AusLogics DiskDefrag is a very effective interesting alternative to Windows defragmenter. It was developed to increase the performance and stability of the computer. The application enhances productivity and reduces the waiting time for loading files.
The software does not have many features, has a simple and easy to use interface with a representation of the disk colored squares and makes the defragmentation a very simple task that is performed in no more than a few minutes.
AusLogics DiskDefrag offers a detailed description as well as the fragmentation process map report.
If it uses the Microsoft defragmentation APIs it should be able to, as the deduplication chunks and metadata are stored as plain files on the disk. If you're paranoid about data loss, just disable the dedup jobs on the volume before running it. I asked Ran Kalach, part of the dedup team at Microsoft about this, and he stated that there were no known data integrity issues with 3rd party defragmentation programs which use the Microsoft defragmentation APIs. Although there could be performance issues due to large sparse files utilized by dedup.
To address the comments in your question regarding defragmenting a deduplicated volume is of little use, I would have to disagree. To start off not all files and directories are always deduplicated. In a default configuration several file types are excluded, see the ExcludeFolder, ExcludeFileType and ExcludeFileTypeDefault properties for the Get-DedupVolume cmdlet. This can be further configured by the administrator, for instance I exclude .MKV video files because of the low duplication rates in my environment. Also files in excess of 1TB will not be deduplicated even in Server 2016, and files 32KB or smaller will not be deduplicated either. Secondly, free space fragmentation can decrease write performance, and can increase the chance future files are fragmented. Thirdly even if a deduplicated file is inherently fragmented, a fragmented deduplication chunk will further decrease performance. And finally by grouping dedup chunks together with a program like MyDefrag you can reduce the time it takes to perform garbage collection and scrubbing jobs by reducing the amount the amount of time spent as the disks are seeking.
Also the data itself will not be rehydrated if defragmentation is ran as the user visible deduplicated files are stored as reparse points on disk - a special type of file similar to a junction or directory mount point.
Sure, but I'm still confused why it's a PUA. TO me, PUAs are stuff like the ASK Toolbar, things that install themselves in the background without permission, trackers, etc. Whereas Auslogic's disk defragger does exactly what it claims to do and it does it very well. And I use the Portable version from their website, which doesn't even install anything.
Auslogics Disk Defrag will optimize and organize your hard disk files, defragment the file structure, and speed up applications and Windows. With the help of Disk Defrag your computer disk will work flawlessly fast and stable.
It is very good actually, when you defragment the disk with this tool you can also erase the temporary files and choose how much PC resources to occupy, the best of all that it does not take more than...
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