![]() ![]() Hard drives include a technology called SMART (Self Monitoring, Analysis and Reporting Technology) which can inform a computer about the health of its hard drives. The Partition Repair tool does just what it says, repairing the partition maps or drives where needed. This includes hidden partitions which keep track of your Mac's startup process. If errors are found, they can be repaired usin the Partition Repair tool.Īlong with Volume Rebuild, which repairs Mac file systems, the Partition Repair tool repairs the remaining portions of the drive which keeps track of the volumes on your hard drive. Partition map errors can cause entire volumes to go missing, or prevent a Mac from booting. The new Partition Map test checks the partition map of a given drive for errors. It is important also to test the data structures that contain the Mac's file system: the Partition Map. TechTool Pro has long been known for testing your Mac's file system. Using the new configuration panel, you have total control of the Check Computer suite. Sometimes, though, it's nice to be able to leave tests out, or to skip certain drives. All of that, wrapped in an entirely new interface.Ĭheck Computer is a handy way to tell TechTool Pro to run the entire suite of tests to give you the best possible snapshot of your Mac's health. ![]() It also includes the same improvements to the SMART check in TechTool Pro. New features include check for I/O errors, Power On Self-Test errors, Mac notebook internal battery condition, and RAID status (if applicable). TechTool Pro 9 includes the option of installing a system preference pane to keep watch over your Mac. I would really like to be able to justify the new version out of loyalty to a product and its developer, I have trusted and relied on for so long, but to me the value is simply no longer there and certainly not at that price.TechTool Protection - Reengineered to better protect your Mac Not to say that Micromat has not done a good job with TTP rather that it and its competitors Diskwarrior and Drive Genius are no longer the essentials they once were. reports and Micromat's own Drive Scope does a better job at that (although the current version of Drive Scope crashes on launch on my M1 Mac mini running macOS 11.5 beta and is IMO pricey for a one-trick-pony). Now it has been well over a decade since I have encountered a damaged volume structure, disk and file optimization of SSDs has, if anything, a negative effect on their performance, and the only near-unique feature I find valuable in TTP is the detailed S.M.A.R.T. Back when TTP, Diskwarrior, and Drive Genius were first released having one, or more, of them readily available was essential because damaged volume structures were an all too common occurrence, Disk Utility's repair functions were notoriously weak, and disk and file optimization were essential to HD performance. My thinking is less analytical and more intuitive. When TTP was available on disc only because Apple wouldn't allow a d/l of the boot sequence, paying the upgrade price was almost mandatory, but since it became available as a d/l, there's been no need to pay for new versions before you needed them. In other words, does it still provide the troubleshooting functionality that made it a more or less "must have," or has that functionality fallen by the wayside and been replaced by attractive but less useful options? (And the same goes for DiskWarrior and Drive Genius.) Offer detailed, exportable reports on all test functions. Perform a check of your sound system and speech synthesis functions Ĭreate an eDrive (electronic drive partition that can be used as an emergency startup partition Lion automatically creates an emergency startup partition) Perform a check of your monitor and verification of iSight functions Scan your local networks, and report on all devices found, their IP address, and what services and ports are active (Figure 5) ![]() Verify and repair disk permissions (Disk Utility does this, too, but with less detailed results) Securely erase data (Disk Utility can do this, too, with fewer options) Įnable or disable file system journaling (Disk Utility can do this as well) Recover files from a damaged volume, or in certain cases, from the trash Optimize a volume to consolidate free space Perform a check of volume directory corruption (again, Disk Utility can do this, too, but with less detailed results) ĭefragment a drive (Mac OS X does this automatically, but not with the same manic sense of completeness) Perform a SMART check of a hard drive, confirming that the on-board electronics are working and properly reporting drive health (Figure 3 Disk Utility can do this, too, but with less information on results) Perform a surface scan of a hard drive, checking every byte for bad blocks Clone a volume (Figure 2 Disk Utility can do this, too, but with fewer options) ![]()
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