How to Defragment Mac OS X Hard Drive?

defragment your Mac OS X

User those who have been using Windows, but now they have turn on to use Mac operating system. For them it may be difficult – How they can defrag the Mac Hard Drive? In order to make their computer to perform smooth.

Well, this is common issue with all new Mac users. If you are looking for a way to defragment your Mac hard drive, you must know that Mac OS X version to OS 10.2 there is no need of defragmentation. Apple has provided the inbuilt safeguards that avoid fragmentation. But when any updates, installation or reinstallation, upgrades take place, then you might need to defragment it. So, here are the secure ways to defragment your Mac Hard Drive that you can adopt.

But, before you initiate the process, you must know that only hard drive need you to defragment them, and not SSDs. Furthermore if bad sector present on hard drive then speed will decrease.

Apply the below given defragmentation steps:

Step 1: First of all, make your boot drive lighter by moving the number of bulky files, like movies, videos songs and other heavy files. Make your drive lighter less than 50% because the first part of the hard drive is faster than the second one due to various numbers of sectors. However, it is not recommended to bring your HDD space less than 50%, but doing so, will increase the performance. Take a note that boot drive occupying more than 80% will not work. You can move or reduce the files by using Activity Monitor. After the completion of the process, reboot the drive.

Step 2: Now with the help of fresh blank external drive create a clone of the boot drive of your Mac OS X. You can take help of Mac backup tool Carbon Copy Cleaner to create the clone drive.

Step 3: To reboot your system press and hold option/alt key down. You are now ready to use clone drive to boot up your computer by using the Startup Manager. Check the clone drive for sometimes whether it is working fine or not. If you find any issues, then report them.

Step 4: When you use the clone to boot, delete the internal boot partition or complete drive with the help of Disk utility if boot camp is not present. It will set al the bits to “zero”. Furthermore, if any bad sectors lie on the partition, then simply map them off, so that no data can be written on them ever. It is useful to do so as it takes more time to read from bad sectors. Also make sure you must not move the hard drive while it is in use.

Step 5: Once you complete the above step, clone your external partition to the internal partition. Now execute Disk Utility and Repair Permissions to both external and internal partition and also to the all aspect of Onyx, which is made to clean the caches and rebuild them. After this you will now be able to fix the following in a single batch;

  • Defragmentation issue
  • Corrupt caches problem
  • Boot camp partition issue
  • Bad sector problem

It is useful to have a bootable backup.

If you notice that the speed has decreases after updating, installing or reinstalling the software, upgrading, then you can perform clone or reverse clone to fix the issue.

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Tool to Defragment Mac OS X Hard Drive

However, if you find that the given procedure did not work successfully then you can use the third party tool known as Mac Drive Defrag tool. It is specifically designed to defrag Mac hard drive, organizes free space, improves data access speed and thereby optimizes system performance. The tool is compatible to all Mac Operating system so, you can download this Mac Drive defrag tool to defragment Mac Hard drive easily and quickly without any hassle.