Re: filesystem compatibility between FreeBSD and OpenBSD

2009-04-30 Thread Polytropon
On Thu, 30 Apr 2009 09:11:28 -0600, Tim Judd  wrote:
> It's funny that OpenBSD's manpage says it uses FFS, not UFS -- when even I
> thought it said UFS before I looked it up.

Don't FFS and UFS refer to the same file system, the
Berkeley Fast File System, also known as 4.2bsd? In
my "studies" according to a data recovery problem
I found them used in similar ways.

% ll /sbin/fsck_[uf4]*
-r-xr-xr-x  3 root  wheel  87020 Aug 24  2008 /sbin/fsck_4.2bsd*
-r-xr-xr-x  3 root  wheel  87020 Aug 24  2008 /sbin/fsck_ffs*
-r-xr-xr-x  3 root  wheel  87020 Aug 24  2008 /sbin/fsck_ufs*

At least on FreeBSD, they're all the same program.


-- 
Polytropon
>From Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...
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Re: filesystem compatibility between FreeBSD and OpenBSD

2009-04-30 Thread Tim Judd
something I wonder about

I know OpenBSD and FreeBSD both have different versions of the "UFS"
filesystems
(FreeBSD newfs(8) -O option, OpenBSD newfs(8) -O)

has someone tried to use all combinations of all options to see if they
work?

It's funny that OpenBSD's manpage says it uses FFS, not UFS -- when even I
thought it said UFS before I looked it up.




Just my 2c

--TJ
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Re: filesystem compatibility between FreeBSD and OpenBSD

2009-04-29 Thread Chuck Robey
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Daniel C. Dowse wrote:
> On Wed, 29 Apr 2009 14:36:31 -0400
> Chuck Robey  wrote:
> 
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>> I just put a OpenBSD partition on a EIDE disk I had laying around.  I'd had 
>> some
>> advice (apparently bad) that the OpenBSD UFS filesystem could provide a
>> filesystem that I could access from FreeBSD ... least, just now when I tried 
>> to
>> mount either of the two filesystems I just created on FreeBSD, FreeBSD seems 
>> to
>> recognize the disklabel just fine (it sees, in /dev, both ad1s1d and ad1s1e),
>> but FreeBSD can't seem to mount either one.
>>
>> Is there ANY filesystem that would be a good bet, so that I could transfer 
>> stuff
>>  to & from FreeBSD to OpenBSD?  Besides (obviously) UFS?
>>
>> Thanks
> 
> Hi Chuck,
> 
> please tell us what exactly the output of mount is,  mount (8) on
> FreeBSD 7.1 tells me that UFS is the default filesystem to mount.

It just fails with an "Invalid argument", so I think it's not able to recognize
the OpenBSD FS.  I can't do it the other way around, because I can't (yet) find
the OpenBSD driver for my AMCC (3ware) 9650-4 controller (FreeBSD's twa driver).
 Otherwise, I'm curious if maybe OpenBSD count moount the FreeBSD FS.

No longer truly important, because i'm using an extra machine as a waypoint for
a transfer.
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Re: filesystem compatibility between FreeBSD and OpenBSD

2009-04-29 Thread Daniel C. Dowse
On Wed, 29 Apr 2009 14:36:31 -0400
Chuck Robey  wrote:

> -BEGIN PGP SIGNED MESSAGE-
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> 
> I just put a OpenBSD partition on a EIDE disk I had laying around.  I'd had 
> some
> advice (apparently bad) that the OpenBSD UFS filesystem could provide a
> filesystem that I could access from FreeBSD ... least, just now when I tried 
> to
> mount either of the two filesystems I just created on FreeBSD, FreeBSD seems 
> to
> recognize the disklabel just fine (it sees, in /dev, both ad1s1d and ad1s1e),
> but FreeBSD can't seem to mount either one.
> 
> Is there ANY filesystem that would be a good bet, so that I could transfer 
> stuff
>  to & from FreeBSD to OpenBSD?  Besides (obviously) UFS?
> 
> Thanks

Hi Chuck,

please tell us what exactly the output of mount is,  mount (8) on
FreeBSD 7.1 tells me that UFS is the default filesystem to mount.

best regards

Daniel Dowse


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Re: filesystem compatibility between FreeBSD and OpenBSD

2009-04-29 Thread Polytropon
On Wed, 29 Apr 2009 14:36:31 -0400, Chuck Robey  wrote:
> Is there ANY filesystem that would be a good bet, so that I could transfer 
> stuff
>  to & from FreeBSD to OpenBSD?  Besides (obviously) UFS?

Yes, there is, and it even isn't a file system.
It's tar. You can easily create a tar archive
and transfer it from device to device, maybe
using a "transfer hard disk". I know this sounds
stupid, but it works. The disk just needs to be
formatted, it can be a hard disk, an optical
disc, even an USB thumb drive, or a floppy disk.
Doesn't matter. Just format it.

Then:

% tar cvf /dev/ 

on the source OS. On the target OS, simply run
this command:

% tar xvf /dev/

I could employ this method successfully to transfer
data between different UNIXens and Linusi. :-)



-- 
Polytropon
>From Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...
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filesystem compatibility between FreeBSD and OpenBSD

2009-04-29 Thread Chuck Robey
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I just put a OpenBSD partition on a EIDE disk I had laying around.  I'd had some
advice (apparently bad) that the OpenBSD UFS filesystem could provide a
filesystem that I could access from FreeBSD ... least, just now when I tried to
mount either of the two filesystems I just created on FreeBSD, FreeBSD seems to
recognize the disklabel just fine (it sees, in /dev, both ad1s1d and ad1s1e),
but FreeBSD can't seem to mount either one.

Is there ANY filesystem that would be a good bet, so that I could transfer stuff
 to & from FreeBSD to OpenBSD?  Besides (obviously) UFS?

Thanks
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