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Jesus saves. Buddha does incremental backups. | Jesus saves. Buddha does incremental backups. | ||
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cryptsetup luksOpen /dev/sdb backup | cryptsetup luksOpen /dev/sdb backup | ||
Inside, there is [[Wikipedia:Btrfs|btrfs]] filesystem, I mount using compression. | |||
btrfs | mount -o compress -t btrfs /dev/sdb /mnt/backup | ||
For may backups, I use rsync (with delete) to copy my files to an external hard drive. Vanished files will be deleted. | For may backups, I use rsync (with delete) to copy my files to an external hard drive. Vanished files will be deleted. | ||
rsync -aPv --delete --exclude downloads --exclude music --exclude .cache /home/nomaster/ / | rsync -aPv --delete --exclude downloads --exclude music --exclude .cache /home/nomaster/ /mnt/backup/nomaster/ | ||
After each sync, I make a snapshot of this state of my files. | After each sync, I make a snapshot of this state of my files. | ||
sudo btrfs subvolume snapshot | sudo btrfs subvolume snapshot /mnt/backup/nomaster /mnt/backup/nomaster120331 | ||
Lastly, I unmount the filesystem and close the container. | Lastly, I unmount the filesystem and close the container. | ||
sudo umount / | sudo umount /mnt | ||
sudo cryptsetup luksClose backup | sudo cryptsetup luksClose backup | ||
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Create a BTRFS file system | Create a BTRFS file system | ||
sudo mkfs.btrfs /dev/ | sudo mkfs.btrfs /dev/sdb | ||
Mount it (with compression) | Mount it (with compression) | ||
sudo mount -o compress /dev/ | sudo mount -o compress /dev/sdb /mnt | ||
Create a subvolume | Create a subvolume | ||