Best Use of 6 Hard Drives in My 2009 Mac Pro? (Scratch Disk)

Discussion in 'Mac Pro' started by sammyman, May 11, 2011.

  1. sammyman, May 11, 2011
    Last edited: May 13, 2011

    sammyman macrumors 6502a

    Mar 21, 2005
    I just ordered the OWC hard drive holder for 2 2.5" hard drives. I noticed my 2009 MP only comes with one plug for 1 drive. Do I need a splitter to plug in both drives?

    This is how I want to set things up. I would love feedback as well.

    Drive Bays

    1. 128GB SSD - Boot Drive
    2. 500GB 7200 2.5" - Scratch Disk + Clone of Boot?

    4 HDD Bays

    1. 1.5 TB 7200rpm - RAID 0 Master 1
    2. 1.5 TB 7200rpm - RAID 0 Master 2
    3. 2TB 5900rpm Green Drive - TM
    4. 2TB 5900rpm Green Drive - TM

    This looks like a good setup, but is it ideal for Photoshop work? Also, I am a little worried that this will not be enough room. Aside from the drives above I have 2 more 5900 2TB drives. I also have a 2tb firewire drive, and a 1tb usb drive.

    I am going into this mac with a little more than 2TB of storage, so I think the 2.7TB Master drive will not be enough. Should I just do TM on an external drive or NAS and have the 4 x 2TB slower drives for my Master? Or will this slow things down at all, specifically in Photoshop?

    Any advice on how you would tackle this? Thanks!
  2. sammyman thread starter macrumors 6502a

    Mar 21, 2005
    Ok, I am struggling with how to do 2 drives in the optical bay. I guess I would have to unplug the superdrive. So I think that means I am limited to 5 drives. Not really sure why I bought this: if I can only have 1 drive in the optical bay :(

    1. SSD - Boot
    2. Cache - 640GB 7200rpm drive that comes with the Mac + clone of Boot + Windows Partition?

    3-5. 3 x 1.5TB 7200rpm drives in RAID 0 for Master Drive

    Does this sound better? It would mean time machine on an external NAS, which is OK, but my synology has been RMA'd twice so I am a little sick of it.
  3. mjsmke macrumors 6502a

    Mar 2, 2010
    Sounds good as long as you have a good back up plan for your RAID0 array.

    I have:

    120GB SSD - Boot
    640GB WD Black - Scratch/Boot clone
    x2 1TB Samsung F3 - Raid0 - Current work/Home folder
    2TB WD Green - Complete work/Itunes

    2TB external - Time machine - backs up all excluding complete work
    160GB external - boot clone
    various other extenals - complete work backup.

    If i could justify the expense i would have 2 SSD's in Raid0 for current work/home folder, and another SSD as a scratch disk.

    At the moment im saving up for some other upgrades.
  4. sammyman thread starter macrumors 6502a

    Mar 21, 2005
    That looks like exactly what I will do.

    The only thing I was curious about now is the scratch disk. I read somewhere that with enough RAM, you don't need a dedicated scratch disk. I will hopefully have 32GB of RAM soon, so would it be faster to not have a dedicated scratch?

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