How long will it take to format new 2TB hard drive?

I use a Mac Pro (Mid-2012); run High Sierra. I've just installed a new internal 2TB hard drive in my Mac Pro.

  1. How long will it take to format and install High Sierra on my 2TB hard drive?
  2. How will I know when the process is complete?

Mac Pro, macOS 10.13

Posted on Apr 24, 2020 5:34 AM

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9 replies

Apr 24, 2020 6:30 AM in response to Angel Llorente

The default formatting process only re-writes the first 1000 blocks or so -- where the Directory will be placed. That can finish in about a minute.


If you choose the Zero the drive (using the first security ERASE setting) that takes all afternoon or longer.


Security ERASE for SSD drives is not helpful, and the security ERASE should be blocked for those drives. It adds wear and is never appropriate for SSD drives

Apr 24, 2020 7:04 AM in response to Grant Bennet-Alder

My new 2TB Internal Hard Drive is 7200 RPM Class, SATA 6 Gb/s.


I have 4 internal hard drives on my Mac Pro (Mid-2012).

I'm using HD #3 as my main HD until I format the new 2TB HD. When I boot up on HD #3, the menu bar font and the desktop folders are unbelievably huge!

  1. How can I make the menu bar font and the desktop folders smaller?
  2. Just yesterday, April 23, 2020, the menu bar and the desktop folders where of reasonable size. I don't know what happened between yesterday and today that made everything on the desktop bigger.


Apr 24, 2020 9:30 AM in response to Angel Llorente

BDAqua has you covered on overall font sizes. Choosing a different "Scaled" setting in displays preferences will change the TEXT scale-factor to enlarge added TEXT at a different rate. This helps with overall "tiny Text".


The desktop folder Icons and their labels are not at all intuitive.

In Finder, open the desktop folder and choose Icon display.

From the Finder's View menu, choose Show View Options. You get this box with its associated controls:


Note controls for Icon Size, grid spacing, and text size.

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Apr 24, 2020 9:35 AM in response to Angel Llorente

When you boot from a different drive, you will be using the settings saved in that copy of MacOS.


Changes like the ones you describe are not unexpected.


You are free to have a copy of MacOS on each drive, but that is not a requirement. You can have a drive with additional folders just for files, and have your boot drive separate.


That is the way the MacPro 2013 works -- the boot drive SSD is fast, but small. You can't possibly put all your files on it, so some needed to go on a data-only drive.

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How long will it take to format new 2TB hard drive?

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