User Tools
команды_dump_restore
Differences
This shows you the differences between two versions of the page.
|
команды_dump_restore [2011/02/24 11:39] val created |
команды_dump_restore [2013/05/22 13:50] |
||
|---|---|---|---|
| Line 1: | Line 1: | ||
| - | ====== Команды dump restore ====== | ||
| - | |||
| - | ===== Бекап раздела ===== | ||
| - | <code> | ||
| - | # dump 0 -aLf /mnt/home.dmp /home | ||
| - | </code> | ||
| - | |||
| - | ===== Восстановление отдельного каталога/файла ===== | ||
| - | <code> | ||
| - | # cd /tmp | ||
| - | |||
| - | # restore -xf /mnt/home.dmp /home/user1/ | ||
| - | ... | ||
| - | Specify next volume #: 1 | ||
| - | set owner/mode for '.'? [yn] y | ||
| - | |||
| - | # ls /tmp/home/user1/ | ||
| - | |||
| - | # restore -if /mnt/home.dmp | ||
| - | restore > cd home | ||
| - | restore > add user1 | ||
| - | restore > extract | ||
| - | ... | ||
| - | Specify next volume #: 1 | ||
| - | set owner/mode for '.'? [yn] y | ||
| - | restore > quit | ||
| - | |||
| - | # ls /tmp/home/ | ||
| - | </code> | ||
| - | |||
| - | ===== Восстановление всего раздела ===== | ||
| - | <code> | ||
| - | # cd /home | ||
| - | |||
| - | # restore -rf /mnt/home.dmp | ||
| - | </code> | ||
| - | |||
| - | ===== Сценарий: резервное копирование и восстановление операционной системы FreeBSD ===== | ||
| - | |||
| - | ==== Планирование ==== | ||
| - | <code> | ||
| - | part mount util file size | ||
| - | |||
| - | a / dump root.dmp 138Mb | ||
| - | d /var/ dump var.dmp 34Mb | ||
| - | e /usr/ tar usr.tgz 230Mb (без /usr/ports) | ||
| - | </code> | ||
| - | |||
| - | ==== Резервное копирование ==== | ||
| - | <code> | ||
| - | [hostX:~] # rsh -l uX gZ "touch root.dmp" | ||
| - | [hostX:~] # dump 0 -aLf uX@gZ:root.dmp / | ||
| - | DUMP: Connection to gZ.class established. | ||
| - | ... | ||
| - | DUMP: DUMP IS DONE | ||
| - | |||
| - | [hostX:~] # rsh -l uX gZ "touch var.dmp" | ||
| - | [hostX:~] # dump 0 -aLf uX@gZ:var.dmp /var | ||
| - | DUMP: Connection to gZ.class established. | ||
| - | ... | ||
| - | DUMP: DUMP IS DONE | ||
| - | |||
| - | |||
| - | [hostX:~] # cd /usr | ||
| - | [hostX:/usr] # tar –czvf - --exclude ports/ . | rsh -l uX gZ "cat > usr.tgz" | ||
| - | </code> | ||
| - | |||
| - | ==== Восстановление ==== | ||
| - | |||
| - | |||
| - | === Загружаем систему с livecd === | ||
| - | |||
| - | При использовании FreeBSD livefs диска выбираем пункты меню: | ||
| - | <code> | ||
| - | "Fixit" -> CDROM/DVD -> Alt-F4 | ||
| - | </code> | ||
| - | |||
| - | При использовании frenzy livecd в процессе загрузки указываем опцию | ||
| - | <code> | ||
| - | nohdd | ||
| - | </code> | ||
| - | |||
| - | === Настраиваем и тестируем сеть === | ||
| - | |||
| - | <code> | ||
| - | Fixit# ifconfig rl0 inet 10.10.106.X/24 | ||
| - | Fixit# ping 10.10.106.Z | ||
| - | ... | ||
| - | </code> | ||
| - | Добавляем упоминание сервиса rsh в файл /etc/services | ||
| - | <code> | ||
| - | Fixit# cat >> /etc/services | ||
| - | shell 514/tcp | ||
| - | <Ctrl>-D | ||
| - | </code> | ||
| - | |||
| - | === Создаем файловую систему на новом диске === | ||
| - | |||
| - | Используем sysinstall вместо утилит fdisk, bootmgr, bsdlabel и newfs | ||
| - | <code> | ||
| - | Fixit# sysinstall | ||
| - | Configure | ||
| - | Fdisk | ||
| - | C - Create Slise | ||
| - | S - Set Bootable | ||
| - | W - Write changes | ||
| - | BootMgr | ||
| - | Quit | ||
| - | Exit | ||
