Manyak

Sweet.

Considering that it also allows you to move your array between computers, and lets you use SAS drives, its definitely worth the investment.

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DuckieHo

If you get the Battery Back Up unit... your data is very safe. Your data will be more protected than an UPS. A CPU overheat or motherboard short would shut off your HDs and might corrupt your data if you enable caching. With the separate battery pack, your data is still safe.

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To answer most of your questions: (1) a fridge cannot cool a PC (2) 64-bit OS for over 3.4GB (3) If a PCIe card fits, it should work (4) Resolution, not screen size (5) If you have a question, it is not news (6) Report, not respond to Spam (7) Single-Rail/Non-Modular PSUs are not always better than Multi-Rail/Modular

JustusIV

Does anyone have a screeny for a benchmark for a max throughput of this card? We have one at work and it is maxing out at about 200MB/s in a 15 disc raid 5. Any ideas on whats going on?

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DuckieHo

I've think I saw someone hit 70MB/s with the card.... (can't seem to find it now). Here is someone with 300MB/s in a 8xRAID5:



Is Adaptive Read Ahead enabled?

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To answer most of your questions: (1) a fridge cannot cool a PC (2) 64-bit OS for over 3.4GB (3) If a PCIe card fits, it should work (4) Resolution, not screen size (5) If you have a question, it is not news (6) Report, not respond to Spam (7) Single-Rail/Non-Modular PSUs are not always better than Multi-Rail/Modular

JustusIV

Yes, and one thing to note it is the Perc 5/e not Perc 5/i, don't know if that matters or not.

*EDIT*
these are the 750gig Seagate NS drives, btw

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DuckieHo

Is ARA enabled?


Can you test the drives individually?

How did you hook up 15 disks to one card? Or are you linking two cards?

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To answer most of your questions: (1) a fridge cannot cool a PC (2) 64-bit OS for over 3.4GB (3) If a PCIe card fits, it should work (4) Resolution, not screen size (5) If you have a question, it is not news (6) Report, not respond to Spam (7) Single-Rail/Non-Modular PSUs are not always better than Multi-Rail/Modular

JustusIV

Yes ARA is enabled.
We actually have a Dell MD1000 that contains the 15 drives and just run a cable to it.

LOL i am confused myself now arg..


*EDIT*
typo corrected

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DuckieHo

The MD1000 has a PERC 5/e daisychained to a PERC 6/e internally. If you connected the MD1000 to another PERC 5/e, then you are just setting the performance of the MD1000. The array performance is internal to the DAS and the other PERC 5/e can't do anything to accelerate performance.

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To answer most of your questions: (1) a fridge cannot cool a PC (2) 64-bit OS for over 3.4GB (3) If a PCIe card fits, it should work (4) Resolution, not screen size (5) If you have a question, it is not news (6) Report, not respond to Spam (7) Single-Rail/Non-Modular PSUs are not always better than Multi-Rail/Modular

JustusIV

Ahhh i gotcha, i understand the setup now, sorry first time i have looked at this box. What is the Max througput of the Perc 6/e then? Doesnt the 200MB/s look low?

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DuckieHo

The 6/e is better than the 5/i (and 5/e). However, what is the configuration of the 5/e+6e internally? Is caching and read-ahead enabled within the MD1000?

__________________
To answer most of your questions: (1) a fridge cannot cool a PC (2) 64-bit OS for over 3.4GB (3) If a PCIe card fits, it should work (4) Resolution, not screen size (5) If you have a question, it is not news (6) Report, not respond to Spam (7) Single-Rail/Non-Modular PSUs are not always better than Multi-Rail/Modular