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<p>Personally I've picked bigger units (# of drives) and this is a
more complex Q, whose ? <br>
I like Drobo, while it is less standard technology, they allow
adding drives (or replacing) as you go, of different sizes
(usually getting bigger)<br>
and can even add another layer of duplication depending on number
of drives.<br>
<br>
Bottom line, the bigger the drive, the worse the cost ($ and data)
of loss potential. <br>
Since you didn't put a price on it or any sense of your in-house
technology) - it's hard to advise more.<br>
Going beyond simple mirroring is usually worth the cost.<br>
<br>
Given that we have a number of personal computers and even local
web/db servers used for projects.<br>
I much prefer NAS - that way you have much more flexibility and
are not tied to a specific computer, <br>
THAT will crap out a some point -- using only Windows mirror I
would totally avoid.<br>
<br>
Note: NAS drives is a reliability measure -- true NAS drives are
for using in regular operations vs lower level drives that are
mainly for backup and a good NAS unit will even turn the drives
off when not used for some time period.<br>
<br>
Where as NAS device means it's on a local network - with if you
have any connection and wifi you (probably) have even if you don't
know it.<br>
</p>
<p>Here is a good graph given by the Drobo people:<br>
<a
href="https://www.drobo.com/storage-products/choose-drive/">https://www.drobo.com/storage-products/choose-drive/</a><br>
<br>
If you go with a higher end system, it's worth getting the
extended service - after all this is about saving your data,<br>
for an extended time.<br>
</p>
<p>Rich<br>
BTW - I have about 42 Tb on 2 drobo units.<br>
</p>
<div class="moz-cite-prefix">On 2/24/2020 12:35 PM, explodingbee .
via Hidden-discuss wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAEgwnuR_Z0ieDgd+n2Fes3F48exiEtqQJS5fvwxHtHBrmYD=WA@mail.gmail.com">
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<div class="gmail_default" style="font-family:trebuchet
ms,sans-serif">Hi folks,<br>
<br>
</div>
<div class="gmail_default" style="font-family:trebuchet
ms,sans-serif">I want to purchase and set up a 10tb RAID1
external hard drive system. (So that would be two 10tb hard
drives mirroring each other.) Someone suggested that I get
a QNAP Tr-002 system (example: <a
href="https://www.newegg.com/qnap-tr-002-us/p/N82E16822099076?Description=qnap%20tr-002&cm_re=qnap_tr-002-_-22-099-076-_-Product&quicklink=true"
moz-do-not-send="true">https://www.newegg.com/qnap-tr-002-us/p/N82E16822099076?Description=qnap%20tr-002&cm_re=qnap_tr-002-_-22-099-076-_-Product&quicklink=true</a>).
Does anyone know if that is a good system? It is less
expensive to get two independent single 10tb external hard
drives and use a mirroring function available as part of
Windows 10 to mirror the two drives but someone advised me
not to trust Windows 10 to do that. Also, I was thinking of
getting SAS drives instead of NAS drives, but that is
apparently a different types of system and I don't know much
about that. Any thoughts on these things? Also, if I do
get NAS drives, which ones are best? Thanks in advance.<br>
<br>
</div>
<div class="gmail_default" style="font-family:trebuchet
ms,sans-serif">-Vincent<br>
</div>
</div>
</div>
<br>
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