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Windows 7: Checkdisk on SSD


02 Feb 2010   #1

Windows Seven Ultimate 64bit + Vista Ultimate 32bit SP2 Dual Boot
 
 
Checkdisk on SSD

Can you run checkdisk on a SSD? Any restrictions?

My System SpecsSystem Spec
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02 Feb 2010   #2
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

Hello Submarine,

Yes, it's safe to run CHKDSK on a SSD drive. You just do not want to defrag a SSD though.

Hope this helps,
Shawn
My System SpecsSystem Spec
02 Feb 2010   #3

Windows Seven Ultimate 64bit + Vista Ultimate 32bit SP2 Dual Boot
 
 

Thanks!
My System SpecsSystem Spec
.


02 Feb 2010   #4
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

You're welcome.
My System SpecsSystem Spec
03 Feb 2010   #5

Win7x64 XPx86 sometimes Win2K/98se/BeOS/ZetaOS
 
 

I'm curious. I've a first-gen eeePC [701, 4gB soldered SSD XP SP3] and
a defrag with Defraggler speeds the machine up no end, despite having
read it's not necessary. But is it actually inadvisable?
My System SpecsSystem Spec
03 Feb 2010   #6
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

Hello Captain,

A SSD has a set amount of writes (varies per SSD) to a block of memory before it no longer can be written to that block and eventually to all blocks. Since a defrag does a lot of writing to the SSD, it will reduce the number writes you have left and reduce the SSD's lifespan a bit each time you do a defrag. You can read more details about it in the link below though.

Think you know SSDs? Think again.

Hope this helps,
Shawn
My System SpecsSystem Spec
03 Feb 2010   #7
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

In addition, there is no purpose for defrags on SSDs. For a spinning disk, the defrag "compacts" the data on the disk and the seek times get reduced because of reduced rotational delay and arm movement. But on an SSD, the seek time to every cell is the same and there is nothing to be gained with defrag.
My System SpecsSystem Spec
03 Feb 2010   #8

Win7x64 XPx86 sometimes Win2K/98se/BeOS/ZetaOS
 
 

Thanks Brink & whs. Was vaguely aware of the likely damage to the blocks,
and that there is no advantage to rearranging data as with a physical platter,
but nonetheless it seems a damn sight faster afterwards. Machines huh?
My System SpecsSystem Spec
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 Checkdisk on SSD




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