On Sat, Jul 30, 2022 at 09:37:37PM +0200, Linux-Fan wrote: > pe...@easthope.ca writes: > > > David, > > thanks for the reply. > > > > From: David Wright <deb...@lionunicorn.co.uk> > > Date: Fri, 29 Jul 2022 00:00:29 -0500 > > > When you copy files that have varied permissions onto the FAT, you may > > > get warnings about permissions that can't be honoured. (IIRC, copying > > > ug=r,o= would not complain, whereas u=r,go= would.) > > > > Primary store is an SD card. Rsync is used for backup. Therefore > > this dilema. > > > > * In Linux, an ext file system avoids those complications. To my > > knowledge, all SD cards are preformatted with a FAT. Therefore ext > > requires reformatting. > > FAT or exFAT depending on size, yes. > > > * Most advice about flash storage is to avoid reformatting. > > Unfortunately most or all of this advice is written by software > > people; none, that I recall, from a flash storage manufacturer. > > The only reason for not chosing to format the SD card with a Linux file > system is the lack of compatibility: Other systems (think Windows, Mac, > etc.) will not be able to use the SD card anymore because it will appear > „wrongly formatted” to them.
Rumour goes that the processor in the stick/card can cope better with FAT. I don't know whether it's true, though. Cheers -- t
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