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Re: os-prober issue. Not find all distributions on multi boot SSD



On 15/02/2025 at 10:09, Matej Marko wrote:
No, I am not used subvolumes. It is not subvolumes, I think. I created very simple partitions in distribution installer.

Be aware that some distribution installers may implicitly create subvolumes. For example the Debian installer creates a subvolume "@rootfs" for the root filesystem, but Debian's os-prober looks only into the top-level subvolume (or the first mounted subvolume) when probing GNU/Linux systems.

You can check subvolumes in an unmounted btrfs filesystem with:

# mount /dev/sda2 /mnt
# btrfs subvolume list /mnt
# btrfs subvolume get-default /mnt
# umount /mnt


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