![]() Hints for the entire volume again - this is done at idle time and ![]() That the volume is mounted on an SSD - it sends a complete set of trim ![]() In Windows 8, when the Storage Optimizer (the new defrag tool) detects To perform this optimization immediately. Store the information for later optimization or throw away the hintĬompletely and not use it for optimization since it does not have time The SSD may choose to perform the optimization immediately, Regions SSDs consume these hints to perform a cleanup in theīackground called as 'reclaim' that helps them get ready for next Send these trim hints when files are deleted or moved from those Windows is not using certain regions of the storage device NTFS will Level hint that was introduced in the Windows 7 days to indicate that Hard disks are block erasable devices - they can be written to at aīyte level but need to erased at a block level Trim is a storage SSDs are storage devices made of flash memory flash memory unlike In the case of SSD's it will send 'trim' hints for the entire volume General optimization tool that handles different kinds of storage, and Your entry but in Windows 8, we have changed the defrag tool to do a Hello, In Windows 7 - we turned off defrag for SSDs as you mention in Official response to a similar question at The identification of disk type is based on winsat. Just to re-iterate the point and drive it home: Do not think of Disk Optimizer under Windows 8 strictly as Defrag it is now a general purpose tool that performs the appropriate disk optimization task based on the type of disk which is attached. This is the same tool (winsat) that would disable defragmentation of SSDs on Windows 7. Under Windows 8, winsat runs under the Microsoft\Windows\Maintenance schedule in the Task Scheduler. The Windows Assessment Tool (winsat) is what initially determines whether or not the drive is an SSD and switches the behavior of Disk Optimizer. ![]() It is probably a good idea to execute Trim to wipe blocks which are no longer in use. It does not actually defrag the drive, as is the case with a traditional rotating drive. What this does is run the Trim command on the drive (if it supports it). ![]()
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