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sparse bundle

Securing sensitive data

Securing sensitive data from access by others, and safeguarding it from loss of damage, is common. Solutions range from encrypted images to specialist external disks.

December 29, 2020 Macs, Technology

Fitting a quart into a pint pot with sparse bundles

How to store a 400 GB sparse bundle on a volume which only has 200 GB free space – provided that you don’t actually use the space that isn’t there.

September 21, 2020 Macs, Technology

A brief guide to disk image files

So many different types, from read-only disk image .dmg files, to sparse bundles and DVD/CD-R masters. Which to use, and how to create them?

September 19, 2020 Macs, Technology

Spundle 1.3 is now a Universal App and works fully in Big Sur

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Now runs properly on all versions of macOS from Sierra to Big Sur beta 3, on both Intel and Apple Silicon Macs.

July 28, 2020 Macs, Technology

Limits to size of sparse bundles, and bugs fixed in Spundle 1.2

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Important update for all users, which addresses several bugs in setting the maximum size of sparse bundles.

June 22, 2020 Macs, Technology

Selecting sizes for sparse bundles

How to set the total size, and band size, for your sparse bundles, with calculation of the critical band size.

June 18, 2020 Macs, Technology

How would you like your sparse bundle: encrypted, changed band size, or what?

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Spundle 1.1 adds creation of encrypted sparse bundles, changing their band size, and more.

June 15, 2020 Macs, Technology

How to make Time Machine backups to an APFS disk

Time Machine can’t make backups to a disk formatted in APFS. Oh yes it can – and here’s how you can do it too.

May 26, 2020 Macs, Technology

Spundle: a new utility for creating and adjusting sparse bundles

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Saves you from having to learn how to use hdiutil, and supports 6 different file systems and custom band sizes.

May 18, 2020 Macs, Technology

Snug sparse bundles work better, but…

Is it better to make sparse bundles ‘snug’, sizing them so that they don’t have as much free space? What if you then need to resize them?

May 16, 2020 Macs, Technology

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