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Old 08-18-2009, 01:47 PM   #1
miros84
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Debian and ext4. problem


Hello. I have Debian lenny and I cannot read my partition with Fedora ext4
I read about and seems to be impossible. Can I read ext4?
 
Old 08-18-2009, 01:56 PM   #2
Nylex
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What happens when you try to mount the ext4 partition? Do you get any errors? If so, post them here. Does your kernel have support for ext4? Is ext4 listed in /proc/filesystems?
 
Old 08-18-2009, 02:44 PM   #3
miros84
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Hi. thanks for helping
I went to filesystems, but was empty. I opened it with SU, but aslo was empty.
Mu kernel is 2.6.26
I dont see the fedora partition in Storages.
I installed Disk Manager, and when i try to mount the ext4 fedora partition, tells me That was a error. The type of the file system is not unknown.
Any advice?
 
Old 08-19-2009, 12:42 AM   #4
Nylex
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Quote:
Originally Posted by miros84 View Post
The type of the file system is not unknown.
I assume "not unknown" is a typo and you really mean "not known" (or "unknown"). If that's the case, then that's the problem - you don't have ext4 support in your kernel. Wikipedia suggests that ext4 became stable in the 2.6.28 kernel. It has been in the kernel since 2.6.19, but obviously was in development until 2.6.28. If you want to use ext4, it would seem reasonable to upgrade your kernel to at least 2.6.28 (and obviously include support for ext4 when you build it). You may want to check Debian specific information on kernel upgrades, because they might have particular things that you need to be aware of.
 
Old 08-19-2009, 01:25 AM   #5
miros84
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He. Thank you
is that mean that I will upgrade to squazee or to SID if I upgrade to 2.6.28?
O I will stay with Lenny?
 
Old 08-19-2009, 07:29 AM   #6
Nylex
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I'd say you'd be running Lenny with the 2.6.28 kernel, as it's more than just a kernel that makes up a particular release.
 
Old 08-19-2009, 07:53 AM   #7
the trooper
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You could get the 2.6.30 kernel for Lenny from Backports:

http://packages.debian.org/lenny-bac...6.30-bpo.1-686

Here's how:

http://www.backports.org/dokuwiki/do...d=instructions
 
Old 08-19-2009, 09:12 AM   #8
miros84
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Thank you both.
I will try to upgrade.
Just last questios.
If there is newer version of the kernel, why it is not in the iso dvd I get few days ago.
I downloaded debian lenny from debian oficial site few days ago.
I get 2.6.26 kernel version
if these is 2.26.28 or 2.26.30, why the dont put the last version of debian lenny. There are some reasons for that.
Do you know?
 
Old 08-19-2009, 10:00 AM   #9
Nylex
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I haven't a clue I'm afraid.
 
Old 08-19-2009, 10:46 AM   #10
ootawata
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I don't know if this'll be helpful, but you can check to see if your system can identify what file systems it has on it by doing:

Code:
sudo blkid
 
Old 08-19-2009, 10:53 AM   #11
miros84
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Quote:
Originally Posted by Nylex View Post
I haven't a clue I'm afraid.
I didnot understand you
Please, can you explain yourself better?
 
Old 08-19-2009, 11:08 AM   #12
mushroomboy
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When they do releases, such as Debian Lenny 5.02 they use whatever was the most stable kernel at the time. Then it was 2.6.26, right now 2.6.30 is the stable kernel, but they haven't released a newer version of Debian Lenny so any 5.02 install disc will have the old kernel still. The only way to use ext4 (even ext4dev) in the 2.6.26 kernel is with a patch, as that was not considered stable at the time so Lenny doesn't have it, because it is the "stable" release. So I would say get a kernel that is 2.6.28 or later and you should be fine, you'll have to manually mount it though as it wasn't automatically mounted at the start (support wasn't there!).

To the question of upgrading a SID kernel, yes it would still keep your distrobution to 'testing'. When people mix packages, such as stable/testing, they don't have a stable/testing release...what you end up getting is a stable release with testing packages thrown in. That can break things, it depends on what packages are stable and what is testing. You should safely be able to upgrade to a sid kernel and still have a working system.

[edit] but if you want to be safe the backports option is the best option, or find a linux kernel repo that has new kernels for testing.

[edit2] i ment for stable not testing on the first edit

Last edited by mushroomboy; 08-19-2009 at 04:40 PM. Reason: Grammer
 
Old 08-19-2009, 12:02 PM   #13
miros84
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Thanks a lot.
You explain very well
 
Old 08-19-2009, 02:01 PM   #14
Nylex
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Quote:
Originally Posted by miros84 View Post
I didnot understand you
Please, can you explain yourself better?
I couldn't answer your question about why the new kernels weren't present in the latest Debian DVD you got.
 
Old 08-20-2009, 12:45 PM   #15
miros84
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Oo, Ok
Just my english is very bad.
 
  


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