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treasure108
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Post subject: ssd issues
 Posted: Nov 04, 2009 - 01:47 PST
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Joined: Nov 04, 2009
Posts: 1
 
Status: Offline
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Hi Guys,
hope you can help me with some ssd issues.
I had purchased 6 X Supertalent (ST) ultra drives to put in Raid 0 on an Asus P6T mobo using Win7 64 bit (using RC version to date)
i soon discovered that the ST firmware did not present the barefoot? controller to the os, so win 7 could not apply it's TRIM function and other goodies. over time performace would degrade and the only thing to do was to reformat and clean install.
ST had come up with a few firmware revisions, but none worked, in my desperation after quite some months i obtained an RMA, so now they will be returned and i can go shopping for a new brand.
In my SSD information gathering journeys to date a few interesting things have come to light.
A friend of mine bought a new computer with one SSD in it and i was struggling to see that my computer loaded photoshop any faster than his (that was humiliating)
At a read speed of 230 MBS (1.84Gbs), and a sata2 ports speed of 3Gbs i should not have a problem. It seems there is a bottleneck somewhere, perhaps the ICH10R raid controller? The quickpath system on the mobo (raid controller to cpu) is 4.8GT/s so that should not be a problem is transferring the full data rate from 6 SSD's.
Also looked into a PCIe solution. Seems there can be bottle necks there too because of the need for the bus to be shared, but i dont know - that could have been just scare mongering.
My main performance need is for fast read speeds, not so much worried about fast writes. Not worried about raid 5 either, data is on other drives, so if i lose a drive i would just reconsolidate drives and reload windows and programs. Raid 0 is supposed to provide the fasted read.
So my questions now are.
What brands to buy?. How many to buy? Is there an optimal number of ssd's to get before system performance penalties begin to work against me? How can i be sure that any future ssd array i compile will present to the os with the right controller so that trim and goodies will work.
Some new Asus mobos claim to be designing out sata bottlenecks, but for now am stuck with current board. It does not appear that having 6 disks gives a one sixth read speed, or even similar allowing for some unknown penalty, possibly in the raid controller. |
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SSDRocks
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Post subject: RE: ssd issues
Posted: Nov 10, 2009 - 01:32 PST
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Site Admin
Joined: Apr 18, 2005
Posts: 36
Status: Offline
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| The new Intel 80GB Generation 2 SSDs sound like a good bet for you. It's not as fast in writes as some of the ones with the SDRAM cache but you're getting extremely fast read. |
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yeguonan
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Post subject: RE: ssd issues
Posted: Feb 02, 2010 - 12:48 PST
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Joined: Feb 02, 2010
Posts: 2
Status: Offline
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HI!
I fully understand the troubled forward to your questions. Because in my body have been have the same problem until I discovered the "SING" SLC SSD, I have to tell you that this is a very powerful SSD, the highest reading a single disk read speed of 270MB / S, the maximum write into the speed of 250MB / S. At this rate, enough for us to use any software, including PHOTOSHOP.
Of course, if you want to continue to raid group, then this "sing", the same can satisfy you, because he has the TRIM function, now all there SSD group slowed down after RAID defects, so the use of a period of time, you must use the "SING" software, brush about SSD, let him speed has become faster and RAID 0 group, after, "SING" maximum read speed can reach and exceed 500MB / S, writing can also meet and exceed 400MB / S.
The most important thing is, "SING" The price is very attractive, 32GB only 200 USD, 64GB only 300 U.S. dollars, 128G only 600 USD |
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Carl2
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Post subject: RE: ssd issues
Posted: Feb 03, 2010 - 04:37 PST
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Joined: Feb 03, 2010
Posts: 1
Status: Offline
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I'm not sure if trim works in Raid arrays at this time but I have seen SSD's which state thay can be used in a raid array. As an example here's a review about an OCZ vertex 60GB, " Insane, blistering performance e.g. Photoshop loads in LESS than 5 SECONDS!" I personaly like Intel vs ocz that has firmware updates that I don't like.
Carl2 |
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kms
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Post subject: RE: ssd issues
Posted: Mar 28, 2010 - 04:10 PST
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Joined: Mar 28, 2010
Posts: 4
Status: Offline
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I dont know much about raid, but you can consider these.
You may look into the OCZ Vertex limited edition SSD, it's a MLC nand SSD using the newest controller sand force 1500, if you look through the internet, or through it's site, many of it's test report, indicates it's one of the fastest SSD available to date at a reasonable price HKD 3299 (USD 420) for a 100GB.
others include:
kingspec motive with SLC and using JMF612 controller, or
Solidata pacer or K5 both with SLC and using INDILINX controller.
These are the ones I recommend based on the brand and selling at very reasonable prices. |
_________________
Asus Silver 1201N with 64GB SLC SSD, Qimonda DDR2 800 8GB Ram and Windows 7 Home Premuim 64 Bit
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