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Slow Raid HD's and External HD?

461 Views 4 Replies 3 Participants Last post by  Old Hippie, 
UberN00B
Hey guys im having a ton of issues with my external, and I have reason to believe my raid 0 is slow compared to others.. So ill make out a list of issues and see if any of them can be resolved.

1. I have a Vantec Nextar 3 NST-360SU-BK model, and im using my Seagate 7200.10 and 7200.12 Drives on it. Everytime I use it, i get about 30mb/s with ESATA, And it uses nearly 100% of my Memory resources... Im not too sure if it uses up all my memory through USB, but ill check.. I have windows 7 64bit.

2. My Raid speeds are pretty slow.. Im using 2x 7200.10 250Gb Seagate Drives.

any help is appreciated!
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T
1. you should get identical speeds with eSATA as you do with internal SATA drives - if you don't check your drivers are up to date and nothing is screwed up in your BIOS.

2. Your drives are old, but they are being bottlenecked by your controller. It would appear you have an ICH10R onboard - make sure you are using it and not a suplementary controller. Again update the drivers and ensure Intel Matrix RAID Manager is installed and all performance options enabled (particularly the caching options).

Then re-bench and re-post.
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UberN00B
Quote:

Originally Posted by the_beast View Post
1. you should get identical speeds with eSATA as you do with internal SATA drives - if you don't check your drivers are up to date and nothing is screwed up in your BIOS.

2. Your drives are old, but they are being bottlenecked by your controller. It would appear you have an ICH10R onboard - make sure you are using it and not a suplementary controller. Again update the drivers and ensure Intel Matrix RAID Manager is installed and all performance options enabled (particularly the caching options).

Then re-bench and re-post.
theres no way my internal sata speeds = my eSata speed.. like i noted, when i try to copy a file into my esata external, it uses 100% memory resources and does 30mb/s
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You already said that. So do what I suggested and check your drivers etc.

If the problem still exists then attach the drive to your internal SATA ports directly and re-test. The issue is either going to be down to a faulty drive (unlikely) or poor drivers or BIOS support for the (probably) JMicron controller you are using.
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O
Quote:


i get about 30mb/s with ESATA

That's all I get and sometimes less depending upon the type files that I'm transferring.

I have tested the external drives/enclosures with HDTune and they're just fine and mirror the speeds when the drives are mounted internally.

My conclusion is that it's just the act of transferring the files that causes the slower speeds.

IDK if you're using a 3rd party chipset for eSATA and that could slow ya down a little more but a test with HDDTune should tell ya a little more.

You can always test your drives connected directly to the MB vs connected by eSATA to find out for sure.
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