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documentation: README.md: mention mandatory mounting of subvolid=5

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Axel Burri 2021-07-15 14:30:17 +02:00
parent 5524d16707
commit e110cc3e91
1 changed files with 5 additions and 2 deletions
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README.md
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@ -72,8 +72,8 @@ a full description of the command line options.
[btrbk(1)]: https://digint.ch/btrbk/doc/btrbk.1.html [btrbk(1)]: https://digint.ch/btrbk/doc/btrbk.1.html
Configuration File Configuration
================== =============
Before running `btrbk`, you will need to create a configuration Before running `btrbk`, you will need to create a configuration
file. You might want to take a look at `btrbk.conf.example` provided file. You might want to take a look at `btrbk.conf.example` provided
@ -93,6 +93,9 @@ The examples below assume that the btrfs subvolume containing `home`
and `rootfs` is mounted at `/mnt/btr_pool`. This is usually the btrfs and `rootfs` is mounted at `/mnt/btr_pool`. This is usually the btrfs
root subvolume, which always has `subvolid=5`. root subvolume, which always has `subvolid=5`.
Note that mounting subvolid=5 is *mandatory* if you want to backup
your root filesystem `/`.
/etc/fstab: /etc/fstab:
/dev/sda1 /mnt/btr_pool btrfs subvolid=5,noatime 0 0 /dev/sda1 /mnt/btr_pool btrfs subvolid=5,noatime 0 0