[Option to use a second drive as temporary storage]

Yes. I didn't see that it was already suggested

[Option to use a second drive as temporary storage]

Could be useful, and maybe help speed up the process

[Defraggler won't work properly on large drives]

I will try anyway, who knows ? This could be something useful

[Defraggler won't work properly on large drives]

You assume well. So I guess I can't get better, but anyway, thank you. Do you know a section to submit ideas ? (the one that defraggler could use a second drive as temporary storage). I think it could speed up the process, because reading/writing speed is a lot affected when it on the same drive.

[Defraggler won't work properly on large drives]

I was thinking of this: what if the drive is locked or something and can't be defragmented?

As you can see it is not completely defragmented...but it won't be able to do much more...at least without modifications

[Defraggler won't work properly on large drives]

So, it did not work well....some files were fixed, but I still have files that are fragmented (though the number drastically decreased). The fun part is, on the other drive I don't have problems to defrag them. So I think it's this drive, and I think it's the file system, because there isn't any problem on the other drive (4TB) and it's NTFS...

I found this:

what do you think ?

[Defraggler won't work properly on large drives]

3 minutes ago, nukecad said:

Defraggler should be able to handle FAT and exFAT files: https://www.ccleaner.com/docs/defraggler/introducing-defraggler/system-requirements

The filesize may be an issue, are these video files?

Maybe you could try moving those large files to the end of the drive? That will take some time as it has to be a full defrag of the drive.
https://www.ccleaner.com/docs/defraggler/defraggler-settings/defraggler-options-defrag-tab

Or if you have another large drive then copy the files off the 8TB, delete them off the 8TB, and then copy them back one at once?
Again that's going to take time.

TBH unless that particular drive is causing issues I'd probably just leave them as they are.

Yes these are movie files. I will try to move them on another drive. I'll get back to you

[Defraggler won't work properly on large drives]

Well, no it isn't system files, and they didn't change with the fragments number....

14 minutes ago, hazelnut said:

One or two posts about this over the years.

Here is one of them

https://community.ccleaner.com/topic/43438-large-8gb-file-not-being-de-fragmented/

 

 

Maybe the files size is the problem (over 4GB minimum) or the partition type (exFAT while my other drives are NTFS)

[Defraggler won't work properly on large drives]

Thanks. Though isn't it possible to lock the files while defragmenting ? I already tried to analyse and the View Files, etc. But it always says this message....

[defraggler]

Yes, it will. Defragmentation process uses a lot of reading-writing steps. Solid State Drives are limited in number of this steps, so it will shorten it's life. Try to avoid defragmenting SSD. The performance is not a problem with this type of drives, even when it's fragmented.

[Defraggler won't work properly on large drives]

Hi

I'm currently using defraggler free 2.22.995 (64-bit) and it has some problems with my 8TB external hard drive. I tried several times to start a defrag, but everytime it stops when it's not finished yet, and it seems after another analysis that it's more fragmented with a lot more space tagged as fragmented.

If I go to File list, I can see the list of files that a fragmented (as expected), but when I check one and try to defrag this one specifically, it says "Defrag aborted. No files were defragmented. The operation cannot be done.".

Do you have a clue ? Or if it's a casual thing, I would like to understand.

Thanks