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Hard drive unbearably slow during transfer? - Page 4

post #31 of 36
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Quote:
Originally Posted by Riou View Post
A hard drive is going to be slow whenever it is under heavy access. It is not really a point of it being Hitachi or WD Black.

Defragment the drive while transferring 1 TB of data...everything is going to be slow...especially if it is the OS drive.

It is quite possible the OP's drive has lots of free space fragmentation. The drive is searching for free space that is scattered throughout the drive. That is going to slow down the writes a lot for a mechanical hard drive. OP you should defragment your Windows partition.
I see, thanks. I recently "erased" the entire disk (several times)? It's essentially a few days old, both the Mac and Windows partition. Do I still have to defragment it?
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post #32 of 36
Quote:
Originally Posted by steelbom View Post
I see, thanks. I recently "erased" the entire disk (several times)? It's essentially a few days old, both the Mac and Windows partition. Do I still have to defragment it?
You won't need to defrag the Mac partition as OSX doesn't actually fragment in the first place. That's more of an NTFS/FAT thing.
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post #33 of 36
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Quote:
Originally Posted by tedman View Post
You won't need to defrag the Mac partition as OSX doesn't actually fragment in the first place. That's more of an NTFS/FAT thing.
I see. Even though the drive has been erased recently would I still be fragmented on the Windows drive? Even though it's only a few days old and has only had a few installs on it?

Thanks!
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post #34 of 36
Quote:
Originally Posted by steelbom View Post
I see. Even though the drive has been erased recently would I still be fragmented on the Windows drive? Even though it's only a few days old and has only had a few installs on it?

Thanks!
Well it won't be very fragmented at all with a clean install. Windows 7 is very good at keeping a lid on fragmentation compared to XP etc.

I usually do a defrag after a clean install only once I've installed ALL the programs and games that I want. A bit like a final tidy up lol.
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post #35 of 36
Quote:
Originally Posted by tedman View Post
You won't need to defrag the Mac partition as OSX doesn't actually fragment in the first place. That's more of an NTFS/FAT thing.
Yeah they do. Linux and Mac filesystems both fragment. You just need the right workload. They don't fragment heavily under regular desktop use.

ext4 supports extents - pre-allocating files without writing anything. That helps the filesystem keep things a lot more orderly.

A few days ago I was downloading some updates off Filehippo. I also downloaded some new Ubuntu CDs. Once finished I ran defraggler and found that some of the files had as many as 40,000 fragments. On Linux this would probably be one fragment.


Now, I'm not quite clear on whether OSX/HFS+ support extents, since all those filesystems use similar terms to describe different features. But OSX does apparently have an idle-time defragmenter which runs during the night. The catch is, you have no control over what it defragments, or what size fragments it actually does something about.


But I repeat - Linux and Mac filesystems do fragment over time under the right workload - and then since you don't have a full defragmenter, you have to reformat to restore performance.

Quote:
Originally Posted by tedman View Post
Well it won't be very fragmented at all with a clean install. Windows 7 is very good at keeping a lid on fragmentation compared to XP etc.
Somewhat. Of course, the built-in defragmenter also hides a lot more. And it considers fragments over 64MB to not exist.

What kills me is when System Restore data gets fragmented. It makes it take forever to install stuff. It's sad when turning off System Restore speeds up installation time by about 1500%.
Edited by Kramy - 7/25/11 at 5:49pm
     
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post #36 of 36
Thread Starter 
Thanks y'all.
Quote:
Originally Posted by tedman View Post
Well it won't be very fragmented at all with a clean install. Windows 7 is very good at keeping a lid on fragmentation compared to XP etc.

I usually do a defrag after a clean install only once I've installed ALL the programs and games that I want. A bit like a final tidy up lol.
Ahaha, thanks.
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