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Disk Defragmenter

post #1 of 22
Thread Starter 
Is there any Disk Defragmenter utility for Ubuntu? I dont need it for defragmenting my hard drives but I need it to defragment my flash drives. Any help would be grateful.
post #2 of 22
Quote:
Originally Posted by Daryll99 View Post
Is there any Disk Defragmenter utility for Ubuntu? I dont need it for defragmenting my hard drives but I need it to defragment my flash drives. Any help would be grateful.
I don't think flash drives suffer from fragmentation
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post #3 of 22
There's no speed benefit from defrag on a flash; you just wear it faster if you run regular or continuous defrag.
Well, you can do a defrag now and then if you really are bored
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post #4 of 22
you don't need it.
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post #5 of 22
Even though this is a bit off-topic, I feel like this insight could help someone out there that somehow stumbles upon this topic:

When it comes to defragging on ext filesystems: you really don't have to. The only situation where you would is if you have been running a partition over 90% full for a few years time. Then it may actually benefit you to use e2fsprogs to defrag your partition.
post #6 of 22
Thread Starter 
Quote:
Originally Posted by Jimi View Post
Even though this is a bit off-topic, I feel like this insight could help someone out there that somehow stumbles upon this topic:

When it comes to defragging on ext filesystems: you really don't have to. The only situation where you would is if you have been running a partition over 90% full for a few years time. Then it may actually benefit you to use e2fsprogs to defrag your partition.
Can it defragment NTFS file systems,because my flash drives are NTFS.
post #7 of 22
Thread Starter 
Quote:
Originally Posted by ar3f View Post
There's no speed benefit from defrag on a flash...
Maybe for you,as for me when I defragment my flash drives I do get speed benefit.
post #8 of 22
you can check out "NTFSPROGS" but i don't think it includes a defragger.

i'm more curious to why use NTFS on a flash drive, than need/want to defrag a flash drive (as it honestly isn't needed.).

what are you using a flashdrive for, that you'd notice any benefit from defragmenting it?

and to further delve into the issue, ntfs is only partially supported in linux thru the use of the ntfs-3g driver in userspace, the kernel has ntfs driver support to read/write, but it is crappy, ntfs-3g is better but only marginally. if you did find a defragger that works in ubuntu for ntfs, chances are you end up do irreversible damage to the filesystem, that would force a fdisk/format, even a large of i/o (read/writes) to ntfs from linux can cause issues on a ntfs drive (it is rare, but it has happened to me before.)
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post #9 of 22
Technically you can't defrag a flash drive. You can, but there isn't a liner start and finish on the device, same with SSDs.
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post #10 of 22
Defragmenting a flash drive? Are you kidding? NEVER do that.

Edit: Oops, I was not clear. There is no need or reason to "defragment" a solid-state disk because it is entirely random-access anyway, and "defragmenting" would do exactly nothing except to rearrange the disk contents and wear down the useful life of the disk.
Edited by error10 - 3/6/11 at 1:34pm
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