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PERC 5/i RAID Card: Tips and Benchmarks - Page 377

post #3761 of 7172
Quote:
Originally Posted by CatchJon View Post
Can somone point me in the right direction? Where can i get a bracket?

Jon
You can get a bracket on eBay or similar, but they are expensive. What I did when I had my card PCI mounted (its free floating now on a ribbon cable, lol) was to gut an old cisco PCI ethernet card that had similar screw spacing. If you have any old PCI cards lying around, that would be the best option.
    
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post #3762 of 7172
Quote:
Originally Posted by DJZeratul View Post
You can get a bracket on eBay or similar, but they are expensive. What I did when I had my card PCI mounted (its free floating now on a ribbon cable, lol) was to gut an old cisco PCI ethernet card that had similar screw spacing. If you have any old PCI cards lying around, that would be the best option.
I'm waiting on one myself but I got impatient so I tested mine mounted (free floating) and its holding up alright. I think the cables are supporting it a little though.

You said you had your card mounted in a PCI slot though? Weird, I tried a regular PCI slot first and the system wouldn't even POST with it. I ended up putting it in my secondary PCI ex slot.

Can you think of what went wrong when it was in the PCI slot?
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post #3763 of 7172
Quote:
Originally Posted by MasterShake View Post
I'm waiting on one myself but I got impatient so I tested mine mounted (free floating) and its holding up alright. I think the cables are supporting it a little though.

You said you had your card mounted in a PCI slot though? Weird, I tried a regular PCI slot first and the system wouldn't even POST with it. I ended up putting it in my secondary PCI ex slot.

Can you think of what went wrong when it was in the PCI slot?
He means PCIe (as do you), but was being lazy with the typing (Beast slaps DJ's wrist for being naughty).

Putting it in a PCI slot is a recipe for trouble - you were lucky nothing was damaged. PCI and PCIe are not compatible.
post #3764 of 7172
Quote:
Originally Posted by the_beast View Post
SAS drives are generally much more reliable under heavy loads than SATA drives (on paper at least), and are usually designed to run in arrays.
OK, thank you (can't afford them )

Quote:
Originally Posted by the_beast View Post
The LSI firmware is used for a few more options (larger stripe sizes etc) and higher performance on the 5-series cards.

As there is no direct LSI equivalent to the 6-series cards I would not flash an LSI BIOS to one of them. I have no idea if doing so gives any better performance or options, but I would not try it as the effect on the card is potentially fatal.

Just my 2 cents...
OK, i'll let fw as it'll be.
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post #3765 of 7172
Quote:
Originally Posted by XZed View Post
OK, thank you (can't afford them )
There is no real reason to run SAS for a storage array - they are too expensive per GB (in terms of money, power consumption and density). They really excel for higher IOPs than SATA disks, and for media storage this is not really a requirement. I run them for my OS & VMs - but that is because I can't afford SSDs...

Quote:
Originally Posted by XZed View Post
OK, i'll let fw as it'll be.
I would make sure it is updated to the latest Dell version.
post #3766 of 7172
Quote:
Originally Posted by the_beast View Post
He means PCIe (as do you), but was being lazy with the typing (Beast slaps DJ's wrist for being naughty).

Putting it in a PCI slot is a recipe for trouble - you were lucky nothing was damaged. PCI and PCIe are not compatible.
Oh wow so glad nothing got effed up.
Thanks.
So can the perc fit into other smaller sized pci e slots or only 16x ones? It defiantly wont fit into the 1x slots on my board but when I go to another board I may want dual cards again.
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post #3767 of 7172
Quote:
Originally Posted by the_beast View Post
Not to scare you - but RAID6 is a striping level. It just uses parity also.
Sorry for my bad translation : i was referring to RAID0 employed in combination in nested raid levels (RAID10, RAID50, etc...).


