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I've inherited a machine with a large, badly fragmented disk drive containing lots of files.
Defragging is very slow, and makes the drive seek a zillion times (you'd think enough to cause a meltdown).
Would it be faster (and less wear and tear) to
- pop in another physical volume,
- move as much as possible to that scratch volume,
- defrag the now-nearly-empty original volume,
- then move everything back?
If so, is there some rule of thumb by which to predict when it's faster to recopy instead of defragging?
1What filesystem is in play? What sort of drive? Having two independent spindles seems to always be faster than having one drive read and write to itself while the OS is running. If you have a spare drive (internal or external) it seems like folly to not just move the majority of the files off the fragged drive and wait for / create a maintenance window to copy them back. – bmike – 2011-09-09T15:33:19.693