On Monday, June 14, 2021 3:50:57 PM EDT Joe Zeff wrote:
> On 6/14/21 1:12 PM, Sreyan Chakravarty wrote:
> > I mean if I backup from BTRFS can I restore it into ext4 ?
>
> Your backup software neither knows nor cares how your filesystem is
> formatted, so of course you can.  Unless, of course, you're cloning the
> partition, in which case a restore will overwrite the partition with the
> original formatting.

I'm pretty sure Chris was correct.  You system is set up to boot from
the btrfs file system -- not ext4.  Changing the file system will
result in needed changes in boot loader, fstab, etc.

Restoring to an ext4 file system will not result in a bootable system.