Apple fixes bug that stopped utilities making bootable backups

Mac utility app SuperDuper! will no longer always fail to make a bootable backup because of a bug in macOS Sequoia — but Apple's fix doesn't remove all problems.SuperDuper! app icon amidst hard drives and a Mac keyboardThe newly-released macOS Sequoia 15.3 has corrected a problem that saw the SuperDuper! backup utility fail at particular step in making a bootable copy of a drive. Developer Dave Nanian reported in December 2024 that the then-new macOS 15.2 had changed a feature called the Replicator.Nanian thought the change might have been accidental, but whatever the cause, it was causing his app — and presumably other backup utilities — to fail. "Towards the end of replicating the Data volume," he wrote at the time, "seemingly when it's about to copy either Preboot or Recovery, it fails with a Resource Busy error." Continue Reading on AppleInsider | Discuss on our Forums

Feb 3, 2025 - 19:50
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Apple fixes bug that stopped utilities making bootable backups
Mac utility app SuperDuper! will no longer always fail to make a bootable backup because of a bug in macOS Sequoia — but Apple's fix doesn't remove all problems.

A stylus, paper drawing of a hard drive, pencil, and external hard drive on a desk with a keyboard.
SuperDuper! app icon amidst hard drives and a Mac keyboard

The newly-released macOS Sequoia 15.3 has corrected a problem that saw the SuperDuper! backup utility fail at particular step in making a bootable copy of a drive. Developer Dave Nanian reported in December 2024 that the then-new macOS 15.2 had changed a feature called the Replicator.

Nanian thought the change might have been accidental, but whatever the cause, it was causing his app — and presumably other backup utilities — to fail. "Towards the end of replicating the Data volume," he wrote at the time, "seemingly when it's about to copy either Preboot or Recovery, it fails with a Resource Busy error."


Continue Reading on AppleInsider | Discuss on our Forums