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Has Anyone Partitioned their Hard Drive in 3 Three?

1017 Views 21 Replies Latest reply: Jan 27, 2013 7:59 AM by mende1 RSS
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darkhorse85 Level 1 Level 1 (0 points)
Currently Being Moderated
Jan 26, 2013 10:30 AM

I have decided to partition the new 750GB internal hard drive I have purchased into 3 partitions.

 

The reason for is I will be using both Snow Leopard and Lion so I will need a partition for each of these in addition to one data partition.

The data partition should save space not having to install my photos, music etc and certain applications on both.

 

My main problem is I now have the confusing task of deciding how much space to allocate into each partition. How much should I give to the Snow Leopard, Lion and Data partitions and why? Below is some general information

 

  • 750GB to play with
  • Need to create partitions Lion, Snow Leopard and Data
  • My new hard drive is a Seagate hybrid drive (part SSD, part HDD) if this makes a difference

 

 

 

If anyone has done 3 partitions before regardless of what OS's you installed I would  greatful if replied. Many thanks.

 

All help appreciated

MacBook Pro, Mac OS X (10.7.3)
  • mende1 Level 10 Level 10 (89,490 points)

    It depends of the applications you want to use on each operating systems. First, I'm sure you want to assign as much space as possible to your data partition, so you can play depending of the applications you are going to use on each operating system.

     

    If you want to install some applications on the data partition (you can do it), you can assign to each OS X about 50-100 GB, and the rest for the data partition. Also, buy an external disk to make backups

  • steve359 Level 6 Level 6 (12,035 points)

    Be warned ... OSX and all OSes need breating room.  OSX needs 15% "free space" always to do normal housekeeping.  When you take space away from OSX, be sure to leave 20 GB unused in the OSX partition.

  • steve359 Level 6 Level 6 (12,035 points)

    Di nada

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

    Some applications require special files on ~/Library (this type of applications come with an installer), so you have to install them on the OS X volume. For example, you should be able to install "drag & drop" applications on the data partition without any problem, and you should install PowerPC applications (or unsupported apps) on the Snow Leopard partition because you can't use them on Lion

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

    Because of the apps. I said it was an approximation and it depends of the apps you are going to install on the OS X volume (read my last comment)

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

    1. "Drag & drop" applications are the applications that are installed just dragging them onto Applications folder, without using any installer. Most of the OS X apps are "drag & drop" ones.

     

    2. You will notice that most of the "drag & drop" applications don't come with an installer, so they just ask you to drag the app icon onto Applications folder.

     

    3. One example of application that requires other files is Microsoft Office for Mac. It comes with an installer and it creates files on Library folder. iTunes isn't applicable because it comes preinstalled with OS X

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

    1. Correct.

     

    2. Simply, applications with an installer require additional files that are automatically installed. I think another application is VirtualBox

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