Why does compressing a 15 GB file within a sparse bundle run more slowly than would be expected from its write performance?
hdiutil
Which are the best tools for the occasional user? For someone who creates disk images to distribute sofware? Or for hacking sparse bundles?
Sparse bundle passwords, shared folders in macOS VMs, and security updates for VMs, are all important fixes. But none for the Finder.
The update to bring macOS Sonoma to version 14.3 isn’t large, although it has some compelling security content […]
How to change the password for an encrypted sparse bundle, and how to use an ISO keyboard in a macOS VM on Apple silicon.
Two memory leaks in the Finder, inability to change password for encrypted sparse bundles, and a crashing bug in Contacts. Detailed and reported to Apple.
New version creates and maintains Case-sensitive APFS sparse bundles in addition to its previous range of formats.
Why macOS may refuse to give you a very large sparse bundle, how you can’t change the password of encrypted sparse bundles, and more.
hdiutil chpass, the only means of changing passwords for sparse bundles, doesn’t work in macOS Ventura 13.3.1. The workaround requires a VM and 13.1.
Plain read/write (UDRW), sparse image (UDSP), and sparse bundle (UDSB) compared for storage efficiency, performance, and convenience.
The Eclectic Light Company 