You are frequently saving particularly large files, greater than 1GB.You are running out of storage space (we always advise keeping 10% of your storage free).
#TECHTOOL PRO 7 OS 10.11 MAC#
The only reason you might need to defrag your Mac is if the following applies: Guide to using Disk Utility here, and also various
Luckily Macs have a number of tools in Disk Utility for troubleshooting and fixing various problems with your system, so it’s worth having a look there. No doubt Apple’s response to that would be that APFS will not benefit from defragging.Ĭhances are that if you are having a problem with your Mac it is unrelated to fragmented files. The companies that make tools for defragging Macs complain that Apple hasn’t issued sufficient information about how APFS works for them to be able to be able to offer tools to defrag the new filing system. Like its predecessor, APFS automatically defragments your drive on the fly, although it works a little differently as it creates snapshots of files so you can access different versions of the same files. APFS was initially only available on SSDs (which as we’ve already said, shouldn’t be defragged anyway), but it arrived on hard drives and Fusion drives in 2018 with Mojave. A year later, in 2003, Hot File Adaptive Clustering arrived, which identifies files that are frequently accessed but rarely updated and moves them to a special area of the drive, defragging them during the process.Īpple then introduced APFS (Apple File System) in High Sierra in 2017.
#TECHTOOL PRO 7 OS 10.11 MAC OS X#
Then in Mac OS X 10.2, which arrived in 2002, the system got even cleverer at avoiding fragmentation. HFS+, which was introduced in 1998, could defrag files on the fly thanks to Hot File Clustering. Mac do not need to be defragmented because the file system (initially HFS+ and more recently APFS) prevents fragmentation and automatically defrags files if necessary – if the file has more than eight fragments, or is smaller than 20MB, it will be automatically defragged. If you are running High Sierra or Mojave, and your file system has been changed to Apple’s newer APFS, you will not be able to use any third party tools to defrag your Mac as there are none that work.
#TECHTOOL PRO 7 OS 10.11 UPDATE#
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