Asphyxium Posted November 9, 2018 Share Posted November 9, 2018 Hello. My understanding of the optimization in defraggler for SSD's is that it executes what the TRIM function does across the whole drive. What I need to know is does it affect areas of the disk already taken care of by a drive's built-in trim function? I am concerned that it is affecting areas of the drive already optimized by TRIM and that I am depleting the lifespan of the hardware. Thank you. Link to comment Share on other sites More sharing options...
Moderators Augeas Posted November 9, 2018 Moderators Share Posted November 9, 2018 It probably has no, or very little, effect on the lifespan of the device. A retrim (which is what an SSD optimise is) will issue the same TRIM command to pages already trimmed, as NTFS - which issues the TRIM and retrim commands - has no knowledge of what pages have already been trimmed. I would imagine that the SSD controller would recognise that a page has already been trimmed and ignore the retrim command for that page. A cluster which has had a successful TRIM executed against it does not have a physical page allocated to it so it's difficult to see how it could be trimmed a second time. I've used the words probably and imagine as nobody here knows how the propietary software in SSD controllers works at this level of detail. Link to comment Share on other sites More sharing options...
Asphyxium Posted November 11, 2018 Author Share Posted November 11, 2018 Thank you very much!!! Link to comment Share on other sites More sharing options...
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