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Re: Debian on flash a store.

On 15/03/18 13:11, David Christensen wrote:
> On 03/14/18 00:28, Richard Hector wrote:
>> On 14/03/18 15:35, David Christensen wrote:
>>> On 03/13/18 17:00, Richard Hector wrote:
>>>> Apologies for the diversion - does anyone know if there are USB flash
>>>> drives that _are_ built for full-time use, as a system disk?
>>>> I've got some old thin clients that could do with storage upgrades that
>>>> are a bit easier to come by than the weird (PATA?) flash modules they
>>>> come with. Obviously I could just hook up an external USB ssd, but I'd
>>>> like to keep the small form factor if I can - then they can go inside
>>>> the case.
>>> https://duckduckgo.com/?q=disk+on+module&t=ffsb&ia=web
>>> http://www.memorydepot.com/ssd_diskonmodule.html
>> Interesting, thanks - it appears that I could replace the existing
>> module after all - and possibly add a SATA one, depending on which way
>> round they are. I'm not entirely sure about the power situation though -
>> there seem to be multiple ways of getting power through the data port;
>> are they all backwards compatible? Does my system need to support it
>> explicitly, or will any old sata port work?
>> I see there are USB DOMs as well, but most/many of them want an internal
>> header rather than a type A socket, which is all I have. And some of
>> them say they're USB 3, backward compatible with USB 2 ... I'm not sure
>> which of my ports are what standard; some of them may even be 1 ...
>> Almost none of these seem to be available locally in New Zealand though,
>> so I'd have to import something, which is a bit more of a hassle.
> There are many disk-on-module form (DOM) factors -- some are generic/
> standard form factors and others are vendor/ model specific.  If your
> thin clients already have PATA DOM's, look up the make/ model and
> purchase compatible replacement/ upgrade parts.
> I have never seen a USB 1 port.  Most pre-USB 2.0 stuff is USB 1.1.

Fair call - I should have said 1.x or something. :-)

> I ran SanDisk Ultra Fit USB 3.0 16 GB flash drives as poor-man's SSD
> system drives for several years, connected to motherboard type A USB
> 3.0, 2.0, and 1.1 ports.  I booted the Debian Installer on CD and
> installed to the USB drive just like any other drive.  Reads were
> noticeably faster than HDD's, but moderate to heavy writes caused GUI
> desktops to become choppy.  I still keep two for diagnostic and rescue
> use -- one with Debian i386 and the other with Debian amd64.  I bought
> them from Amazon, but some retailers might carry them.

Ordinary usb flash drives are easy enough to get, and cheap. I should
probably just try those (planning on 2 in raid). I'm not using them for
anything GUI; the one I have running atm is an openvpn endpoint. There
are many Sandisk and other options - I guess my main consideration is
something slim enough that I can fit two in adjacent ports.


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