[bcab] Re: The latest version of Diskkeeper is taking ages to defragment a 16GB hard drive, should it take this long?

Hi Phil,

That's not the case with Diskeeper, it notes where it gets to when the
contents of a file has changed and retraces its steps from that point.
That's what makes it so much better than Microsludge.

All the best

Steve 

-----Original Message-----
From: bcab-bounce@xxxxxxxxxxxxx [mailto:bcab-bounce@xxxxxxxxxxxxx] On Behalf
Of Medway, Phil - Corporate Core - ICT Services
Sent: 27 November 2007 08:30
To: bcab@xxxxxxxxxxxxx
Subject: [bcab] Re: The latest version of Diskkeeper is taking ages to
defragment a 16GB hard drive, should it take this long?

Hi Alexander,

Bear in mind that I don't have specific experience of Disk keeper.

Defragmentation in general, though, can be affected by other processes
running in the background on your system while the defrag is in progress.

Also, I am used to seeing the percentage increase rather than the opposite.
i.e. One normally sees the percentage of the disk which has already been
defragmented rather than the percentage still to be defragmented.  It is
worth checking this point.

Sometimes, files are created or changed by background processes while the
defrag is running which causes the defrag to return to the area on the disk
where the file resides in order to defragment it and then continues again
from that point.  This means that work already done by the defragmenter
needs to be covered again from the point where the file was place in order
to eliminate any gaps between files which may have been generated.

Where a file is changed periodically while the defrag is in progress, this
can lead to an infinite loop in the defragmentation process.

I suggest that you check again to see if there are any programs running in
the background which might possibly cause this effect.

Regards,


Phil Medway
 
ICT accessibility developer
 
Deployment team
 
Core ICT
 
Oxfordshire County Council

 
Tel: 01869 347639
 
Mobile: 07980 519990
 


-----Original Message-----
From: bcab-bounce@xxxxxxxxxxxxx [mailto:bcab-bounce@xxxxxxxxxxxxx]On
Behalf Of Alexander Shannon
Sent: 26 November 2007 21:20
To: bcab@xxxxxxxxxxxxx
Subject: [bcab] The latest version of Diskkeeper is taking ages to
defragment a 16GB hard drive, should it take this long?


Hi all,

As a result of discussions on the Access-uk list some months ago, I
purchased  the program Diskkeeper to defragment my split hard drive on my
Acer laptop.  I seem to be having problems setting Diskkeeper up to
automatically defragment my C: partition which is the part that has the most
files on it.

I tried setting Diskkeeper to defragment again today, and, even though I
believe I set it to manual defragmentation rather than automatic, it seems
to have only got from 35% to 32% after defragmenting for 3 or 4 hours, for
the majority of which, I turned off my Supernova screen reading and
magnification program.

My question is, does anyone know why this defragmentation is taking as long
as it is?

Please note that I know defragmentation can take some lengthy periods, but I
would have thought the chances were that with my hard drive being split in
two, defragmenting would get to lower than 32% in the time I have had it
running.

Thank you all in advance for your answers  to my question, and any advice
you can give me on this issue.


Alexander Shannon 

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