Re: Recommendation for filesystem for USB external drive for backups

[David Christensen <dpchrist@holgerdanske.com>]

On 2020-08-13 01:31, David Christensen wrote:
> On 8/12/20 5:14 PM, rhkramer@gmail.com wrote:
> > I'm getting closer to setting up a consistent backup plan, backing up 
> > to an
> > external USB drive.  I'm wondering about a reasonable filesystem to 
> > use, I
> > think I want to stay in the ext2/3/4 family, and I'm wondering if 
> > there is any
> > good reason to use anything beyond ext2?
> >
> > (Some day I'll try ZFS or BTRFS for my "system" filesystems, but don't 
> > see any
> > point (and don't want to learn) either of them at this point -- I 
> > don't see
> > much need for a backup filesystem.)
> >
> > But, I'll listen to opinions ;-)
>
> Without knowing anything about your resources, needs, expectations, 
> "consistent backup plan", etc., and given the choices ext2, ext3, or 
> ext4 for an external USB drive presumably to store backup repositories, 
> I would also pick ext4.

If you want to access the backup drive from foreign operating systems:

https://www.freebsd.org/doc/handbook/filesystems-linux.html

https://www.howtogeek.com/112888/3-ways-to-access-your-linux-partitions-from-windows/

https://apple.stackexchange.com/questions/29842/how-can-i-mount-an-ext4-file-system-on-os-x


David