What you need to know about the APFS file system, its containers and volumes, so you can understand errors and how to repair them.
storage
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.
What you need to know about disk formatting using the GUID Partition Table (GPT) to understand its problems and how to repair it.
Here are several good reasons that Big Sur will need more storage space than previous versions of macOS.
This can now be incorporated into your own scripts, to check the integrity of important files automatically.
Can you use error-correcting code to repair very large files, for example of around 20 GB or more?
Selecting a RAID level to preserve file integrity can be confusing. Here’s a guide, complete with the ifs and buts.
What difference does it make when a file has a block of 512 bytes corrupted instead of just a single byte? Results from image formats and recovery using ECC.
For all their compactness and ease of access, are our files going to prove less durable than a clay tablet recording a commercial transaction over 4,000 years ago?
Tests bring some surprises, with encrypted sparse bundles looking resilient to small amounts of corruption.
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