[Hidden-tech] external hard drive system

[RA Cohen]

Hi Kimo, again I recommend learning just a bit about ZFS - how it is 
considered by many the ultimate file system with origins in Sun 
Microsystems but still being actively developed and refined in the open 
source world. It is behind many commercial products.

The ease and reliability of local snapshotting has saved my butt many 
times over.

It also makes it relative simple to do a send | receive of block changes 
to a remote off-site server for backups. The operating systems with zfs 
support usually include rsync which further expands your options...

ZFS is part of FreeBSD [underlying FreeNAS], and can also be implemented 
in Linux [although I cannot attest to its ruggedness there]

IRC channels are great resources for ZFS support (and FreeBSD also).

Here's an interesting read: 
https://itsfoss.com/freebsd-interview-deb-goodkin/

and

https://www.freebsd.org/doc/handbook/zfs.html

I've installed FreeBSD on a large variety of hardware and use zfs with 
it extensively ... FreeNAS (or NAS4Free) is there if one wants a more 
appliance-like experience...

Last thing - exporting and importing of zfs pools means one can take, 
for example, a pair of mirrored disks making up a zpool - and move them 
to another piece of completely different hardware - do a zpool import - 
and bingo!, you're ready to roll!

Hope this is helpful,

-Roy

-- 
Network Advantage Associates
Roy A Cohen CEO
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On 2/25/20 9:46 AM, B. Kimo Lee via Hidden-discuss wrote:
> Hi HT,
>
> I’m also interested in a new local backup RAID system. A consultant I 
> work with suggested I look into Synology disk stations. Wondering 
> whether anyone has compared these two?
>
> Best,
> Kimo
>
>
>
> On Feb 24, 2020, at 12:35 PM, explodingbee . via Hidden-discuss 
> <hidden-discuss at lists.hidden-tech.net 
> <mailto:hidden-discuss at lists.hidden-tech.net>> wrote:
>
>> Hi folks,
>>
>> 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: 
>> 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). 
>> 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.
>>
>> -Vincent
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