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journalling

Inside the file system: 2 HFS+ volumes

What you need to know about the HFS+ file system, so you can understand error reports and how to repair it using Disk Utility and other tools.

October 7, 2020 Macs, Technology

Watching macOS file systems: FSEvents and volume journals

Explains how Time Machine knows what to back up, why it performs deep event scans, and how that system is different from HFS+ journaling.

September 12, 2017 Macs, Technology

After the crash: replaying the journal to prevent disk errors

Your disk’s journal aims to prevent disk errors which can occur after a crash. Here’s how to use it to protect your Mac’s data.

July 4, 2016 Macs, Technology

Q&A: Folder timestamps and journalling

Do folders have timestamps to keep track of the last modification and original time of creation? Are these updated when metadata are modified, and how does journalling fit in with this?

June 2, 2015 Macs, Technology
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