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PERC 5/i RAID Card: Tips and Benchmarks - Page 595

post #5941 of 6565
5/23/12 at 3:42am
OK, answered my own question by not being so lazy, did the pin mod and all is well smile.gif detects all 16gb again!
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post #5942 of 6565
5/29/12 at 6:41pm
Hey fellas can you reboot the computer during background initialization?
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post #5943 of 6565
5/29/12 at 7:16pm
Yep you sure can, its initilization is done at bios level on the card, as soon as card is booted it will keep going.
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post #5944 of 6565
6/5/12 at 8:05am
Quote:
Originally Posted by mimidatabase View Post

The answer is no, it's not a Win 7 specific issue. I'm pretty sure you would have the same problem on 2008 Server R2, but not under Ubuntu wink.gif
In addition not a driver issue as well: the default driver loaded under Windows 7 will manage the PERC pretty nicely.
See below...
Hello guys,
Especially haphun and Carlitos714,
Hope the following will help you...
I just received my new CPU + MB + RAM last saturday, to upgrade my quite old S775 platform rolleyes.gif
My new config is the following (the MB part is what will interest you the most I guess) :
CPU : Core i7 970
MB : X58 EVGA Classified 3 E770
RAM : Corsair 3 x 4 Go DDR3 2000Mhz CAS10 (CMZ12GX3M3A2000C10)

Later, I understood that the problem was only existing with Windows 7 and Windows Vista installers/OS (probably due to their way to manage shared IRQ).
I managed to install Windows 7 SP1 x64 on another (SATA) HDD, to then discover the card under Contrôleur RAID intégré DELL PERC 5/i (yes I'm french biggrin.gif) in device manager with a nice :
Long story short, after a big amount of hours spent in tests and web searches, I finally found a topic on the EVGA forum where a guy (many thanks to him) had an issue of the same kind but nothing relative to the PERC 5/i...
Briefly, a BIOS parameter has to be enabled: in BIOS, under "PnP/PCI Configurations" is "Reserved RC for Bridge".
When you load default settings for your BIOS, this parameter is set to "Disabled".
I had to enable it to make my PERC 5/i functioning again under Win 7 on my X58 EVGA Classified 3 E770 drum.gif
Quite happy when finally got my PERC running under this Win 7 tongue.gif

THANK YOU! I have an EVGA x58 board and I was stuck using a BIOS from 2009 on it SZ2P because any BIOSes after that would create the above problem with the perc5i. I suddenly had the need to upgrade my BIOS to upgrade my intel RAID Option ROM and thought I was screwed until I found your post. I repped your post and I really can't thank you enough!
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post #5945 of 6565
6/6/12 at 6:26am
Is it normal for the HDD light to be opposite to normal? like it's always solid on when no activty, and flashes off when activity.. seems backwards!
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Corsair Water Cooler H50 Windows 8 PRO 24" AOC IPS LED Logitech G110 
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post #5946 of 6565
6/8/12 at 1:40am
Are you talking about the blinking green light on the card? i think that has something to do with the card cache being written to disk.
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post #5947 of 6565
6/12/12 at 5:19am
Hello,

i was inspired via reading all the things about the Perc5i at this board. Therefore i decided to publish my benchmarks of my esx5i with perc5i currently with 256 MB and BBU running on a PoweEdge 2950 II Dual Quadcore E5345 and 32GB RAM. Probably i could get a hint of my acutal situation. By performing the benchmark within a virtual machine with a disksize of 500 GB i got this result.

The esxi5 datastore is configured with 4x400GB SAS 10k harddrives in a RAID 5. The stripe size is about 128k.

Read ahead turned to ON
Write back turned to ON
Disk Cache is turned to OFF (due SAS drives)

665665

Is the performance of the perc5i controller the way it should be? All the benchmarks i have seen so far didnt show up that graph like mine. Is there a problem i am not able to interprete?

any hints would be appreciated.

Falk
Edited by fgro - 6/12/12 at 5:23am
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post #5948 of 6565
6/13/12 at 12:21pm
Alright, I haven't done much with my PERC 5/i for the past couple of years now, so I have a couple of quick questions.

Firstly, I currently have an LSI firmware installed (not sure of the version at the moment since I'm at work, but it's from at least 2-3 years ago IIRC). I'm wondering what the latest firmware currently available is? The latest download I can find is 7.0.1-0081. Also, where can I find the downloads for the latest firmware, drivers, and MegaRAID Storage Manager? I'm looking at the LSI website and not seeing much. I'm also assuming that the LSI firmware is still better and more up to date than the Dell firmware?

Secondly, I just purchased a 512MB stick of ECC memory for my card from here: http://www.ebay.com/itm/280870016958?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649
Since I installed it, it feels like the PERC 5/i is taking longer at boot-up. Also, I'm not sure if this is due to the memory of not, but my benchmarks in HDTune seem more somewhat more erratic. My minimum read has sudden drops down to ~70MB/s, then goes back up to ~200MB/s, and my access time went up from ~6ms to ~9ms. Is it possibly that this is being caused by the RAM, did I get a bad stick? Or is something else the issue?

Thanks.
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post #5949 of 6565
7/4/12 at 6:05pm
Can anyone tell me why my speeds are so poor?

539

My setup is a Perc 5i (0072 firmware)
4x1TB WD RE3s
Readahead enabled
Writeback enabled

What could be causing this? All drives in MegaRaid Storage Manager show that it's online and healthy. Could my card be overheating or failing? Thanks in advance for any suggestions.

Edit: This array has been online for over 2 years, and this issue has recently cropped up. It used to have consistent performance:
643
Edited by waLIEN - 7/4/12 at 6:09pm
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post #5950 of 6565
7/5/12 at 10:59am
I have the 6/i and currently my 2TB drives are not in RAID at all but was thinking of doing RAID5. How is this card gonna handle 8 drives in RAID5?
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