Re: Is MFT boot-time defragmentation long?
- From: Mark F <mark49607@xxxxxxxxx>
- Date: Sun, 13 Apr 2008 21:51:40 -0400
On Tue, 8 Apr 2008 19:28:09 -0500, "philo" <philo@xxxxxxxxxxx> wrote:
Too late for this time, but:
"steph" <nospamplease@xxxxxxxxxxxx> wrote in message
news:ctknv3t4a61e19cbkrla7bvfoihqmoi28h@xxxxxxxxxx
Hello,
this morning i started a boot-time defragmentation to defrag the
master file table (MFT) and the paging file. Now we are 12 hours
later, and my pc has not yet finished the task. (i'm in europe)
I have XP professional sp2 on partition C with 20 gigas, 10 gigas
occupied, 10 gigas free. The defrag-program is Diskeeper.
Worrying about the long time "nothing" happening, i read somewhere
that the MFT-defragmentation would be very long. The guy told that he
needed about 4 hours for his partition with XP (4 giga partition). The
time would also depend on the free space resting on the partition.
. How many pieces was the MFT in? 3 is typical, anything under 10
or so won't have much effect on performance. The exception
would be if the defrag program compacted entries in the
MFT that were in use. This could help performance even if
the MFT itself remained in a handful of pieces. Do any of the
current defrag programs work this way?
. Why bother defagmenting pagefile.sys? Defragment your disk
normally under Windows, then delete and reallocate the swapfile,
using another partition to temporarily hold a swapfile during
any reboot operations that are needed in the process.
When you allocate the swapfile ( right click My Computer,
go to tab Advanced, click on the Settings button under
Performance, go to Advanced tab, click on the Change
button under "Virtual memory", select the drive
you want the permanent swapfile on [usually C:],
select "Custom size". Make the "Initial size (MB)"
be the biggest that you've seen in use, but no less
than 3GB. [Don't worry about 1.5 times memory versus
3 times memory. With a 4GB limit just use the extra
US$2 of disk space. The reason for not using 4096
MB to begin with is to give you warning that you have
to go to a different operating system while you still
have some room for growth on the 4GB max system.])
This should give you an unfragmented pagefile.sys.
It may not be in the ideal location, but it won't be fragmented.
.. Why did you think a dskchk would take hours? Normally option
used only checks the metadata, not every allocated cluster
or every cluster, so it should take less than 15 minutes
to run if you have a 100000 files on the disk. (If you feel
uncomfortable about your disk, as contrasted with the consistency
of the metadata, you should be cloning your disk and defragmenting
the clone anyhow.)
.
I don't venture to push the reset button when le MFT defragmentation
is running. Can you affirm that this kind of defragmentation is very
long? Have i well done not to reset and interrupt the defrag-process?
(Lucky that i kept my old pc, always running, so i can talk to you !)
Thank you.
steph
I would absolutely not fool around with defragging your MFT and pagefile!
- References:
- Is MFT boot-time defragmentation long?
- From: steph
- Re: Is MFT boot-time defragmentation long?
- From: philo
- Is MFT boot-time defragmentation long?
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