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Can't defrag certain files - even in Safe Mode


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Purkinje Purkinje is offline
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10-May-2009, 12:15 AM #1
Can't defrag certain files - even in Safe Mode
I recently did a defrag on my laptop hard drive, and i noticed that i'm getting errors on the same files, saying that some files were unable to be moved.

Here's a log from when I ran it in regular Windows XP.

Code:
--------------------------------------------------------------------------------
Fragments       File Size       Files that cannot be defragmented
2               420 MB          \Documents and Settings\Nathan\Desktop\Warcraft III\war3.mpq
75              440 MB          \Documents and Settings\Nathan\Local Settings\Application Data\Google\Google Desktop\d8541706a902\rpm1m.cf1
404             450 MB          \Program Files\Steam\steamapps\source models.gcf
167             460 MB          \Documents and Settings\Nathan\Local Settings\Application Data\Google\Google Desktop\d8541706a902\rpm.cf1
72              620 MB          \Documents and Settings\Nathan\Local Settings\Application Data\Google\Google Desktop\d8541706a902\dbeam
24              671 MB          \System Volume Information\_restore{4E015214-6BB0-4181-B365-456CF1DEC069}\RP349\A0183127.exe
29              704 MB          \Documents and Settings\Nathan\My Documents\My Videos\Two Heads Are better Than None\Kenan And Kel - Two Heads Are Better Than None.mpg
5               706 MB          \RECYCLER\S-1-5-21-1517058887-1443211527-2734774989-1006\Dc577\Final Fantasy 9 Disc 1.iso
8,875           841 MB          \Program Files\Steam\steamapps\half-life 2 content.gcf
5,692           976 MB          \Program Files\Steam\steamapps\source sounds.gcf
11              985 MB          \Program Files\Steam\steamapps\source 2007 shared materials.gcf
285             986 MB          \Program Files\Steam\steamapps\portal content.gcf
18              1.00 GB         \Documents and Settings\Nathan\My Documents\My Virtual Machines\Ubuntu\564d44bc-45ef-7659-91c0-23fd959ddd53.vmem
55              1.02 GB         \Program Files\Steam\steamapps\source materials.gcf
229             1.06 GB         \System Volume Information\_restore{4E015214-6BB0-4181-B365-456CF1DEC069}\RP354\A0185529.exe
644             2.32 GB         \Documents and Settings\Nathan\My Documents\My Virtual Machines\Ubuntu\Ubuntu.vmdk
And here's the one from running in safe mode. You'll notice they're pretty similar.

Code:
--------------------------------------------------------------------------------
Fragments       File Size       Files that cannot be defragmented
2               420 MB          \Documents and Settings\Nathan\Desktop\Warcraft III\war3.mpq
75              440 MB          \Documents and Settings\Nathan\Local Settings\Application Data\Google\Google Desktop\d8541706a902\rpm1m.cf1
404             450 MB          \Program Files\Steam\steamapps\source models.gcf
167             460 MB          \Documents and Settings\Nathan\Local Settings\Application Data\Google\Google Desktop\d8541706a902\rpm.cf1
72              620 MB          \Documents and Settings\Nathan\Local Settings\Application Data\Google\Google Desktop\d8541706a902\dbeam
24              671 MB          \System Volume Information\_restore{4E015214-6BB0-4181-B365-456CF1DEC069}\RP349\A0183127.exe
29              704 MB          \Documents and Settings\Nathan\My Documents\My Videos\Kenan And Kel - Two Heads Are Better Than None.mpg
5               706 MB          \RECYCLER\S-1-5-21-1517058887-1443211527-2734774989-1006\Dc577\Final Fantasy 9 Disc 1.iso
8,875           841 MB          \Program Files\Steam\steamapps\half-life 2 content.gcf
5,692           976 MB          \Program Files\Steam\steamapps\source sounds.gcf
11              985 MB          \Program Files\Steam\steamapps\source 2007 shared materials.gcf
285             986 MB          \Program Files\Steam\steamapps\portal content.gcf
18              1.00 GB         \Documents and Settings\Nathan\My Documents\My Virtual Machines\Ubuntu\564d44bc-45ef-7659-91c0-23fd959ddd53.vmem
55              1.02 GB         \Program Files\Steam\steamapps\source materials.gcf
229             1.06 GB         \System Volume Information\_restore{4E015214-6BB0-4181-B365-456CF1DEC069}\RP354\A0185529.exe
644             2.32 GB         \Documents and Settings\Nathan\My Documents\My Virtual Machines\Ubuntu\Ubuntu.vmdk
Any ideas on why this is happening and how to fix it?

Thanks,
Purkinje
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10-May-2009, 07:54 PM #2
How much free space do you have on that hdd?
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Purkinje Purkinje is offline
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10-May-2009, 08:22 PM #3
12 gb.
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11-May-2009, 07:15 AM #4
Windows needs at least 15% free space on a HDD in order to defrag, so it you have at least a 40 gig HDD you have 30% free and that's enough.
Perhaps you could try using a different defragger.
Google 'free defraggers' and choose one to try.
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guyfawkes guyfawkes is offline
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11-May-2009, 08:19 AM #5
Try running a diskcleanup to free up space. Also run chkdsk before defrag. If you still cant free up space, you can download the trial version of Diskeeper09 and try defragging with that as it does a good defrag even under low free space.
Purkinje's Avatar
Purkinje Purkinje is offline
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11-May-2009, 01:54 PM #6
Alright, thanks guys. I'll try it and post the results.
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11-May-2009, 02:12 PM #7
Many files will not be defragged no matter what you do. Defragging offline will increase the number you can do, but even then some files cannot be accessed.

Don't bother trying. A small amount of fragmentation will make absolutely no difference in performanace at all. Even shutting down the defragger makes more fragmentation, so trying to get 100% would only last a few seconds, anyway. It is unnecessary and a waste of time to try to defrag all files, and some large files may not have room on the drive to be contiguous.

If you run a defragger once in a while, and use the same one all the time so they don't conflict in their placement strategies, then you have done all that needs to be done.

If there is a particular file that you want to defrag, move it off the drive and then move it back. It will be placed as neatly and contiguously as possible.
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