Availability of a journaling file system

[Mike Jeays]

On Thu, 2006-03-23 at 06:50 +0000, Martin Hepworth wrote:
> Hi
> 
> in freebsd this is called softupdates and can be enables using tunefs (see
> the man page).
> 
> If not quite journaling as it does things slightly differently, but achieves
> many of the same effects, like reduced fsck time on boot.
> 
> --
> martin
> 
> On 3/22/06, Luiz Eduardo Guida Valmont <legvalmont at gmail.com> wrote:
> >
> > I've had some problems earlier this year due to FreeBSD-6.0 crashing
> > after a few hours of execution (perhaps it's mal-functioning hd's dma,
> > but - simply put - I can't install FreeBSD 2 or 3 times a day to find
> > out! ^^). And so I thought of journaling file systems.
> >
> > I think XFS is being ported to FreeBSD, but last news on the official
> > page (http://people.freebsd.org/~rodrigc/xfs/) dates from December
> > 12th, 2005 (and it's still read-only). So...
> >
> > Is there a journaling file system (rw ready) available? Which one?
> >
> > Another question: how can I completly diable hd dma? -.-"
> >
> > --
> > []'s,
> > Luiz Eduardo
> >
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> >
> >
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You can disable DMA with the atacontrol command: for example

atacontrol mode ad0 pio4

I have a Maxtor 40GB which won't work in DMA mode with FreeBSD, although
it seems fine with other OSes.  There is a hefty perfomance hit, of
course!


-- 
Mike Jeays
http://ca.geocities.com/mike.jeays@rogers.com