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Defraging.

post #1 of 9
Thread Starter 
Do you defrag yours SSD?Why?
post #2 of 9
has trim, needs no maintenance
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post #3 of 9
By default, Windows 7 does not defrag SSDs.
post #4 of 9
Correct me if I'm wrong, but defragging SSD's is a HUGE no-no!
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post #5 of 9
There is no point in defragging an SSD. The purpose of defragging is to make your files contiguous so that they load in a single spin up instead of multiple. On an SSD, the access time for each part of an entire file is ridiculously faster than any spin up from a mechanical drive.

This also causes HUGE unnecessary writes to your SSD and this causes its life expectancy to drop if you were to defrag consistently.
Summary -

Mechanical HDD maintenance = Defrag
SSD Maintenance = NO DEFRAG

TRIM and Garbage collection were the defrag equivalent maintenance to SSD's.
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post #6 of 9
Don't do it!

There's no reason to have to defrag your SSD for the reasons stated above.
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post #7 of 9
Quote:
Originally Posted by Nicnivian View Post

Correct me if I'm wrong, but defragging SSD's is a HUGE no-no!

It's only going to decrease the life of your SSD by wasting read/write cycles. There is no benefit.
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post #8 of 9
Just adds extra wear to your NAND. Do not do it, there is no point.

Why you shouldn't defrag a SSD By: ACHILEE5
Defrag programs assume that LBA (Logical Block Addresses) are fixed to a specific physical point on the hard disk.
For example, LBA=1 is next to LBA=2, which is in turn next to LBA=3.
This is not the case for SSDs as LBAs for flash pages change based on its wear leveling algorithm!

Even if a file is stored in sequential blocks according to its LBA address (ie. the file is not fragmented according to the OS/defrag program), it might be sprawled across several flash chips!
post #9 of 9
As stated, there is no benefit to having contiguous data on a solid state drive.
Therefore, there is no reason to defragment.

Defragging anyway would simply re-allocate a lot of data on the drive and senselessly burn up write cycles, while gaining nothing.

Also keep in mind that while windows may say "OK everything is together now!", the data is actually strewn across all of the flash randomly at the SSD controller level. Ultimately, you accomplish nothing.
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