Apple's macOS, through UNIX, provides a variety of tools to keep your drives healthy, with one of them being the fsck Terminal command. Here's how to use it. fsck, or "file system consistency check," ...
My late 2009 27" iMac is suddenly running fsck_hfs on every restart. I have a ton of files so this is taking about 6 minutes. I used verbose mode during restart to see this happening. It never finds ...