On 19/01/2019 00:19, Martin Gregorie wrote:
> On Fri, 18 Jan 2019 23:15:12 +0000, Chris Elvidge wrote:
>
>> On 18/01/2019 13:54, NoReply wrote:
>>> On 18/01/2019 20:15, Chris Elvidge wrote:
>>>> Has anyone managed to get their Pi to boot directly from USB attached
>>>> SSD or HDD with (importantly) two (or more) devices attached?
>>>
>>> I don't have an answer for you, but this sounds interesting, can you
>>> please explain why you want this feature, what's the advantage?
>>>
>>> TIA,
>>> NoReply
>>>
>>>
>>>
>> 120GB SSD for System and Music (boot on SD card); I do a lot of
>> temporary files.
>> 5TB HDD for media (TV/Radio downloads, TV/Radio recording) files, with a
>> 50GB partition for backup.
>
> Thats a smaller backup partition that I'd expect. What are you backing
> up: just /home, and how many backup copies?
>
> You do realise, of course, that a permanently online backup scheme like
> that is fairly unsafe because lots of scenarios can kill it along with
> the rest of the system. A better plot would be to backup over an ethernet
> connection to removable storage on a separate system, keeping the backup
> offline when not actually being accessed, and preferably having at least
> tow generations of backup devices.

I do, but didn't think it was relevant to the question "NoReply" asked.

>
> I've just bought a pair of 1TB WD Essentials USB drives. Yes, I know, I
> should have bought them separately so they come from separate production
> batches. So far they're looking good - quite a bit faster than the 320GB
> 2.5" WD Blue drives they replace and that will be too small fairly soon.
> I make offline weekly backups of four systems (3 x 64 bit Fedora, 1 x RPi
> model B) using rsync to put all four backups on the same disk. Both
> backup disks are in a fire safe when not being used, so there is always
> one backup copy in the fire safe.
>
> Paranoid? You bet, when backups are involved.
>
>



--

Chris Elvidge, England

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