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PERC 5/i RAID Card: Tips and Benchmarks - Page 490

post #4891 of 7149
Quote:
Originally Posted by tiro_uspsss View Post
incorrect.
a 512mb stick is like $3.. but since its u, its free
shipping would be AUD$3.20 (I talk from experience).. so once again, its free
if u oh so badly want to hand over $, donate to the Queensland flood relief (thru paypal)..

but otherwise, like I said, its free

if u want, pm me ur address
Well thanks!
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post #4892 of 7149
Hello

I have a client who had this controller with 3 500GB SATA disks in RAID 5 configuration.
Since the disks are full I want to add new bigger disks.
One problem, the OS is also installed on the raid, so can't just backup the data, create new array en put the data back. So I have a few questions:

- What is the maximum supported diskspace
- Can I swap the disks with bigger disks, one by one, let them rebuild each time, and expand the array afterwards?

Some controllers support expanding array's, some don't, can't find it for this controller.
post #4893 of 7149
Quote:
Originally Posted by avocom View Post
Hello

I have a client who had this controller with 3 500GB SATA disks in RAID 5 configuration.
Since the disks are full I want to add new bigger disks.
One problem, the OS is also installed on the raid, so can't just backup the data, create new array en put the data back. So I have a few questions:

- What is the maximum supported diskspace
- Can I swap the disks with bigger disks, one by one, let them rebuild each time, and expand the array afterwards?

Some controllers support expanding array's, some don't, can't find it for this controller.
Max space with mbr disk is 2tb, with a gpt disk you can go nuts (IIRC max supported by gpt is 16 or 18 exobytes). One other thing to consider, windows xp (unless its the 64bit version) can only recognize 2tb max disks and windows server '03 has the same issue (can't remember but a service patch may have remedied this for S'03). Lastly, you can't boot off of a gpt disk so you'd have to create at least two virtual disks (one mbr to boot from and another gpt for data).

AFAIK, swapping out disks with larger or smaller than the original array can cause issues. I would build the other array onto the card, transfer data from your original array to the new data partition, backup the operating system, destroy the original array and retrieve your backup on the new mbr disk of the large array.

These controllers support expansion through the configuration wizard in the megaraid storage manager.

GL
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post #4894 of 7149
Ok, odd question now that I am addicted to the feel of speed on this RAID setup I have (and I know it can be better see a few posts back page 488)

I'm looking at SSDs now for boot/OS and possibly using the SAS for program installs for some non essential programs.

right now I am lookign at 5 different drives, a couple different sizes

OCZ vertex 2 60GB x3
OCZ Vertex 2 120GB x2
Corsair f60 x3
Corsair F120 x2
or Crucial C300 64gb x3

The crucial will not be taken full advantage of since this controller is not SATA3.....

But I'm wondering how much of a difference in speed I would see with three drives VS two... wondering if it is worth the loss of 60GB in storage

Not many benchmarks out there with 3 SSDs, let along on a good controller vs on board

any ideas or benchies you know of out there on the net?
post #4895 of 7149
Are the SSDs on a PERC 5 or 6? I definately wouldn't use them on a 5, but on a 6 it might be worthwhile if your loads are primarily sequential. For random I/Os you would likely still be better off using the onboard controller.
post #4896 of 7149
SSDs will be on a PERC 5/i

I just read somewhere where someone peaked out at 450MB/s

I actually was given the opportunity to buy some drives and bought 6 OCZ Vertex 120GB drives. 3 for me 3 for another system... but you know I'm goign to test out all different configs up to 6 just to see what I get!

Bad news is I didnt remember to order the SAS to SATA cable and I blew my budget! LMAO

I am going to start another thread to test all different configs and post results. If someone has a adapter they are willing to lend me for the tests I'll send it back when done, it would be greatly appreciated. I have a feeling I wont end up keeping the SSDs on the PERC 5/i but you never know.

I'll post the link to the new thread here once I start it.
post #4897 of 7149
I'm in the process of replacing my old C2D system with a Sandy Bridge system using the P67 chipset, but I can't seem to get my 6/iR to work anymore!!

