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пакет_rsync [2021/11/25 17:20] val [Инкрементное копирование (Incremental Backup)] |
пакет_rsync [2022/03/17 10:49] (current) val [Инкрементное копирование (Incremental Backup)] |
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<code> | <code> | ||
+ | Делаем первый бекап (например, на внешний диск, каталог /home linux системы client1) | ||
+ | |||
# BACKUP_PATH=/mnt/Backups/client1/home/$(date "+%Y-%m-%d_%H:%M:%S")/ | # BACKUP_PATH=/mnt/Backups/client1/home/$(date "+%Y-%m-%d_%H:%M:%S")/ | ||
# mkdir -p $BACKUP_PATH | # mkdir -p $BACKUP_PATH | ||
# rsync -av --del /home/ $BACKUP_PATH | # rsync -av --del /home/ $BACKUP_PATH | ||
+ | |||
+ | Сохраняем линк на него | ||
# LATEST_LINK=/mnt/Backups/client1/home/latest | # LATEST_LINK=/mnt/Backups/client1/home/latest | ||
# ln -s $BACKUP_PATH $LATEST_LINK | # ln -s $BACKUP_PATH $LATEST_LINK | ||
+ | |||
+ | Делаем следующий бекап с использованием линка на предыдущий | ||
# BACKUP_PATH=/mnt/Backups/client1/home/$(date "+%Y-%m-%d_%H:%M:%S")/ | # BACKUP_PATH=/mnt/Backups/client1/home/$(date "+%Y-%m-%d_%H:%M:%S")/ | ||
# mkdir $BACKUP_PATH | # mkdir $BACKUP_PATH | ||
# rsync -av --del /home/ --link-dest $LATEST_LINK $BACKUP_PATH | # rsync -av --del /home/ --link-dest $LATEST_LINK $BACKUP_PATH | ||
+ | |||
+ | Сохраняем линк на него | ||
+ | |||
# rm $LATEST_LINK | # rm $LATEST_LINK | ||
# ln -s $BACKUP_PATH $LATEST_LINK | # ln -s $BACKUP_PATH $LATEST_LINK | ||
+ | |||
+ | Смотрим количество hardlink на файлы, которые не менялись | ||
# ls -aRl $BACKUP_PATH | # ls -aRl $BACKUP_PATH |