Change the filesystem on sd cards/usb sticks (was- Permissions)

[Michael Havens]

So it doesn't really matter? I'll leave it then. Thanks for the help.

On Mon, Jan 18, 2016 at 12:50 PM, Matt Graham <mhgraham at crow202.org> wrote:

> On 2016-01-18 10:22, Michael Havens wrote:
>
>> so no go on the sd cards then. what about thumb drives?
>>
>
> Putting non-FAT filesystems on USB disks works just fine.  Most modern
> BIOSes will happily read and boot from an ISO9660 or UDF filesystem that's
> been dd'ed to a USB disk.  An ext3 filesystem on a USB disk is totally
> feasible; my removable backup drives are ext3.  The only real problem with
> using ext3 on a removable disk is that it's a pain to read that disk from
> an OS X machine.  (Windows has ext2ifs, which allows Windows to treat an
> ext3 partition as just another drive.)
>
> I don't think that using ext3 on a flash-memory device would improve the
> device's lifetime though.  Flash-memory devices almost always have
> wear-leveling built in at a level lower than the block device layer.
> Logical sector 1 may be mapped to physical sector 4567, and that mapping
> may change at any time.  They had to do this, because the FAT is always in
> the same set of logical sectors, and is written to frequently.
>
>
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-- 
:-)~MIKE~(-:
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