DragonFly users List (threaded) for 2012-04
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Re: Mount Ext3 under DragonFlyBSD
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On 04/27/2012 09:35 PM, v_2e@ukr.net wrote:
> Hello!
> So can anybody give me some advice on this? Should I really delete
> the existing file system and create a new one with the 'sparse_super'
> flag off?
>
> Thanks.
> Vladimir
>
> On Fri, 6 Apr 2012 20:36:15 +0300
> v_2e@ukr.net wrote:
>
>> Hello!
>> I'm new (well, actually, very very very new) to DragonFlyBSD and
>> currently doing my first steps with it. I have Ext2 and Ext3
>> partitions on my HDD (created under GNU/Linux) and I cannot use them
>> under DragonFlyBSD. The problem is that when I try to mount any of
>> them, I get the following error message:
>>
>> # mount /dev/ad4s3 /mnt/data/
>> mount: /dev/ad4s3 on /mnt/data: incorrect super block
>>
>> Or if I state the FS type explicitly, I get this:
>>
>> # mount -t ext2fs /dev/ad4s3 /mnt/data/
>> WARNING: R/W mount of #ad/0x40002 denied due to unsupported
>> optional features
>> ext2fs: /dev/ad4s3: Invalid argument
>>
>> The only mode I can mount these file systems in is read-only mode.
>> However, the file systems are not usable in this mode either, because
>> I can only list the root catalog of the corresponding FS. Any attempt
>> to list other catalogs or read some files leads to the following
>> error message on the screen:
>>
>> and a system reboot.
>>
>> I searched over Internet for a similar issue and found only one sane
>> article mentioning this problem
>> ( http://onlamp.com/pub/a/bsd/2000/11/16/Big_Scary_Daemons.html ). Its
>> author tells that the root of the problem is the 'sparse_super' flag
>> set on the Ext2 file system and suggest to turn this flag off:
>>
>> tune2fs -s off /dev/sda3
>>
>> I tried it under my GNU/Linux system, but it says only:
>>
>> Clearing filesystem feature 'sparse_super' not supported.
>>
>> and does not do the job.
>> So now I just do not know what to do. How cat I use my existing
>> Ext2/Ext3 file systems on DragonFlyBSD? Any suggestions?
>>
>> Thanks.
>> Vladimir
>>
>> -----
>> <v_2e@ukr.net>
>
> -----
> <v_2e@ukr.net>
>
It may need e2fsprogs? Have you tried "e2fsprogs" from pkgsrc? "It
provides the filesystem utilities for use with the ext2 filesystem.
<http://e2fsprogs.sourceforge.net/ext2.html> It also supports the ext3
and ext4 filesystems."
http://e2fsprogs.sourceforge.net/
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On 04/27/2012 09:35 PM, <a class="moz-txt-link-abbreviated" href="mailto:v_2e@ukr.net";>v_2e@ukr.net</a> wrote:
<blockquote cite="mid:20120428073511.d58c14d7.v_2e@ukr.net";
type="cite">
<pre wrap=""> Hello!
So can anybody give me some advice on this? Should I really delete
the existing file system and create a new one with the 'sparse_super'
flag off?
Thanks.
Vladimir
On Fri, 6 Apr 2012 20:36:15 +0300
<a class="moz-txt-link-abbreviated" href="mailto:v_2e@ukr.net";>v_2e@ukr.net</a> wrote:
</pre>
<blockquote type="cite">
<pre wrap=""> Hello!
I'm new (well, actually, very very very new) to DragonFlyBSD and
currently doing my first steps with it. I have Ext2 and Ext3
partitions on my HDD (created under GNU/Linux) and I cannot use them
under DragonFlyBSD. The problem is that when I try to mount any of
them, I get the following error message:
# mount /dev/ad4s3 /mnt/data/
mount: /dev/ad4s3 on /mnt/data: incorrect super block
Or if I state the FS type explicitly, I get this:
# mount -t ext2fs /dev/ad4s3 /mnt/data/
WARNING: R/W mount of #ad/0x40002 denied due to unsupported
optional features
ext2fs: /dev/ad4s3: Invalid argument
The only mode I can mount these file systems in is read-only mode.
However, the file systems are not usable in this mode either, because
I can only list the root catalog of the corresponding FS. Any attempt
to list other catalogs or read some files leads to the following
error message on the screen:
and a system reboot.
I searched over Internet for a similar issue and found only one sane
article mentioning this problem
( <a class="moz-txt-link-freetext" href="http://onlamp.com/pub/a/bsd/2000/11/16/Big_Scary_Daemons.html";>http://onlamp.com/pub/a/bsd/2000/11/16/Big_Scary_Daemons.html</a> ). Its
author tells that the root of the problem is the 'sparse_super' flag
set on the Ext2 file system and suggest to turn this flag off:
tune2fs -s off /dev/sda3
I tried it under my GNU/Linux system, but it says only:
Clearing filesystem feature 'sparse_super' not supported.
and does not do the job.
So now I just do not know what to do. How cat I use my existing
Ext2/Ext3 file systems on DragonFlyBSD? Any suggestions?
Thanks.
Vladimir
-----
<a class="moz-txt-link-rfc2396E" href="mailto:v_2e@ukr.net";><v_2e@ukr.net></a>
</pre>
</blockquote>
<pre wrap="">
-----
<a class="moz-txt-link-rfc2396E" href="mailto:v_2e@ukr.net";><v_2e@ukr.net></a>
</pre>
</blockquote>
It may need e2fsprogs? Have you tried "e2fsprogs" from pkgsrc?
"It provides the filesystem utilities for use with the <a
href="http://e2fsprogs.sourceforge.net/ext2.html";>ext2 filesystem.</a>
It also supports the ext3 and ext4 filesystems."<br>
<a class="moz-txt-link-freetext" href="http://e2fsprogs.sourceforge.net/";>http://e2fsprogs.sourceforge.net/</a>
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