The file system will prevent using the recently freed space from files that have been deleted whenever possible and look for other greater space in the hard disk that free and available. But with Mac OS Xâ€™s HFS+ files system, it safeguards the files from getting fragmented. The hard drive on the other hand has to look for different locations when accessing these files thus taking the access time quite longer. Other options include running a utility such as SuperDuper that will create a clone of the startup drive and then format the drive with the use of Disk Utility and retrieve back the files in the system.īut other remedies that you can do is defragment Mac hard drive and before you go on defragging your Mac you need to understand first the difference between disk defragmentation and disk optimization.įragmentation is a process where different parts of files are split and stored into multiple locations in the hard drive. This can be tedious at all but quite effective too. Then re-install the Mac operating system and then restore back all your old files.

If this happens there are some simple remedies that you can do about it.įor large files that are filling up the hard drive it is necessary to create a backup copy of all these important files. There are two main scenarios why fragmentation occurs and this can be due to large files that are created more often and the disk space is already low in memory. If your looking for Mac disk defrag tool that is right for the Mac, you can easily select from the wide variety of defragging tools that will optimize and boost the systemâ€™s performance in the process. Even Apple states that their Mac wonâ€™t need to defrag their Mac OS X however offer instructions on how to defrag Mac just in case users might need it. Defragmentation and disk optimization in Mac OS X is still a continuing debate among the Mac users.

Mac defrag external hard drive