These reports can provide detail about the current wear state of your Fusion Drive SSD (or a regular full-disk one). My colleague John recently wrote in and eventually ran four different disk diagnostics, because not all of them agreed initially. He has a 2015 iMac and is a heavy user of image-editing software, and the better diagnostic packages agreed that his SSD had already worn to near-failure status after just four years. For comparison, I have a 2017 iMac with a Fusion Drive (a 28GB SSD and 1TB hard drive), and DriveDx reports it’s only consumed about 10 percent of its estimated lifetime of use after two years of daily use. IDGĭriveDx’s diagnostic shows a very not good situation.

If your Fusion Drive’s SSD appears to be failing, ensure you have a complete backup of your Mac before you do anything else. Use Time Machine or any of several disk-cloning apps, like SuperDuper! or Carbon Copy Cloner.Welcome to this User Tip on how to use DriveDx. DriveDx is a great App for checking the health of storage devices on your Mac. For a simple check of your drives, the free trial is fine. However, the premium version does include more features and you can use it indefinitely. You can read more here: DriveDx & DriveDx Store. Once you have downloaded DriveDx, open the downloaded App. In the App, select 'Try Now' to start your trial and get the drive information you need. You will then see a list of devices in the left sidebar. Select the device that you want to get a report for, and click 'Save Report'. If you have a Fusion Drive, there will be two entries of your internal drive listed, since one is the SSD and the other is the HDD. Click 'Save Report' for both in this case. The report(s) will be saved in a text format.įrom here, copy the saved report. You can then use the Additional Text function on Apple Support Communities to paste the DriveDx report. If you have multiple reports, use the Additional Text function multiple times to upload both reports separately. This is what the final product of a DriveDx report should look like: Give your DriveDx report a Title in the 'Title' field, and paste the report in the 'Add a note, error log, etc.' area. Should DriveDx report your drive is failing, back up all data immediately. Even if your drive isn't failing, it is still a good idea to have a backup. The best way to create a backup is using Time Machine: Back up your Mac with Time Machine - Apple Support. Mac computers with USB-A and/or USB-C Connectivity (these drives ship with USB-A and USB-C Cables): For Time Machine, you need an external hard drive. LaCie Rugged USB-C Portable Hard Drive - Apple (available in 1TB, 2TB, 4TB, and 5TB).Modern Mac computers with USB-C Connectivity (these drives ship ONLY with a USB-C Cable): G-Technology 10TB G-DRIVE USB-C External Hard Drive - Apple (available in 10TB).G-Technology G-DRIVE mobile USB-C Portable Hard Drive - Apple (available in 1TB, 2TB, 4TB, and 5TB).

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