Running the defrag command and Disk defragmenter are mutually exclusive. If you are using Disk defragmenter to defragment a volume and you run the defrag command at a command-line, the defrag command fails.
Conversely, if you run the defrag command and open Disk defragmenter, the defragmentation options in Disk defragmenter are unavailable. The defragmentation process runs scheduled task as a maintenance task, which typically runs every week. As an Administrator, you can change the how often the task runs by using the Optimize Drives app. When run from the scheduled task, defrag uses the below policy guidelines for SSDs:.
Traditional optimization processes. Includes traditional defragmentation , for example moving files to make them reasonably contiguous and retrim. This is done once per month. However, if both traditional defragmentation and retrim are skipped, then analysis isn't run. Changing the frequency of the scheduled task does not affect the once per month cadence for the SSDs.
If you manually run traditional defragmentation on a SSD, between your normally scheduled runs, the next scheduled task run performs analysis and retrim , but skips traditional defragmentation on that SSD.
If you skip analysis , you won't see an updated Last run time in the Optimize Drives app. Because of that, the Last run time can be up to a month old. That's pretty cool itsp Never knew that. Although as 58Sniper pointed out Diskeeper has some great features besides scheduled defrags.
I would still recommend it. God bless you! As for DiskKeeper, I'll keep it in mind, but I've already asked this employer for so much software-wise this year, I think I need to cool my jets a bit. I've implemented this and I've got high hopes! And for WIndows systems you can install the freeware AutoDefrag. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework. The Tek-Tips staff will check this out and take appropriate action.
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