Re: VFAT vs. umask.
> ... reformat the card to an ext format and you can forget about that.
According to several other messages, alignment and block size are concerns.
> So "primary store" probably means Master Copy of Your Data.
https://en.wiktionary.org/wiki/primary#Adjective sense 2.
https://en.wiktionary.org/wiki/master#Adjective sense 2.
https://en.wiktionary.org/wiki/store#Noun sense 4.
> ... copy it off the SD onto a hard drive to work on it, then put it
> back (hopefully with care, not overwriting, and thorough flushing [1}.
I never do that. I use a file on the SD just as if on a spinning hdd.
To shut the machine down I don't just pull the power plug. I use
shutdown so that files can be closed and devices can be unmounted.
> ... when the card fails[2], you have a backup already, almost by
> definition.
Correct. Rsync was mentioned a few days ago.
> They're cheap; I'd use two [SD cards] anyway.
I have two. As mentioned at the beginning of the thread, one is about
a decade old. The other purchased recently.
Thx, ... P.
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https://en.wikibooks.org/wiki/User:PeterEasthope
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