Anecdotal evidence suggests that I’m not alone in this disk errors beyond the purview of Disk Utility seem to have declined sharply. Lately I’ve noticed something curious: While I used to turn to such utilities every few months, I haven’t had to do so in a long time-certainly not in the past couple of years.
#Use tech tool pro for fusion drive software
Regardless of those details, when your disk is misbehaving, you probably don’t care if you have an invalid B-tree node size or an overlapped extent allocation you just want the symptoms to go away.Īpple has made ongoing hardware and software improvements that keep disks running happily more of the time. (Directory damage, perhaps the most common type of disk error, can produce symptoms such as missing or inaccessible files, applications that won’t launch, and startup problems.) Most of these tools can also repair a partition map, which is a chunk of data that describes how data is to be stored on a disk and many can repair certain kinds of errors with individual files, too (such as damaged preference files).
Does that advice still make sense?ĭisk utilities claim to be able to fix problems involving a volume’s directory, which keeps track of where all your files and folders are.
Yet for many years conventional wisdom held that you also needed at least one third-party disk repair utility on hand to solve the problems Disk Utility couldn’t. OS X’s Disk Utility-which enables you to format, partition, repair, and perform other kinds of maintenance on disks (including SSDs, flash drives, and disk images)-is good for what it does.
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