Quote:
Originally Posted by johnnyorange
im so curious to see how this turns out.
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It turned out ok, though recovery path was painful.
- recreated previously corrupted hbnavi, hbuser and hbmedia partitions
- copied data from E91 disk image backup into these 3 partitions only
- imaged CF card.
I am back to 2020 Maps, but with functional nav.
CF card feels super fast.
I'll do 2023 upgrade later in the fall
CF card clone note
select 8192 block size when using dd on macos to write image back to CF card .
The default 512 is super slow (512K/s with 19MB/s)
Lesson learned
Do not repeat my mistake - have at least one full disk backup before any operation, including map upgrade