Writing to the Data volume in a VM is dismally slow. Is using shared storage any quicker? What happens when you copy a VM to an external SSD, or to another Mac?
disk image
It’s all too easy to lose all previous versions of a document: one false move to another volume, to iCloud, or shared over a network and they’ve gone. How can you preserve them?
They have more options than most new cars. What are they, how do you use them, how to pick the most appropriate, and which tools to use.
Three types of Disk Image, encrypted or not, tested when freshly made or used and remounted. So many variations, but only one type of Disk Image can be trusted for writing.
A Mac Studio Max has an SSD delivering up to 7.4 GB/s, and a CPU up to 50% faster than a 16-core Xeon. Why does it write an encrypted disk image at the speed of a slow hard disk?
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.
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.
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?
Disk Utility can’t image APFS volumes, and normally returns an error if you try to image a container. Here’s the workaround.
Spundle 1.1 adds creation of encrypted sparse bundles, changing their band size, and more.
The Eclectic Light Company 