• Antergos on a BTRFS (B-tree file system)


    @EarthMind I’d be curious to know how that goes. Yeah. BTRFS is good out of the box, but it takes some tweaking to make it great. XD

  • @Palanthis So I recently bought another Evo SSD to complement my single BTRFS device in a RAID1 setup. My experience with it is not long term like and the setup was very easy to do.

    It’s very easy to create a RAID1 mirror from a single device with the following commands:

    sudo btrfs device add -f /dev/sda /
    sudo btrfs balance start -dconvert=raid1 -mconvert=raid1 /
    

    Where of course /dev/sda has to be changed to the location of the new device and / to the location of the mount point. But I had to use these commands to convert my OS SSD to RAID1. I had to use the force (-f) flag because the command didn’t accept new disks that already contained a filesystem. Be sure to have back-ups of your important data in any case

    For around 170GB it took about 30 minutes to complete at the speed the SSDs could do it. And after that the job was done, no changing fstab or anything else because everything happens in the background. The second device is visible in gnome disks but not as a separate filesystem in system monitor.

    sudo btrfs filesystem show
    

    Shows the dual disk setup for the BTRFS filesystem

    Now I can scrub the disks and repair damaged files where necessary.

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