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#1 2010-01-04 10:33:13
- lardon
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Availability of e4defrag ?
Hi all,
when the ext4 filesystem was released as stable a while ago (around 2.6.28 IIRC), it was announced that a defrag utility would follow, in 2.6.31, IIRC once again. We are now all using the 2.6.32 kernel, but I can't find a trace of the new utility, nor any news or status reports. Does anyone know when or if it will be released?
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#2 2010-01-10 01:56:21
- linkmaster03
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Re: Availability of e4defrag ?
I'm also wondering when e4defrag will come. I have not heard any news on it.
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#3 2010-01-10 02:18:26
- Xyne
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Re: Availability of e4defrag ?
The e4defrag developer has said that he will release it once he's beaten Duke Nukem Forever on GNU/Hurd.
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#4 2010-01-10 02:47:31
- lucke
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Re: Availability of e4defrag ?
It's in e2fsprogs' git.
http://git.kernel.org/?p=fs/ext2/e2fspr … ce;hb=HEAD
Works okay here, although it's not final yet.
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#5 2010-01-10 09:39:28
- lardon
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Re: Availability of e4defrag ?
It's in e2fsprogs' git.
http://git.kernel.org/?p=fs/ext2/e2fspr … ce;hb=HEAD
Works okay here, although it's not final yet.
THANKS! I've been looking for an answer for a long time now, I've even gone through the sources of the kernel to try to find it 
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#6 2010-01-10 11:04:35
- graysky
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Re: Availability of e4defrag ?
Not what the OP asked but... since the e2fsprogs are still beta and shouldn't be used on a production box, if you literally copy the entire partition (ext4) in question to another one, then reformat to ext4 and copy it back (cp -a) you'll be at <0.1 % fragmentation. I also read somewhere that these utils do not handle both internal and external fragmentation so the cp method might be preferred.
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#7 2010-01-10 12:24:19
- jolinfire
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Re: Availability of e4defrag ?
Yes. A defrag tool for ext4fs is nearly not interesting at all... What is fragmentation on a ext2/3/4fs partition ?
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#8 2010-01-10 12:51:38
- lucke
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Re: Availability of e4defrag ?
You can't really defragment internal fragmentation, graysky.
Fragmentation can always be an issue, jolinfire, and reformatting and copying the data around is not always possible and sometimes yields suboptimal results.
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