New drives help for APPLE RAID Card RAID Redo

Hi,
I've been happily using an Apple 3,1 MacPro with Apple RAID Card installed and connected to 4-500 GB Apple OEM drives. I'd like to redo my setup and replace the Apple drives with bigger drives. Someone said I could only use up to 2 TB drives - is this correct?
Has anyone done this or anything like it using Seagate Drives that are not Apple OEM. Will that work OK or will the Apple RAID Card want to see Apple OEM drives? Apple sells 2TB Seagates, but they cost a lot compared to non-OEM drives, but will cheaper generic Seagate Barracuddas work OK in every way?
Also, after accomplishing this upgrade, I'd like to upgrade this machine to the latest Lion and possibly even Moutain Lion System Software. Any issues perceived?
To reiterate, I'd like to increase my storage to the max in my Early 2008 MacPro3,1 which has the Apple RAID Card utilizing a RAID5. This is spec'd at "4 - 3.0 Gbps Serial ATA (SATA) controllers" but no mention is made of what the MAX Size drives that will be addressed by the RAID Card.
Thanks, and so long for now, TOM

I thought it was an oxymoron to be using Apple RAID card, and to be happy.
It does not support drives larger than 2.2TB
Seagate's just seem to be more trouble. Any enterprise drive should do.
If you really really need RAID5 then maybe this card is useful, otherwise, no.,
There is much less than 300MB/sec x 4 in bandwith, they are shared and not independent, but the total is more like 800MB/sec maximum. Less overhead and other factors comes in more like 700MB/sec total max. \
SSDs have come a long way.
Use a PCIe cards to manage 2 x SSDs of 500GB up to 1TB
Use Disk Utility or SoftRAID 4 to manage 2-4 drive mirror or stripe arrays
10.8.4 has a bug that interferes with using 3TB and larger drives, just introduced bug.
This is the FIRST time there have been limits on drive size. And Apple RAID card. Seems the card is not getting updated firmware to address the need for larger drives. For those using SAS it is also a viable candidate.
SSD on its own to hold the system. 4 x 2TB WD Black for data and media storage. 4 x SSDs for scratch and graphic catalogues and media... all depends what your goal and use and type of programs.
No you do not need to use Apple's.
I cannot vouche for or seen someone doing so but I would hope that WD RED series would be suitable.

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maiki wrote:
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Bill...
I went back to my tech and told him what you said...he sent me this e-mail:
Ok Tom, we will remove the RAID configuration drive so that is has Drive letters.
You will loose the performance aspect: "RAID is a array of physical HDD's, and can be hardware, or software managed. The two main uses are for an increase in size (say two physical HDD's seen as one) and speed, as the reads/writes are spread over two HDD's, instead of one"
C:\ OS, programs and possibly the Windows Page File (Statically Managed)
D:\ Projects w/ Scratch Disks
E:\ Media
The 1TB will still be the BACKUP DRIVE, shown as Rebit. You Only have access to that to recover data or System Disaster.
(Drive letters may be different than you listed)
As you may have noticed the speed of the storage and Scratch Disk is a BIG factor of the Adobe process!
The settings you and the tech are asking for are based on the old rules.
However, since this is what you want I apologize for doing it the way adobe instructed us to do it for previous customers (who are happy with the RAID setup). We will convert your drive to your request.
Please bring the machine back at your convenience (on a weekday) and I will have it done ASAP. If I have it in the morning you wil have it by afternoon.
Again, the backup drive is a REBIT drive you will not have access to it other than for data or system restore.
My sincere applogies, Matt
BILL...should I leave my computer alone...do you agree with my tech? Should I return it and have him do it according to what Adobe Classroom In A Book says?
Thanks again, in advance...
Tom

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