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makinero:

--- Quote from: Boggin on June 13, 2016, 01:18:35 pm ---It shouldn't be trying to defrag your SSD - TRIM looks after that.

Does this program recognise a SSD to leave it alone ?

--- End quote ---

https://blog.oo-software.com/en/defragmentation-and-ssds-opportunities-and-risks

O&O Defrag Tool consists of two technologies:
Trim SSD (fast action)
SSD Optimizer (slow action)

I got used to the old Sevens and I'm not going to change to another system.

Boggin -  :wink:

The new O&O Defrag 19 also brings along an SSD optimizer that improves the actual structure of a SSD file system. Since their introduction there has been an ongoing discussion as to whether SSDs can be defragmented or not. In theory it is barely necessary since they operate so fast and the lifespan of the drive is reduced the more write accesses are made. As such a comprehensive defragmentation is neither required nor desirable. That has always been taken into account with O&O Defrag.

In spite of this, SSD file systems suffer from an inherent fragmenting of data, just like a traditional hard disk. This can be particularly high with cheaper models with limited storage space and where memory usage has reached a high level. This fragmenting reduces the read and write performance. When heavily fragmented files are rewritten, the actual wear leveling performance is also reduced. The NTFS file system also soon reaches its performance limit when suffering from extreme fragmentation.

This is why O&O Defrag 19 now also provides an optimizer for SSDs which on the one hand resolves and prevents extreme fragmentation, and on the other hand ensures that unnecessary write operations are prevented and that the SSD optimization is rounded off with regular TRIM commands.

Boggin:
It doesn't seemed to have made a very good job of that if there's still 39.94% fragmentation - just what are you paying for with a paid for defragger ?

Windows has its own tools that can usually do the job better even if they can take a little bit longer than 3rd party programs, but of the couple of 3rd party defrag programs I've tried in the past, Windows has been the only one to give me 0% fragmentation on my HDD.

Personally, I'd ask for my money back as it doesn't appear to be doing what it says on the tin.

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