On Sat, Feb 6, 2021 at 10:38 AM G.W. Haywood via BackupPC-users
<backuppc-users@lists.sourceforge.net> wrote:
> Frankly I don't know. Like Mr. Mikesell I've had good experience with
> the tools for EXT4, but my wife has managed to trash at least one EXT4
> partition by simply plugging a USB device into a powered USB hub which
> at the time happened to be supporting the USB disc drive on a Pi4B.
Just as another anecdote, I have run one or more USB drives connected
to an imac for time machine backups and extra storage for many, many
years and while I've never seen anything that I blame on 'generic USB'
connections, I have had several drive hardware failures and one
instance of one port on a powered USB hub going bad with intermittent
failures causing disc corruption.
As a side note, I've come to appreciate a feature of the mac's time
machine that was added at some point and I don't think it was very
well publicized. If you connect 2 drives configured as time machine
backups and keep them both connected it will automatically alternate
between them. Since it runs every hour, I think this is a more robust
scheme than using raid for redundancy with the things that can go
wrong in raid recovery.
--
Les Mikesell
lesmikes...@gmail.com
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