Better to have 2-Raid0, or 1 data , 1 scratch disc ?

Discussion in 'Digital Photography' started by qveda, Sep 4, 2009.

  1. qveda macrumors regular

    Joined:
    Sep 8, 2008
    #1
    Right now, my MacPro just has the 300gb sata drive that came with it. plus an external 1TB FW drive. Thinking about leaving OS and Apps on boot drive and adding new drive(s) for data. Then possibly change the boot drive to SSD in the future.

    For now, using CS4 and LR2, would performance be better if I added 2 internal 500gb drives and Raid-0 for storing all data. Or, not use Raid 0 , and use one for data, and one for scratch disc ?
     
  2. Maxxamillian macrumors 6502

    Joined:
    Nov 16, 2004
    Location:
    Utah
    #2
    A scratch disk that is not on your boot disk. Adobe recommends this.
     
  3. Benjamindaines macrumors 68030

    Benjamindaines

    Joined:
    Mar 24, 2005
    Location:
    A religiously oppressed state
    #3
    It all depends on what you're going to be doing with Photoshop. If you're going to be rendering 3D, then I suggest you have a separate scratch disc. However, if you're just going to be doing basic photo manipulation you really don't need a scratch disc, and I'd say RAID 0 the drives together, just make sure you have a good way to back them up.
     
  4. Maxxamillian macrumors 6502

    Joined:
    Nov 16, 2004
    Location:
    Utah
    #4
    But then what happens if qveda decides to do more than "basic photo manipulation" on his slick RAID 0 system and needs a scratch disk? Spend more money? Back out of RAID 0?

    The application decides when you utilize the scratch disk (if you make one available)...not whether you are rendering 3D or not. I wonder if there might be another need for RAID 0 that qveda might have?
     
  5. qveda thread starter macrumors regular

    Joined:
    Sep 8, 2008
    #5
    Hi, These days, I don't plan on 3D rendering, but mostly photography and some relatively low level video editing. (by the way, I am upgrading from 4gb to 8gb ram). I rely on TimeMachine for regular backup to ext. 1TB drive.

    I don't have a particular "need" for Raid0 at this time. I believe separating data onto its own disc(s) would be recommended in any case. As long as I'm buying a data disc(s), I'm considering buying 2 identical ones so I can Raid them, or make one a scratch disc. Seems that Raid0 would help overall performance. Not sure how much extra benefit I'd get from the scratch disc.

    Another twist... If I use a Raid0 pair for data. would there be a problem adding a scratch disc later - since it would not be as fast as the Raid0 pair ?
     
  6. Maxxamillian macrumors 6502

    Joined:
    Nov 16, 2004
    Location:
    Utah
    #6
    RAID 0 has neither parity or mirroring; something it sounds like you already know. Adding another disk later and telling PS4 that it is your scratch disk should not be a technical issue, its just a matter of time and money. The only downside I see to this setup is that you are adding risk to your environment at the trade off for increased speed. If you are a techie and just like to play around with this stuff then jump in the sandbox and have fun. Otherwise, introducing increased risk into your setup without any payback on the speed you are getting (ie having a customer that is waiting for a return on that data) isn't a risk I would be willing to take.

    Good luck tho...let us know what you decide to do :D
     
  7. qveda thread starter macrumors regular

    Joined:
    Sep 8, 2008
    #7
    Well stated. with regular backup, the performance may be worth the risk.. but I will give that some additional thought.
    thanks!
     
  8. dmmcintyre3 macrumors 68020

    Joined:
    Mar 4, 2007
    #8
    How about using the 300 GB as the scratch disk and the 2x500 for the OS and data?
     

Share This Page