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Anyone using Lion and Snow Leopard?  I will be soon.

321 Views 8 Replies Latest reply: Dec 5, 2012 1:54 AM by darkhorse85 RSS
darkhorse85 Level 1 Level 1 (0 points)
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Dec 2, 2012 11:53 AM

I will soon be using both Lion and Snow Leopard on my newly upgraded hybrid hard drive.I know that I should need to partition the drive into three 1 for Lion 1 for SL and 1 for data/applications.

 

 

  1. The problem is how is how much space should I give each partition?
  2. Has anyone done this before or have any good ideas how to go about it?

 

 

Some extra info:

  • I am currently using a MacBook Pro (mid 2009 13")
  • I am currently using Lion OS X v10.7.4
  • The new drive is 750GB Seagate Momentus XT 7200rpm 8GB(solid-state) hybrid drive
  • The soon to be replaced drive is a stock 250GB 5400rpm HDD

 

Thanks all help appreciated

  • mende1 Level 10 Level 10 (89,490 points)

    First of all, I recommend you to store applications on the Mac OS X partition, so you'll have applications for OS X Lion and others for Mac OS X Snow Leopard if you want to use different programs in them.

     

    It depends of the amount of programs you need. Mac OS X Snow Leopard and OS X Lion takes 10 GB of hard drive, so add the programs and you'll get the space you have to give. The rest of the storage is for the data volume

  • Kappy Level 10 Level 10 (221,270 points)

    60 GBs is about the minimum to allocate for each OS.

  • Kappy Level 10 Level 10 (221,270 points)

    It's important that you leave a minimum amount of free space for the OS to use. You will see anywhere from 16 to 30 GBs for your OS and iLife apps. You need enough space to allow for all your third-party applications and document files. When fully set up you may have only 30 GBs of free space which is an appropriate amount to have, but not less than 20 GBs. That makes 60 GBs a reasonable minimum size.

     

    If you haven't put everything in concrete, I might suggest going with a 500 GB Seagate XT hybrid together with a 128 or 256 GB SSD using an OWC DataDoubler replacing the optical drive. I suggest that mainly because using the same hard drive for the OS and Data partitions will actually make file I/O slower. Having two drives and using an SSD for the startup volume will enhance file I/O operations. Only two partitions on the SSD - each 60 GBs - fit neatly in 128 GBs.

  • mende1 Level 10 Level 10 (89,490 points)

    If you have to use the same data on both OSes, use the third volume to store your data. If not, it's better to use an external drive. You can use the data volume on both OSes without restarting

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