Increase Sparse Bundle Size

I am working with a sparse bundle that has run out of space. Get Info shows a limit of 2 GB. Is there some way to increase the size?

Mac mini, macOS 15.2

Posted on Jan 24, 2025 2:08 PM

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7 replies

Jan 26, 2025 10:24 AM in response to DesertRatR

AFAIK, a file named gred.dmg.sparsebundle would represents a sparse bundle disk image, which differs from a regular .dmg or .sparseimage file. Instead of being stored as a single large file, a sparse bundle is a directory containing many smaller "bands" (files) that collectively represent the disk image.


The inclusion of .dmg in the name suggests it was originally created as a macOS disk image and formatted for mounting like any other .dmg file.


... so, does it matter, I'm not sure as I have never attempted to increase the size of a sparse bundle disk image.


However, it should be possible to increase the size of the sparsebundle using either the Disk Utility or commands in the Terminal app.


To do so via the Disk Utility:

  1. Open Disk Utility.
  2. Locate and select the mounted sparse bundle in the sidebar.
  3. Click Resize or Partition (depending on the macOS version).
  4. Enter the new desired size and apply the changes.


If you are comfortable with using the Terminal:

  • Use this command: hdiutil resize -size [new_size] [path_to_sparsebundle]
    • Replace [new_size] with the desired size (e.g., 100g for 100 GB) and [path_to_sparsebundle] with the path to your .sparsebundle file.

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Increase Sparse Bundle Size

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