Seagate 320gbs and RAID 0 (pics!)

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I've got a pair of 320gb seagates in raid 0, I dont believe they are the ones affected with the current problems

st3320613as and firmware sd42

anyway, on my old mobo i had problems with raid and thought id upgrade to a p45 as on my old board the jmicron controller was whack.

ive got a p5q pro now with intel raid controllers which is ment to be the dogs...

anyway my drives are faster but they still have really weird spiking

raid.jpg


to me this looks like one drive isnt pulling its weight.... what do any of you raid experts rekon!
 
1 5SZ00PKY Drive is not affected. No action required.
2 5SZ00PGZ Drive is not affected. No action required.

just got that back from my serials so looks like theres no excuse for this pappy raid results!
 
lol pisss :D, I was thinking I might buy another 320 drive.... and hopfully put that into the raid and take one out and see if one of them is just being crappy?
 
if I try these drives and benchmark them seperately and then do raid again and the same in my mates computer if one of them isnt pulling its weight is that reason to return?
 
Kinda a |\|008 sorry but I might suggest those downspikes may be caused by something running in the background draining system resources, either that or you need to feed and water your hamsters properly lol
Other thoughts how reliable is your PSU?
no real ideas other than that though I can defenitley see a semi regular downturn in performance in that trace.
 
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here are the screenies from both drives being taken off raid0..
i also did them on a mates pc where they looked much more similar (maybe its because one of them is as a system drive?) I should really test them both in raid0 not as a system drive probobly, im going to send these screenies to seagate anyway.

seagates.jpg

seagates2.jpg
 
If your left capture is your system drive and it looks more like your right capture when not used as system drive wouldn't it be fair to conclude it's somehow your OS thats interfering with these traces?
 
indeed you are correct i believe, looking back at the first raid setup then, if that is under some load would that be around right for a system drive? im sure the access times should be lower no doubt?
 
indeed you are correct i believe, looking back at the first raid setup then, if that is under some load would that be around right for a system drive? im sure the access times should be lower no doubt?

No there is obvousioly still some conflicts occuring your system disk should make no significant difference in the trace I'm just observing that it would appear too. Yes expected acces on a modern HD should be around 1/2 that.

/edit gotta say if your pulling an aveage 150 + of your raid you've got very little to complain about, best just to put it down to the damn gremlins and enjoy your rig ;)
 
Further thoughts seems non of the 'higher mafia' seem to wanna talk to you?!? lolz
Are your 'Buffers' working correctly as
1/ It may reduce your average 'seek'
2/It may cause 'pauses' (down spikes) at the point where (using random data) your buffer may be programmed to entirley empty itself
3/Oh yes your software set up is still one of the 'usual suspects'
Who knows but I do love a little mystery. *shrugs*
 
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Sounds like the usual "Vista resource eating" stuff is going on in the background, but I wouldn't be complaining at those speeds. Seek time is a bit of a worry mind you.

I noticed you were running MSN, whilst that isn't the biggest HDD affecting program, it leads me to believe you were running other things.

Boot up, close any startup programs, bench begin, leave PC alone, read results.

Reliability :)
 
Are you sure the chipset drivers installed properly? What drivers/version are you using?
The burst rate looks to be low on one drive as well as the seek.
 
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