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For those needing an insane amount of disk space

 
 
thingy
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      09-11-2009
So assume a 6 port on board sata controller, 6 of these and 30 x 2Tb
disks....

48Tb usable with hware raid....if you did software raid....R5(9+1),
54Tb....

http://www.pcssl.co.nz/productdetails.aspx?cmd=740-93

Now that is insane.

but oh so cheap.....in terms of per TB...physical storage of those
disks would be an issue of course...and the psu(s) to get them to spin
up.....

regards

thing
 
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Simon
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      09-11-2009
On Sep 11, 2:56*pm, thingy <(E-Mail Removed)> wrote:
> So assume a 6 port on board sata controller, 6 of these and 30 x 2Tb
> disks....
>
> 48Tb usable with hware raid....if you did software raid....R5(9+1),
> 54Tb....
>
> http://www.pcssl.co.nz/productdetails.aspx?cmd=740-93
>
> Now that is insane.
>
> but oh so cheap.....in terms of per TB...physical storage of those
> disks would be an issue of course...and the psu(s) to get them to spin
> up.....
>
> regards
>
> thing


Pretty cool product! It'd be interesting to see the real-world IO
performance that would result based on the config you've outlined
above.
 
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thingy
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      09-11-2009
On Sep 11, 3:39*pm, Simon <(E-Mail Removed)> wrote:
> On Sep 11, 2:56*pm, thingy <(E-Mail Removed)> wrote:
>
>
>
> > So assume a 6 port on board sata controller, 6 of these and 30 x 2Tb
> > disks....

>
> > 48Tb usable with hware raid....if you did software raid....R5(9+1),
> > 54Tb....

>
> >http://www.pcssl.co.nz/productdetails.aspx?cmd=740-93

>
> > Now that is insane.

>
> > but oh so cheap.....in terms of per TB...physical storage of those
> > disks would be an issue of course...and the psu(s) to get them to spin
> > up.....

>
> > regards

>
> > thing

>
> Pretty cool product! It'd be interesting to see the real-world IO
> performance that would result based on the config you've outlined
> above.


Effectively its one hugh stripe....Raid0((R5(4+1)+(R5(4+1)+(R5(4+1)+(R5
(4+1)+(R5(4+1)+(R5(4+1))

A lot of spindles...but, yes I wouldnt be surprised if its fairly
slow...but it depends on its use...if you just want storage.

regards
 
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Richard
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      09-12-2009
thingy wrote:
> So assume a 6 port on board sata controller, 6 of these and 30 x 2Tb
> disks....
>
> 48Tb usable with hware raid....if you did software raid....R5(9+1),
> 54Tb....
>
> http://www.pcssl.co.nz/productdetails.aspx?cmd=740-93
>
> Now that is insane.
>
> but oh so cheap.....in terms of per TB...physical storage of those
> disks would be an issue of course...and the psu(s) to get them to spin
> up.....



My experiance with port multipliers was not a positive one.

Ended up with 4 esata to sata cables going in the hole the port
multiplier left in the case and 2 2 port esata cards. It seems that
thrashing access to one disk leaves access to the other one very very
laggy, moreso then I would expect. MP3 playback off one disk would
stutter and break up when copying video files between another disk on
the multiplier.
 
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Robin Halligan
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      09-17-2009
On 16 Sep 2009 18:00:46 +1200, vitw wrote:

> On Thu, 10 Sep 2009 19:56:44 -0700, thingy wrote:
>
>> 48Tb usable with hware raid....if you did software raid....R5(9+1),
>> 54Tb....
>>
>> http://www.pcssl.co.nz/productdetails.aspx?cmd=740-93
>>
>> Now that is insane.
>>
>> but oh so cheap.....in terms of per TB...physical storage of those disks
>> would be an issue of course...and the psu(s) to get them to spin up.....

>
> What's the bet that in 2016, Microsoft's "Windows Nebula" OS will need at
> least 18TB to install!


And there will still only be 12 people in the world using Linux
 
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