How to measure read speed on storage using 1600 files totalling over 320 GB, enabling comparison between internal and external SSDs.
A lot safer than racing through the English countryside in the dead of night, and perfectly legal. So why can’t we get a clear answer to how well an SSD performs?
Disk structure diagrammed for comparison, from the partition table, to HFS+ and APFS volumes, with further references.
What you need to know about the APFS file system, its containers and volumes, so you can understand errors and how to repair them.
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.