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Do I have to many HDD options?

post #1 of 5
Thread Starter 
System below, pic also added, as I added a "pci" card, a 6-port sata II 150 PCI Host card w/raid, Vantec card. (2x esata external, 4x sata internal). Where I used 3x of the 4 internal on card, for 3x external esata backplates... With my mobo, total 7x e-sata, (5x + 2 combo esata/usb).

With internal 8x sata II ports, and 2x Sata III ports, and 2x esata ports. <-- my sys board.

With pci card that has 4 internal, 2 external (Converted 5 external, 1 internal).

I can cap out, at.. 18 possible live hdd's on my rig all @ once... (And have physical internal space configurable, and external enclosured to handle)... Total space, easily 36tb (18x2tb) or more alternate configurations...

biggrin.gif

Sure there is a limit for people, maybe to much... but... I see it like this... If It can.. I will try...

- Le_Loup



img20120108191801.jpg
    
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post #2 of 5
Just to make sure that I understand your post correctly, you have:

- Mobo with:
* 8 SATA II (ICH10R)
* 2 SATA III (some Marvell stuff I assume)
* 2 eSATA (possibly wired directly to ICH10R, not sure here)
- 1 SATA PCI card with 6 ports total

Now the inbuilt ICH10R platform (the 8 SATA II and I presume the 2 eSATA) cap out in real tests at ~660mb/s (shared total). The Marvell in even the worst case (some mobos had a x1 PCIe link instead of a x2 or better) is able to provide 500mb/s (shared total). Finally a PCI card is able to provide 133mb/s (shared total).

Hard drives (not SSDs) on the SATA III connection should be fine. With the ICH10R, if you were to run 10 drives on those ports simultaneously, the maximum would be 66mb/s each. Now there are two things to consider. One is that the maximum sequential speed for any hard drive available is approximately 150mb/s, give or take, so theoretically the drives would run at 1/3 the possible speed in the worst case situation. The second thing to consider is that realistically, you are unlikely to meet that demand (and be transferring that much data simultaneously to achieve the sequential transfer rates to each drive) in a home scenario; either often or at all. There is potential that some drives might be slowed slightly in high demand, but that really depends on your workload.

Finally the PCI card might be problematic however, since they only provide 133mb/s (PCIe provides more). It is possible for even a modern single hard drive to bottleneck on this.

A final leaving thought - does your PSU have enough plugs and power to drive 18 drives; or your case enough room?

SuperStealth
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post #3 of 5
Thread Starter 
Quote:
Originally Posted by SuperStealth View Post

Just to make sure that I understand your post correctly, you have:
- Mobo with:
* 8 SATA II (ICH10R)
* 2 SATA III (some Marvell stuff I assume)
* 2 eSATA (possibly wired directly to ICH10R, not sure here)
- 1 SATA PCI card with 6 ports total
Now the inbuilt ICH10R platform (the 8 SATA II and I presume the 2 eSATA) cap out in real tests at ~660mb/s (shared total). The Marvell in even the worst case (some mobos had a x1 PCIe link instead of a x2 or better) is able to provide 500mb/s (shared total). Finally a PCI card is able to provide 133mb/s (shared total).
Hard drives (not SSDs) on the SATA III connection should be fine. With the ICH10R, if you were to run 10 drives on those ports simultaneously, the maximum would be 66mb/s each. Now there are two things to consider. One is that the maximum sequential speed for any hard drive available is approximately 150mb/s, give or take, so theoretically the drives would run at 1/3 the possible speed in the worst case situation. The second thing to consider is that realistically, you are unlikely to meet that demand (and be transferring that much data simultaneously to achieve the sequential transfer rates to each drive) in a home scenario; either often or at all. There is potential that some drives might be slowed slightly in high demand, but that really depends on your workload.
Finally the PCI card might be problematic however, since they only provide 133mb/s (PCIe provides more). It is possible for even a modern single hard drive to bottleneck on this.
A final leaving thought - does your PSU have enough plugs and power to drive 18 drives; or your case enough room?
SuperStealth

The psu (1200watt) doesn't need to manually power them all. That's the bonus, and it's already running 7 internally, with 3 external, (External = 2x esata (native mobo esata) and 1x usb 2.0 to IDE old skool). Basically If the case fits etc, I can power it. I still have multiple rails to plug in, and i've still got room to power more + the tri sli / tri cross if I wanted to. smile.gif

Downside if I went tri or even just standard sli / cross, i'd have to get a single slot cooler, as it would over lap the pci slot...

All in all, plenty of power, i'm well under using it, and I do recognize the xfer rate in general will be less then optimal. But I max xfer presently 80/megabyte a second anyways, which for myself right now, is plenty.

- Le_Loup
    
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4x 4gb Corsair 1600 C9, XMP 1.2 2x1tb (sata6, Raid 0), 2x 1tb data drives, 4x 2... Sata: DVD DL Burner w/lite scribe corsair h100i w/2x120mm rad internal. 1x 120 re... 
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post #4 of 5
y u no IO shield
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Waiting on X399
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post #5 of 5
Thread Starter 
Quote:
Originally Posted by beers View Post

y u no IO shield

it kinda broke on first install, and well I kinda... yeah, <-- fail ^_^
    
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i5, 4670k, 4.2ghz MSI Z87-GD65 GAMING (MS-7845) MSI Nvidia GeForce GTX 760 MSI Nvidia GeForce GTX 760 
RAMHard DriveOptical DriveCooling
4x 4gb Corsair 1600 C9, XMP 1.2 2x1tb (sata6, Raid 0), 2x 1tb data drives, 4x 2... Sata: DVD DL Burner w/lite scribe corsair h100i w/2x120mm rad internal. 1x 120 re... 
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Windows 8.1 3x 24" RL2455HM BenQ Logitech G15 Keyboard (Original with G1-G18 but... TR2 RX 1200W ThermalTake 
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CPUMotherboardGraphicsGraphics
i5, 4670k, 4.2ghz MSI Z87-GD65 GAMING (MS-7845) MSI Nvidia GeForce GTX 760 MSI Nvidia GeForce GTX 760 
RAMHard DriveOptical DriveCooling
4x 4gb Corsair 1600 C9, XMP 1.2 2x1tb (sata6, Raid 0), 2x 1tb data drives, 4x 2... Sata: DVD DL Burner w/lite scribe corsair h100i w/2x120mm rad internal. 1x 120 re... 
OSMonitorKeyboardPower
Windows 8.1 3x 24" RL2455HM BenQ Logitech G15 Keyboard (Original with G1-G18 but... TR2 RX 1200W ThermalTake 
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