On Tue, 2021-02-09 at 19:40 +0100, Martin Kolman wrote: > 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@xxxxxxxxxxxxxxx> 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. > Yup, the "being able to keep /boot uncompressed" is mostly to make sure people who do custom layouts (and are using BIOS instead of UEFI) don't get in a bad state. Thanks, -- Michel Alexandre Salim profile: https://keyoxide.org/michel@xxxxxxxxxxxxxxx chat via email: https://delta.chat/ GPG key: 5DCE 2E7E 9C3B 1CFF D335 C1D7 8B22 9D2F 7CCC 04F2
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