +x /usr/local/etc/ha.d/resource.d/gmirror | ||
| - | </code><code> | ||
| - | [gateN:~] # /usr/local/etc/rc.d/heartbeat start | ||
| - | </code> | ||
| - | |||
| - | ===== Автоматизация подключения диска backup ===== | ||
| - | <code> | ||
| - | [gateN:~] # mkdir /usr/local/etc/scripts/ | ||
| - | |||
| - | [gateN:~] # cat /usr/local/etc/scripts/gmirror | ||
| - | </code><code> | ||
| - | #!/bin/sh | ||
| - | |||
| - | # check if node is master | ||
| - | /sbin/kldstat | grep -q geom_mirror || exit 0 | ||
| - | |||
| - | # chech if mirror is complete | ||
| - | /sbin/gmirror status | grep -q ggate0 && \ | ||
| - | /sbin/gmirror status | grep -q 'COMPLETE' && \ | ||
| - | exit 0 | ||
| - | |||
| - | # check if backup node is not dead | ||
| - | /usr/local/bin/cl_status nodestatus gate1.corpX.un 2>/dev/null | grep -q dead && exit 0 | ||
| - | /usr/local/bin/cl_status nodestatus gate2.corpX.un 2>/dev/null | grep -q dead && exit 0 | ||
| - | |||
| - | # create ggate connect to slave node hdd | ||
| - | /sbin/ggatec list | grep -q ggate0 || ( | ||
| - | /sbin/ggatec create -t 10 -u 0 slave /dev/ad1s1e || exit 0 | ||
| - | ) | ||
| - | |||
| - | # connect slave hdd to mirror | ||
| - | /sbin/gmirror status | grep -vq ggate0 && /sbin/gmirror insert gm0 ggate0 | ||
| - | |||
| - | # check is sync nodes in progress | ||
| - | /sbin/gmirror status | grep -q '%' && exit 0 | ||
| - | |||
| - | # reconnect slave hdd to mirror | ||
| - | /sbin/gmirror status | grep -q 'DEGRADED' && ( | ||
| - | /sbin/gmirror forget gm0 | ||
| - | /sbin/gmirror insert gm0 ggate0 | ||
| - | ) | ||
| - | </code><code> | ||
| - | [gateN:~] # chmod +x /usr/local/etc/scripts/gmirror | ||
| - | </code><code> | ||
| - | [gateN:~] # crontab -l | ||
| - | * * * * * /usr/local/etc/scripts/gmirror | ||
| - | </code> | ||
| - | |||
| - | ===== Восстановление backup сервера ===== | ||
| - | |||
| - | - Подключаем новый hdd | ||
| - | - Загружаем однопользователский режим | ||
| - | - Создаем на диске раздел s1e | ||
| - | - Продолжаем загрузку | ||
heartbeat_plus_gmirror_ggate.txt · Last modified: 2013/05/22 13:50 (external edit)
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