Quote:
Originally Posted by the_beast View Post
I know that you cn change CCTL (Samsung's version of TLER) with HDParm under Linux. But the change is lost on a reboot and can't be performed on disks in arrays through any RAID controller I know of. So it limits its usefulness somewhat, especially for those wanting hardware RAID under Windows. Might be of use to someone considering a software RAID (or RAIDZ) system though, if you can run HDParm on startup.
I read some articles :

http://forum.hddguru.com/samsung-cct...er-t11630.html
http://hdat2.getphpbb.com/hdat2-comm...-erc-t186.html
http://www.hdat2.com/

But conclude what you're explaining (default settings at reboot), so won't be using it.


Quote:
Originally Posted by the_beast View Post
Not necessarily. But the only people I know of using them in large arrays (and that I trust the opinion of) seem satisfied with their performance and recommend them. I do not actually know how Hitachi have implemented TLER (or whatever they call it). However they seem to be the best bet, and do not drop out like non-TLER-enabled WD disks or non-CCTL-enabled F3s tend to. As a result they are likely to be the drives I use to build my next hardware storage array with.
Thank you very much for this tip...

I don't know how to consider this but some people say that "Hitachi DeskStar models are RAID-friendly" (sentence to check/verify/validate...)...

By the way, after comparing SAS/"RAID Editions" SATA/Hitachi 2To "price per Go", i think also opting for Hitachi 2To drives set (or smaller DeskStar models if behaviour in RAID environments is true)... i'll just still make some comparatives ...

Hitachi 2To drives were choosen to make "MonsterNAS" (BackBlaze-like) : http://monsternas.com/backblaze_parts_list/

Also, i was thinking about your post comparing larger drives vs smaller drives : larger drives set has an advantage : has more future opportunities to expand RAID volume with same drives (will be lately cheaper and still exist)...

Thank you very much,

Sincerely,
Edited by XZed - 1/3/10 at 1:52pm
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post #3768 of 7172
Quote:
Originally Posted by MasterShake View Post
Oh wow so glad nothing got effed up.
Thanks.
So can the perc fit into other smaller sized pci e slots or only 16x ones? It defiantly wont fit into the 1x slots on my board but when I go to another board I may want dual cards again.
It will work in any (PCIe) slot you can fit it in (according to the specs) - even an x1 slot (with an open back or fitted with a larger mechanical connector.

I have run my PERC 6/i in an x4 slot without issue also (if that helps...)
post #3769 of 7172
Quote:
Originally Posted by DJZeratul View Post
I am using a pretty old BIOS revision, rev. 1102 from December 2008

Using MSM is fine on Win7, I use it all the time and it works like a charm.

As for your custom BIOS, how does it work to remove the turbo multiplier throttling? I have an option on my BIOS revision that allows you to turn off Turbo Mode (Which I do--because going into turbo mode causes a BSOD on my system no matter how many volts I pump into the CPU), does yours do something different than that?
Yeah, the 0006 bios is used by practically everyone on the xtremesystems forums who are above 4.2GHz. It was designed specifically (by asus engineers) to remove the throttling that occurs at really high frequencies/voltages. I think that technically, I'm at the threshold where it may not be needed. I like to run 4.2GHz 24/7 as it only requires 1.328V on the core and runs perfect.

Looks like I need to try a different bios to see if that is the problem though.
post #3770 of 7172
Quote:
Originally Posted by DJZeratul View Post
Vista and 7 should see it out of the box, no drivers required. If it doesn't, you might check the Device Manager to see that it isn't showing up as an exclamation point. If it is, you might have an IRQ issue.

EDIT: I just re-read your post and realized you are trying to install to the drive. When I installed Vista and 7 on this rig, it found the PERC drive but did not find my Intel RAID, so it should find the PERC raid drivers out of the box as well. But, keep in mind if it is not a MBR disk (If the RAID you created was formatted as GPT) it wont show up to install on because windows cant use GPT as a boot disk.
Do they make any drivers for the card though? I'd rather try then to rely on Windows. The card worked fine last time I used it, I just can't remember if I needed to supply drivers or not. I understand Windows SHOULD have them, but despite this, it has no idea what's going on. I don't know how the RAID was formatted, I made it with the utility, before I could even touch an OS.
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