| - | Exit Install | ||
| - | |||
| - | Fixit# /stand/sysinstall | ||
| - | Configure | ||
| - | Label | ||
| - | C - Create | ||
| - | 500M | ||
| - | FS | ||
| - | /mnt/a (will be "/") | ||
| - | S - Toggle Softupdates | ||
| - | C - Create | ||
| - | 500M | ||
| - | FS | ||
| - | /mnt/b | ||
| - | C - Create | ||
| - | 3G | ||
| - | FS | ||
| - | /mnt/d (will be "/usr") | ||
| - | C - Create | ||
| - | FS | ||
| - | /mnt/e (will be "/var") | ||
| - | W - Write | ||
| - | Q - Finish | ||
| - | Exit | ||
| - | Exit Install | ||
| - | |||
| - | Fixit# mount | ||
| - | /dev/md0 on / (ufs, local) | ||
| - | devfs on /dev (devfs, local) | ||
| - | /dev/acd0 on /dist (cd9660, local, read-only) | ||
| - | /dev/ad0s2d on /mnt/a (ufs, local) | ||
| - | /dev/ad0s2e on /mnt/b (ufs, local, soft-updates) | ||
| - | /dev/ad0s2f on /mnt/d (ufs, local, soft-updates) | ||
| - | /dev/ad0s2g on /mnt/e (ufs, local, soft-updates) | ||
| - | </code> | ||
| - | |||
| - | === Восстанавливаем файлы === | ||
| - | |||
| - | === / раздел === | ||
| - | <code> | ||
| - | Fixit# cd /mnt/a | ||
| - | Fixit# restore -rf uX@10.10.106.Z:root.dmp | ||
| - | </code> | ||
| - | |||
| - | При необходимости можно откорректировать востановленные файлы конфигурации | ||
| - | <code> | ||
| - | Fixit# ee /mnt/a/etc/rc.conf | ||
| - | |||
| - | Fixit# ee /mnt/a/etc/fstab | ||
| - | </code> | ||
| - | |||
| - | === /var раздела === | ||
| - | <code> | ||
| - | Fixit# cd ../e | ||
| - | Fixit# restore -rf uX@10.10.106.Z:var.dmp | ||
| - | </code> | ||
| - | |||
| - | === /usr раздел === | ||
| - | <code> | ||
| - | Fixit# cd ../d | ||
| - | |||
| - | Fixit# rsh -l uX 10.10.106.Z "cat usr.tgz" | tar -xvf – | ||
| - | </code> | ||
| - | |||
| - | === Исправляем имена разделов === | ||
| - | <code> | ||
| - | Fixit# umount /mnt/a | ||
| - | Fixit# umount /mnt/b | ||
| - | Fixit# umount /mnt/d | ||
| - | Fixit# umount /mnt/e | ||
| - | |||
| - | Fixit# bsdlabel ad0s2 | ||
| - | # /dev/ad0s2: | ||
| - | 8 partitions: | ||
| - | # size offset fstype [fsize bsize bps/cpg] | ||
| - | c: 10474317 0 unused 0 0 # "raw" part, don't edit | ||
| - | d: 1024000 0 4.2BSD 2048 16384 64008 | ||
| - | e: 1024000 1024000 4.2BSD 2048 16384 64008 | ||
| - | f: 6291456 2048000 4.2BSD 2048 16384 28552 | ||
| - | g: 2X4861 8339456 4.2BSD 2048 16384 28552 | ||
| - | |||
| - | Fixit# EDITOR=ee | ||
| - | </code> | ||
| - | |||
| - | Редактируем имена разделов | ||
| - | <code> | ||
| - | Fixit# bsdlabel -e ad0s2 | ||
| - | # /dev/ad0s2: | ||
| - | 8 partitions: | ||
| - | # size offset fstype [fsize bsize bps/cpg] | ||
| - | a: 1024000 0 4.2BSD 2048 16384 64008 | ||
| - | b: 1024000 1024000 4.2BSD 2048 16384 64008 | ||
| - | c: 10474317 0 unused 0 0 # "raw" part, don't edit | ||
| - | d: 6291456 2048000 4.2BSD 2048 16384 28552 | ||
| - | e: 2X4861 8339456 4.2BSD 2048 16384 28552 | ||
| - | </code> | ||
| - | |||
| - | === Восстановливаем загрузчики boot0 и boot2 === | ||
| - | <code> | ||
| - | Fixit# sysinstall | ||
| - | Configure | ||
| - | Fdisk | ||
| - | Set bootable | ||
| - | Write | ||
| - | Boot Manager | ||
| - | Exit | ||
| - | Exit Install | ||
| - | Reboot in new system: | ||
| - | Fixit# exit | ||
| - | </code> | ||
команды_dump_restore.txt · Last modified: 2013/05/22 13:50 (external edit)
Page Tools
Except where otherwise noted, content on this wiki is licensed under the following license: CC Attribution-Share Alike 4.0 International
