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Linux server to OpenBSD migration

This is a discussion on Linux server to OpenBSD migration within the lucky.openbsd.misc forums, part of the OpenBSD category; --> This has most likely been asked thousands of times before but I haven't read a single post anywhere stating ...


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  #1 (permalink)  
Old 02-18-2008, 06:27 AM
moruku@gmail.com
 
Posts: n/a
Default Linux server to OpenBSD migration

This has most likely been asked thousands of times before but I haven't
read a single post anywhere stating a good solution on my problem and I
can find one myself and thus I'm now asking for some help to make my
data usable again.

The problem is as follows:
1. I used Slackware Linux running on ReiserFS.
2. Build environment crashed due local root exploit in the Linux
Kernel.
3. Discovers OpenBSD and runs the install.
4. Got an OpenBSD system.
5. Discovers that OpenBSD runs on FFS and can't even read from a
ReiserFS volume.

Here is the layout of my servers disks:
Disk1:
1. 5 GigaByte FFS (Mounted on /)
2. 30GigaByte ReiserFS (Supposed to be mounted as /home)

Disk2:
1. 120GigaByte ReiserFS (Media Drive)

None of these disks have any reasonable free disk space and I don't own
any extra HDD, and friends won't lend me any.

Is there any easy or hard way of making OpenBSD able to read ReiserFS
or convert the ReiserFS partitions into FFS?

Fast answers are very much appreciated, no flaming, please, I got
plenty of stuff to bother with allready.

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  #2 (permalink)  
Old 02-18-2008, 06:27 AM
stark.dreamdetective@googlemail.com
 
Posts: n/a
Default Re: Linux server to OpenBSD migration


moruku@gmail.com schrieb:

> This has most likely been asked thousands of times before but I haven't
> read a single post anywhere stating a good solution on my problem and I
> can find one myself and thus I'm now asking for some help to make my
> data usable again.
>
> The problem is as follows:
> 1. I used Slackware Linux running on ReiserFS.
> 2. Build environment crashed due local root exploit in the Linux
> Kernel.
> 3. Discovers OpenBSD and runs the install.
> 4. Got an OpenBSD system.
> 5. Discovers that OpenBSD runs on FFS and can't even read from a
> ReiserFS volume.
>
> Here is the layout of my servers disks:
> Disk1:
> 1. 5 GigaByte FFS (Mounted on /)
> 2. 30GigaByte ReiserFS (Supposed to be mounted as /home)
>
> Disk2:
> 1. 120GigaByte ReiserFS (Media Drive)
>
> None of these disks have any reasonable free disk space and I don't own
> any extra HDD, and friends won't lend me any.
>
> Is there any easy or hard way of making OpenBSD able to read ReiserFS
> or convert the ReiserFS partitions into FFS?
>
> Fast answers are very much appreciated, no flaming, please, I got
> plenty of stuff to bother with allready.


Hi,
migration without any free disk space is not possible i think, because
there are no fileysstem-conversion-tools afaik. With some space you
could have used a knoppix-CD, which has reiser and ffs support to mount
both disks and simply copy from one to the other.
OpenBSD does not support so many different filesystems. i think you
should better use an other linux disto, where kernel patchs can easily
applicated, maybe gentoo.

best regards and good luck
ralf

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  #3 (permalink)  
Old 02-18-2008, 06:27 AM
moruku@gmail.com
 
Posts: n/a
Default Re: Linux server to OpenBSD migration


stark.dreamdetective@googlemail.com skrev:

> moruku@gmail.com schrieb:
>
> > This has most likely been asked thousands of times before but I haven't
> > read a single post anywhere stating a good solution on my problem and I
> > can find one myself and thus I'm now asking for some help to make my
> > data usable again.
> >
> > The problem is as follows:
> > 1. I used Slackware Linux running on ReiserFS.
> > 2. Build environment crashed due local root exploit in the Linux
> > Kernel.
> > 3. Discovers OpenBSD and runs the install.
> > 4. Got an OpenBSD system.
> > 5. Discovers that OpenBSD runs on FFS and can't even read from a
> > ReiserFS volume.
> >
> > Here is the layout of my servers disks:
> > Disk1:
> > 1. 5 GigaByte FFS (Mounted on /)
> > 2. 30GigaByte ReiserFS (Supposed to be mounted as /home)
> >
> > Disk2:
> > 1. 120GigaByte ReiserFS (Media Drive)
> >
> > None of these disks have any reasonable free disk space and I don't own
> > any extra HDD, and friends won't lend me any.
> >
> > Is there any easy or hard way of making OpenBSD able to read ReiserFS
> > or convert the ReiserFS partitions into FFS?
> >
> > Fast answers are very much appreciated, no flaming, please, I got
> > plenty of stuff to bother with allready.

>
> Hi,
> migration without any free disk space is not possible i think, because
> there are no fileysstem-conversion-tools afaik. With some space you
> could have used a knoppix-CD, which has reiser and ffs support to mount
> both disks and simply copy from one to the other.
> OpenBSD does not support so many different filesystems. i think you
> should better use an other linux disto, where kernel patchs can easily
> applicated, maybe gentoo.
>
> best regards and good luck
> ralf


Thanks for the answer, so I need to get some extra diskspace eh?
Linux is not an option for my server, I need top security. OpenBSD
is the only OS that can boast with having one single exploit in the
default install for over 10 years. But I guess I'll have to get some
additional disk space.

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