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.
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