defrag question

  • Thread starter Thread starter hawk
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hawk

If you stop defragging a disk halfway through does the defrag program
return the 'fragments' to their original positions before the current
defrag session or does it just stop and leave the fragments where they
are?

In other words can you stop a defrag session and start again later
at the same place you stopped?
 
If you stop defragging a disk halfway through does the defrag program
return the 'fragments' to their original positions before the current
defrag session or does it just stop and leave the fragments where they
are?

In other words can you stop a defrag session and start again later
at the same place you stopped?
Click to expand...

Whatever files have been moved, defragged, remain defragged, none of
that work is undone. However, little changes may result in the
optimized order of the defagged files changing, so when the defrag
restarts later it may move many many files again, a LOT of
reading/writing/time for relatively little benefit. Better to just
let it run till finished, start it up when you know you'll be done
using the system for a while... you really don't need to defrag all
that often unless you have some extreme file activities going on, and
if you do, you might consider a dedicated partition or two.
 
If you stop defragging a disk halfway through does the defrag program
return the 'fragments' to their original positions before the current
defrag session or does it just stop and leave the fragments where they
are?

In other words can you stop a defrag session and start again later
at the same place you stopped?
Click to expand...
I think it leaves them where they are, after writing what it was writing
when you stopped the defrag.

But I do not think it continues where it left off, as it starts all over
again.
 
I just read an intesting article in PC worls. It said even a very bad
fragmented hard drive had no speed improvements after a drfag. They said
defragging is highly over rated!
 
Guess they've never played any biggish games then ;-)
Click to expand...
The computer certainly slows down when it not been defrag for while.
I noticed mine did yesterday, when I was mucking around with video.
 
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