If you really need 1Tb now and only spend <$1000 then don't read the rest :-)

If you can live with 500GB and can spend a little more, think about a 500GB SSD 
drive and forget the RAID part, one SSD drive is faster than two mechanical 
drives  (no seek time) and I see no point in mirroring them as the main causes 
for it are gone with flash; no bad sectors, no head crash etc... And you are 
going to backup regularly even if mirroring right?

A search for '500gb ssd' gives OCZ drives for ~ $1500. You can then either get 
an e-sata or firewire enclosure. Or move the internal drive to an external 
enclosure and put the SSD inside if that's were the majority of disk traffic is 
going to be.

The reason I bring this up is that I just replaced the drive on my macbook pro 
with an Intel SSD and altough  it's a smaller one (80GB)  I'm still amazed with 
the performance. My dashboard took >30secs to fully initliaze, now it's more 
like 2 seconds. Eclipse, openoffice and other really slow starters appear in 3 
or 4 seconds. Did I say it's fast?

Henrique

On Dec 14, 2009, at 6:15 PM, Kieran Kelleher wrote:

> Thanks for the warning! Thanks to everyone for responses so far.....
> 
> OK, so regular 4-drive RAID 1+0 is what it will be, either the OWC or one of 
> the ones recommended below.
> 
> Next up ....... eSATA PCI cards for Dual G5 XServe - anyone have any good 
> recommendations? Here is one I found:
> http://www.datoptic.com/cgi-bin/web.cgi?product=eSATA_pcix&detail=yes
> 
> -Regards, Kieran
> 
> On Dec 14, 2009, at 12:47 PM, ACN wrote:
> 
>> Run, don't walk, away from the Drobo.  While the later Firewire based models 
>> may have improved, our interaction with the first gen models went like 
>> this... Plug unit in.  Trust your data to it.  Have no data.  Let me put it 
>> another way.  Drobo came to us for a little dog and pony show.  They left us 
>> our NFR and before the rep made it to the elevator, we broke it so bad he 
>> took it back.  This is a true story.  On of my hardware guys killed the unit 
>> in less than 5 minutes while doing the supposedly supported drive swap.
>> 
>> The OWC device looks nice if you need rack mount storage (I've had no 
>> experience with it).  If you are set on a 4 drive unit, we recommend for our 
>> customers either: ArticRoc 
>> (http://www.rocstor.com/Products/arcticroc-4t.html), the RTX-400 
>> (http://www.wiebetech.com/products/RTX400QR.php), or the HDElement 
>> (http://www.caldigit.com/HDElement/).  The CalDigit stuff we usually use for 
>> video customers so you are likely not looking for that type of transactional 
>> storage.  The others have proven to be flexible and reliable.
>> 
>> Stay away from the Lacie stuff.  Again, many bad experiences (although they 
>> now have a tempting rack mount unit for FC but the price is likely too high 
>> for your needs).  The MyBook drives are also not high on my recommend list.
>> 
>> Hope this helps
>> 
>> R-
>> 
>> 
>> On Dec 14, 2009, at 9:04 AM, Kieran Kelleher wrote:
>> 
>>> Hi All,
>>> 
>>> Looking for suggestions for an economical (< $1000) "poor man's" RAID 1+0 
>>> 4-drive storage solution for a dual 2.0 G5 Xserve that must be used as a 
>>> dedicated database server. It is a cluster node model with just one 
>>> hard-drive bay.
>>> 
>>> It has Firewire 800 ports and 2 PCI-X slots. One PCI slot has a video card, 
>>> one is empty.
>>> 
>>> I was thinking possibly of a esata PCIX card with a OWC 4-drive hardware 
>>> RAID rack unit:
>>> http://www.datoptic.com/cgi-bin/web.cgi?product=eSATA_pcix&detail=yes  - $99
>>> http://eshop.macsales.com/shop/hard-drives/RAID/Rack_Mount/FireWire_eSATA_USB2_RAID
>>>    -   $850 (includes 4 x 500GB enterprise hard drives)
>>> 
>>> There will be 2 slaves continuously replicating for additional data 
>>> protection.
>>> 
>>> Any thoughts or other suggestions?
>>> 
>>> Regards, Kieran
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>> 
> 
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