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Windows 7: Should I and How To defrag?

02 Jan 2012   #1
WispGB

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 
Should I and How To defrag?

Hi guys

I kind of understand the basic concept of drefragging (sorting all files into correct/same places allowing the system to run more efficiently) but I was just wondering if it is worth me doing? if so how often? and if there are any programs you can recommend to do so?

Thanks in advance.

Wisp


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02 Jan 2012   #2
metalmania31

Windows 7 Pro 64bit build 7601 SP1
 
 

Here's some good back and forth on the pros and cons. Defragging a hard drive, pros and cons - PCMech Forums
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02 Jan 2012   #3
Golden
Microsoft MVP

Windows 7 Ult. x64
 
 

Hi,

Yes, you should regularly defragment mechanical hard drives. You can use the Windows defragmenter which will alos allow you to schedule these:

Disk Defragmenter - Open and Use
Disk Defragmenter Schedule- Turn On or Off

Regards,
Golden
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02 Jan 2012   #4
WispGB

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

Thanks again for fast and helpful replies I will have a read and look into windows defragging

Wisp
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02 Jan 2012   #5
Golden
Microsoft MVP

Windows 7 Ult. x64
 
 

No problems - post back if you need more help.

Regards,
Golden
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02 Jan 2012   #6
Qdos

 

Just use Task Scheduler, set and forget, once a month is usually sufficient for the average user - and there's not any real point in using a 3rd party defragger unless you're running a network server of some kind... just use the tools which come in Windoze...
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03 Jan 2012   #7
indianacarnie

 

I use Puran myself..... like the boot defrag and the optimization feature. Auslogic's has it too but I've started using Puran more and more. Worth a look if you're thinking about it. (both are free btw)
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03 Jan 2012   #8
kado897

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bit Service Pack 1
 
 

Once a week usually a Saturday or Sunday afternoon when the footy is on TV.

1. CCleaner.
2. boot time defrag.
3. chkdsk /r
4. Mawarebytes full scan.
6. sfc /scannow
7. Full system image.

In that order.
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06 Jan 2012   #9
HowardB

Windows 7 Ultimate x64
 
 

Most everything I’ve read in this thread talks about whether you should or shouldn’t defrag your system, but what’s missing from the discussion is what is wrong with fragmented files.

The simple fact that when the Windows NTFS file system is unable to allocate a contiguous range of logical clusters the I/O request the application passed to Windows is now split into one or more additional and often unnecessary I/O operations. It doesn’t matter how fast your hard disk is or whether it is an SSD with no moving parts. Doing “x” more I/O requests than is necessary takes longer to complete the task at hand.

Example: WinWord.exe wants to write 64kb worth of data but the next several segments of free space that NTFS can allocate is only 4kb in size. It’s entirely possible this one 64kb write request gets split into 16 individual 4kb size I/O requests.

To make matters worse, you probably have multiple screens open doing several things simultaneously. These unnecessary split I/O requests are also intertwined with the other I/O’s you’re wanting to do and as a result you maybe also accessing files which are not fragmented, yet their access speed is being slowed by additional surge of I/O traffic caused by the split I/Os. In fact, you can monitor Read/Write Disk Queue Lengths and Split IO/Sec in PerfMon.

Defragmenting the files manually or even on a scheduled basis addresses subsequent access to the file, but you already paid a hefty performance penalty on the initial file creation or modification with the writing of data. You should never have to experience this slowdown nor spend any of your time trying to clean the system up.

The ideal solution would be to eliminate the file and free space fragmentation from occurring in the first place. This gives you the immediate benefit on writes and well as subsequent reads. It reduces or eliminates the need for any system resources to be spent reading fragmented files and then re-writing them to a new contiguous location. A solution like this would be completely independent of whether it is an HDD, SSD, RAID, or SAN/NAS storage as it is not moving data blocks, but simply helping the NTFS file system to do its job better and more intelligently.

As a file system engineer, I’ve been exposed to a lot of nifty things, but this is an area that is often misunderstood by novice and experts alike. Send me a PM if you would like to know more.
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