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HD Slow performance

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Hello everybody.


I have a problem with OSX that occurs in both my current pc as in the previous one, I always have been slow HD performance on HD. I mean slower than normal, watching the results of Xbench.


The fact is that this afternoon I booted osx, and repaired permissions. After that the Xbench results were:


Disk Test 70.34

Sequential 167.42

Uncached Write 180.22 110.65 MB/sec [4K blocks]

Uncached Write 167.33 94.68 MB/sec [256K blocks]

Uncached Read 131.03 38.35 MB/sec [4K blocks]

Uncached Read 211.19 106.14 MB/sec [256K blocks]

Random 44.52

Uncached Write 14.03 1.49 MB/sec [4K blocks]

Uncached Write 299.17 95.78 MB/sec [256K blocks]

Uncached Read 105.06 0.74 MB/sec [4K blocks]

Uncached Read 175.09 32.49 MB/sec [256K blocks]


My disc was working well for the first time!!!

BUT I made a big mistake installing some drivers for Midi, and I had to reinstall osx.


Now my HD is running as slow as usual:


Disk Test 13.51

Sequential 50.15

Uncached Write 45.32 27.83 MB/sec [4K blocks]

Uncached Write 23.80 13.46 MB/sec [256K blocks]

Uncached Read 139.75 40.90 MB/sec [4K blocks]

Uncached Read 117.49 59.05 MB/sec [256K blocks]

Random 7.81

Uncached Write 2.07 0.22 MB/sec [4K blocks]

Uncached Write 75.09 24.04 MB/sec [256K blocks]

Uncached Read 101.28 0.72 MB/sec [4K blocks]

Uncached Read 169.10 31.38 MB/sec [256K blocks]


Repairing permisions again no further help

Someone has an idea of what may be happening? Anyone can help me?


I'm really desperate

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