Previous 1 2 3 Next 31 Replies Latest reply: May 3, 2013 7:03 AM by arthur Go to original post
  • honey_pablo Level 1 Level 1 (0 points)

    I am seeing the same problem with 10.8.3.

     

    I have a 27" iMac,   3.4ghz i7,  3tb Fusion Drive,  16GB ram.

     

    The issue is as reported slow performance and a number of beach balls,    I can see it's not a processor issue, I run tray icons to monitor this and (Terminal > Top) shows 99% idle.

     

    What I have found using BlackMagic drive speed test is that sometimes I'm seeing <5MB read/write,  whereas normally it circa 300MB r/w.

     

    Iv'e reset PRAM to no effect.    

     

    It's definitely an intermittent disk performance problem,  e.g. opening a VM in Fusion from a frozen state used to be sub 1second and now the load bar crawls across.

     

    I think I'll give it a couple more days to see if an fix is forthcoming,  otherwise I'll flatten the machine restore from backup and go to 10.8.2

     

    P.

  • arthur Level 5 Level 5 (4,890 points)

    Maybe your HD is about to die.

    I took the plunge and put a SSD in my laptop.

    It is mac nerd heaven.

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