It won't boot. I've tried the SMBus fix (Pins 5/6 were already masked when I used it in the C2D system), but that doesn't work either.

Has anyone managed to get this to work in a newer system?

MB: Asus P8P67 Pro
post #4898 of 7149
Quote:
Originally Posted by s-k-y View Post
I'm in the process of replacing my old C2D system with a Sandy Bridge system using the P67 chipset, but I can't seem to get my 6/iR to work anymore!!

It won't boot. I've tried the SMBus fix (Pins 5/6 were already masked when I used it in the C2D system), but that doesn't work either.

Has anyone managed to get this to work in a newer system?

MB: Asus P8P67 Pro
Has your rig booted at all 'without' the controller inserted (in other words, was first power-on with the controller inserted)? Also, are all your ram slots filled (sometimes an issue unless you've already done an initial boot with less than max - say half)?
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Project Unamed
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i7 920 D0 - 3913B269 Foxxconn Bloodrage Sapphire 6950 2GB flashed to 6970 BIOS 6GB G-Skill Trident 2000mhz 
Hard DriveOptical DriveCoolingOS
2x OCZ Vertex 2 160GB in RAID 0 Samsung Swiftech H2O-320 W7 Ultimate 64bit 
MonitorMonitorKeyboardPower
Acer 24" AL2423Wdr Acer 24" P243W DAS Model S & Cherry My 7000 Seasonic 860wt Platinum+ 
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In progress R.A.T. 7 Creative Titanium HD Fiio E9 
AudioAudioAudioAudio
Denon AH-D2000 AKG Q701 Grado SR225i Audio-Technica ATH-A900 
Audio
Klipsch Pro Media 2.1 
CPUGraphicsGraphicsRAM
e5700 HD6670 Ceton InfiniTV 4 4GB G-Skill DDR2 1066 
Hard DriveHard DriveOptical DriveOS
60 GB Agility 3 (OS Drive) Hitachi 3TB (TV Buffer and Recording) LG Blu-Ray Burner Windows 7 Ultimate 
MonitorCaseAudioAudio
58" Samsung Plasma DH101 Polk CS2 (Center) Polk Monitor 70 (FL/FR) 
AudioAudioAudioAudio
Polk Monitor 60 (RL/RR) Polk Monitor 40 (Surround L/R) Definitive Technology Supercube 2000 Onkyo HT-RC360 
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post #4899 of 7149
So, I just got my PERC 6/i. I plugged it in with these cables:
http://www.newegg.com/Product/Produc...2E16812198020R

PERC card is showing up OK, I can even connect to it via MegaRAID Storage Manager. However, it's not seeing any of my harddrives (Either in MSM or in the PERC Config. Utility on the PD Management page).
Here's the motherboard I'm running:
http://www.newegg.com/Product/Produc...82E16813128424

Here are the drives I have (qty 5):
http://www.newegg.com/Product/Produc...82E16822148413

I even tried just one HDD, but it still didn't see it. Help? :-/

Edit: I'm wondering if these are xover cables. No way to tell, is there?
Edited by RSalamon - 1/18/11 at 3:12pm
post #4900 of 7149
Quote:
Originally Posted by RSalamon View Post
So, I just got my PERC 6/i. I plugged it in with these cables:
http://www.newegg.com/Product/Produc...2E16812198020R
had the SAME issue.
i emailed Athena trying to figure out w-t-f the issue was, here was their response:
Quote:
I have had someone review the raid controller specs and it turns out that the cable is not compatible with your control card. It has been very tricky in the past for a few customers who have purchased this same cable and have tried to install it with their Dell Perc 5/i as well. Dell control cards are also very specific and I believe they are only compatible with their own Dell-cables. We only provide power replacement cables for Dell items, however the one you purchased is a data cable designed for (non-Dell) backplanes.

Sandy Ling
Services Dept.
ACPC
Athena Computer Power Corp.
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