On Do, 14.12.17 22:17, Michael Chapman (m...@very.puzzling.org) wrote: > On Sun, 10 Dec 2017, Bjørn Forsman wrote: > > On 9 December 2017 at 06:56, Andrei Borzenkov <arvidj...@gmail.com> wrote: > > > [...] > > > Firmware is unaware of MD RAID and each partition is individually and > > > independently writable by firmware. > > > > 1. "Firmware is unaware of MD RAID". I agree. > > 2. "... independently writable by firmware". I don't expect firmware > > to _write_ to the ESP (does it?!). As long as it only reads, nothing > > will get out of sync. > > It's perhaps unlikely for firmware itself to write to the ESP, but certainly > anything launched from the firmware can. One of my boot entries is an EFI > shell, and it can move, copy, read and write files within the ESP. > > I think it's probably wise to avoid software RAID for the ESP.
I think so too. There has been work to teach sd-boot "boot attempt counting", to make chrome-os-like automatic upgrading with safe fallback when the system continously fails to boot available. That too would store the counts in the file system. Lennart -- Lennart Poettering, Red Hat _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/systemd-devel
