Mounting UFS drives - is this a unix holy war?

Freddie Cash fcash-ml at
Fri Jul 14 17:05:14 UTC 2006

On Fri, July 14, 2006 9:35 am, Gary W. Swearingen wrote:
> "gabrielle harrison and Paul van den Bergen" <gabpaul at>
> writes:

>> I've got both FreeBSD and kubuntu machines running at the moment
>> and  occasionally I've needed to mount a HDD from one machine on the
>> other.

> When I switched to FreeBSD in 2001 (I've been back 6 mo), my tests
> convinced my that neither FreeBSD or Linux could reliably use the
> other's partitions, so I wound up transfering files by tar'ing into a
> raw partition from Linux and untar'ing in FreeBSD.  I hope things have
> improved, but you might want to do a good diff test.

FreeBSD 4.11, 5.x, and 6.x can all access ext2 filesystems without
issues, and can mount clean ext3 filesystems as ext2.  Pre-6.0 systems
have a shutdown bug where the system won't cleanly shutdown if there
are mounted ext2 filesystems.

Linux systems should be able to mount UFS1 filesystems without issue. 
You'll need a very up-to-date set of mount tools in order to reliably
mount UFS2 partitions (default on FreeBSD 5.3+), though.  Both can be
mounted using "mount -t ufs".

Freddie Cash, LPCI-1 CCNT CCLP        Helpdesk / Network Support Tech.
School District 73                    (250) 377-HELP [377-4357]
fcash-ml at

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