mirror of https://github.com/digint/btrbk
documentation: README.md: mention mandatory mounting of subvolid=5
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@ -72,8 +72,8 @@ a full description of the command line options.
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[btrbk(1)]: https://digint.ch/btrbk/doc/btrbk.1.html
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Configuration File
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==================
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Configuration
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=============
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Before running `btrbk`, you will need to create a configuration
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file. You might want to take a look at `btrbk.conf.example` provided
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@ -93,6 +93,9 @@ The examples below assume that the btrfs subvolume containing `home`
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and `rootfs` is mounted at `/mnt/btr_pool`. This is usually the btrfs
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root subvolume, which always has `subvolid=5`.
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Note that mounting subvolid=5 is *mandatory* if you want to backup
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your root filesystem `/`.
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/etc/fstab:
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/dev/sda1 /mnt/btr_pool btrfs subvolid=5,noatime 0 0
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