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PERC 5/i RAID Card: Tips and Benchmarks - Page 370

post #3691 of 7178
My Perc 5i seems to be running a bit slow.



I played around with the MR configuration settings. It seems there was no difference with Write Through or Write Back, which I thought was odd.



It seems almost like the card is bottlenecked by something. My P45 board should be running at x8/x8 with the graphics and raid cards. So I checked CPU-Z and GPU-Z. But it's reporting my graphics are running at x16. So I'm guessing this means my RAID must be running at x1, right?



But I'm not sure why this is happening. I have the 4th and 5th pins taped over for that SMB fix. Could this tape job be preventing the motherboard from switching to x8/x8 mode? Or any other ideas?
post #3692 of 7178
Thread Starter 
Set to Cache I/O.

Do you have a BBU?
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post #3693 of 7178
Quote:
Originally Posted by DuckieHo View Post
Set to Cache I/O.

Do you have a BBU?
Tried Cache I/O. No difference.
I have a BBU installed.
post #3694 of 7178
borito4 just posted a thread with a bunch of 5/i's for sale.
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post #3695 of 7178
hey all, just wondering... has anyone tried to make a 16+ drive virtual disk spanning 2 or more PERC's? Im starting to run out of space and I dont really want to buy a sas expander :-/ seems like another PERC would be less expensive at this point.

I may end up archiving some of this uncompressed DV footage because i rarely use it on a daily basis anymore... but, i just was curious to see if anyone has done it yet
    
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post #3696 of 7178
Quote:
Originally Posted by DJZeratul View Post
hey all, just wondering... has anyone tried to make a 16+ drive virtual disk spanning 2 or more PERC's? Im starting to run out of space and I dont really want to buy a sas expander :-/ seems like another PERC would be less expensive at this point.

I may end up archiving some of this uncompressed DV footage because i rarely use it on a daily basis anymore... but, i just was curious to see if anyone has done it yet
If you want to span 2 PERCs you will need to do it in software - you can't create a hardware array across 2 cards. A RAID0 spanning 2 PERC RAID5 arrays (kind of software/hardware hybrid RAID50) would be pretty fast, but unless you really need a single volume it would be better (IMO) to just have 2 separate arrays.
post #3697 of 7178
Quote:
Originally Posted by DJZeratul View Post
I may end up archiving some of this uncompressed DV footage because i rarely use it on a daily basis anymore... but, i just was curious to see if anyone has done it yet
I generally keep my DV footage archived on the tape I shot it on; the only thing on disk is whatever projects I'm working on at the time.
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post #3698 of 7178
Quote:
Originally Posted by error10 View Post
I generally keep my DV footage archived on the tape I shot it on; the only thing on disk is whatever projects I'm working on at the time.
i was going back and forth between footage so often i needed it all available, and the tapes were property of the school i did the video work for, so I dont have the original DV tapes anymore. the footage is mine but the tapes weren't, it was a battle to get out the door with the footage as well
    
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post #3699 of 7178
Quote:
Originally Posted by DJZeratul View Post
i was going back and forth between footage so often i needed it all available, and the tapes were property of the school i did the video work for, so I dont have the original DV tapes anymore. the footage is mine but the tapes weren't, it was a battle to get out the door with the footage as well
Hm, well, that does complicate matters.

All I can really suggest is to buy bigger hard drives, and more of them.
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post #3700 of 7178
Quote:
Originally Posted by error10 View Post
Hm, well, that does complicate matters.

All I can really suggest is to buy bigger hard drives, and more of them.
probably going to end up just getting another PERC and making yet another RAID5 , and just archive on both
    
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