Btrfs: Difference between revisions

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</div>

To convert the existing filesystem (Ext3/4) to Btrfs, boot into a NixOS live system and run following ~~command~~<syntaxhighlight lang="sh">

To convert the existing filesystem (Ext3/4) to Btrfs, boot into a NixOS live system and run the following commandː<syntaxhighlight lang="sh">

fsck -f /dev/sdXY

btrfs-convert /dev/sdXY

</syntaxhighlight>Replace the device path with the target partition. Converting larger filesystems can take a long time.

Next, mount the converted filesystem and chroot into it<syntaxhighlight lang="sh">

Next, mount the converted filesystem and chroot into itː<syntaxhighlight lang="sh">

mount /dev/sdXY /mnt

nixos-enter --root /mnt

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</syntaxhighlight>Apply the changes<syntaxhighlight lang="sh">

nixos-rebuild boot

</syntaxhighlight>~~In case~~ Grub bootloader is used and it doesn't get reinstalled correctly, you can run following command inside ~~chroot~~<syntaxhighlight lang="sh">

</syntaxhighlight>If the Grub bootloader is used and it doesn't get reinstalled correctly, you can run the following command inside chrootː<syntaxhighlight lang="sh">

grub-install /dev/sdX

</syntaxhighlight>If the conversion ~~went~~ successful and no rollback is required, the backup image which was stored by btrfs-convert can be removed ~~with~~<syntaxhighlight lang="sh">

</syntaxhighlight>If the conversion was successful and no rollback is required, the backup image which was stored by btrfs-convert can be removed withː<syntaxhighlight lang="sh">

btrfs subvolume delete /btrfs/ext2_saved

</syntaxhighlight>

[[Category: Configuration]]

[[Category:Filesystem]]

@@ Line 285: / Line 285: @@
 </div>
-To convert the existing filesystem (Ext3/4) to Btrfs, boot into a NixOS live system and run following command<syntaxhighlight lang="sh">
+To convert the existing filesystem (Ext3/4) to Btrfs, boot into a NixOS live system and run the following commandː<syntaxhighlight lang="sh">
 fsck -f /dev/sdXY
 btrfs-convert /dev/sdXY
 </syntaxhighlight>Replace the device path with the target partition. Converting larger filesystems can take a long time.
-Next, mount the converted filesystem and chroot into it<syntaxhighlight lang="sh">
+Next, mount the converted filesystem and chroot into itː<syntaxhighlight lang="sh">
 mount /dev/sdXY /mnt
 nixos-enter --root /mnt
@@ Line 301: / Line 301: @@
 </syntaxhighlight>Apply the changes<syntaxhighlight lang="sh">
 nixos-rebuild boot
-</syntaxhighlight>In case Grub bootloader is used and it doesn't get reinstalled correctly, you can run following command inside chroot<syntaxhighlight lang="sh">
+</syntaxhighlight>If the Grub bootloader is used and it doesn't get reinstalled correctly, you can run the following command inside chrootː<syntaxhighlight lang="sh">
 grub-install /dev/sdX
-</syntaxhighlight>If the conversion went successful and no rollback is required, the backup image which was stored by btrfs-convert can be removed with<syntaxhighlight lang="sh">
+</syntaxhighlight>If the conversion was successful and no rollback is required, the backup image which was stored by btrfs-convert can be removed withː<syntaxhighlight lang="sh">
 btrfs subvolume delete /btrfs/ext2_saved
 </syntaxhighlight>
 [[Category: Configuration]]
 [[Category:Filesystem]]