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Re: btrfs compression by default



On Tue, 2021-02-09 at 09:50 -0700, Chris Murphy wrote:
> On Tue, Feb 9, 2021 at 9:15 AM Michel Alexandre Salim
> <michel michel-slm name> wrote:
> > There's a further complication: Chris just informed me that on BIOS
> > systems, space is more of a constraint so the zstd module is not part
> > of GRUB ... meaning we have to handle these two scenarios:
> 
> It's available, but it's the 2nd largest GRUB module at ~100KiB. And
> on BIOS we're space limit right now to 1 MiB MBR gap or BIOS Boot
> partition.
> 
> GRUB works fine with a zstd compressed /boot/ but obviously there's
> next to no benefit compared to the added complexity since the kernel
> and initramfs are already compressed.
> 
> So if it's not difficult to exclude compression on /boot/ that's
> probably preferred?
Are we talking about custom partitioning layouts ? 

Because I've just booted a current Rawhide installer and it creates /boot on a separate standard partition
formatted with EXT4 by default, with / and /home on BTRFS.


> 
> 


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