If done as part of a backup routine the time hit may not be terrible but it's free to do it this way. This is done using Carbon Copy Cloner or SuperDuper and requires an extra hard drive. The most popular options for defragmenting a hard drive for OS X I've used and run across are:Ĭloning the hard drive to another drive and back. For your standard user - a near non-issue. The OS itself also defrags "small" (20MB or smaller) files on the fly since 10.3 (Panther).įragmenting still happens and you can see performance drop because of it, especially in video editing systems or a workflow that requires the ability to read or write large files quickly to the disk.
#Update for idefrag for mac os x#
Speaking for Mac OS X specifically HFS+ does a decent enough job of trying to keep things from being fragmented compared to older systems but it still happens just not on the same scale. All filesystems will fragment but newer ones are more resistant to fragmenting so badly. Useful in certain circumstances but it's less of an issue than it was with FAT or regular HFS.
#Update for idefrag license#
A free license from the developer is available here.
My answer on Server fault fits here as well : Version 5.3.1: Note: This product is not compatible with macOS Mojave and later. /rebates/&252fidefrag-for-mac-os. I suggest also taking a look at Server Fault's answers as well: Mac OS X 10.2 and later includes delayed allocation for Mac OS Xįragmentation was often caused by continually appending data to existingĪggressive read-ahead and write-behind caching means that minor MacUpdate stores previous versions of iDefrag for you since v. Valec added UltraDefrag (Open Source Version) as an alternative to iDefrag. If you experience any compatibility issues with iDefrag for Mac, consider downloading one of the older versions of iDefrag. NosaLee added iDefrag as alternative (s) to WinExt Free. iDefrag is a disk defragmentor for Mac that is in charge of optimizing the location of files in a predetermined volume. Hard disk capacity is generally much greater now than a few years ago. If you experience any compatibility issues with iDefrag for Mac, consider downloading one of the older versions of iDefrag. Download Old Versions of iDefrag: 5.1.3 - 2.2.8. I think the best answer for this comes straight from this apple support KB
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