This can include read and write errors, reassigned sectors (an automatic process if a spot on a disk can’t be successfully written to), unexpected events, and incremental counters for items like how much data has ever been written to the drive. (Self-Monitoring, Analysis and Reporting Technology) information that a drive’s internal operating system records. With a database of drive information that the company has compiled, it offers insight that would take far longer to assemble for anyone but a technical expert.
But it can be hard to surface that without Terminal commands, and tough to interpret the context, especially for SSDs.ĭriveDx from Binary Fruit puts a friendly face on complicated data, and can offer critical information about the state of your drives before a failure. Nearly all modern drives of both kinds have internal diagnostics and track other information about usage and wear. Your hard disk drives (HDDs) and solid-state drives (SSDs) “know” quite a bit about how well they’re functioning.