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What does it mean when a drive is journaled?
“A Mac OS Extended volume can be journaled, which means that the operating system keeps a continuous log (journal) of the changes made to the files on the volume.
Should I use exFAT or macOS journaled?
Here’s a basic rundown of which format we recommend for your USB flash drive, broken down by use case. If you absolutely, positively will only be working with Macs and no other system, ever: Use Mac OS Extended (Journaled). If you need to transfer files larger than 4 GB between Macs and PCs: Use exFAT.
What’s the difference between journaling and HFS Plus?
Journaling adds delay and complexity to every operation that will get journaled. Journal writes force data to be written immediately to the drive which can make other outstanding drive transactions slower. A nice treatment of what journaling does is in retired Technical Note TN1150: HFS Plus Volume Format.
Why do I need to format my external hard drive?
A file system is simply a way of organizing and storing data or files on a computer hard drive. When you format your external hard drive, your computer knows where to store, access, and manage files. It also helps your computer install software and manage its internal operations efficiently.
What’s the difference between HFS and Mac OS Extended?
Mac OS Extended, also known as HFS+, HFS Plus or HFS Extended, is actually a journaling file system released by Apple Inc. It was released in 1998 to replace HFS (Hierarchical File System, also known as Mac OS Standard or HFS Standard), which is the previous primary file system in Apple computers.
Which is a better File System APFS or HFS +?
Till now, it’s still the default file system for both mechanical and hybrid hard drives. You should keep it unchanged while you install the macOS or format external hard drive Mac. The HFS+ is a better choice than APFS on even current mechanical and hybrid hard drives.