Data loss when hard shutdown!

Jeremy Chadwick freebsd at jdc.parodius.com
Sat Oct 2 14:21:47 UTC 2010


On Sat, Oct 02, 2010 at 08:26:48PM +0700, Phan Quoc Hien wrote:
> On Sat, Oct 2, 2010 at 7:59 PM, Ronald Klop <ronald-freebsd8 at klop.yi.org>wrote:
> 
> > On Sat, 02 Oct 2010 14:49:50 +0200, Phan Quoc Hien <phanquochien at gmail.com>
> > wrote:
> >
> >  Thank for your respond. I have checked my fstab file. I didn't see any
> >> option about SoftUpdates for my / partition.
> >>
> >
> > When you give the command 'mount' you will see several lines like this.
> >
> > /dev/ad8s1d on /var (ufs, local, soft-updates)
> >
> > Softupdates can be enabled/disabled with the command tunefs. See 'man
> > tunefs'.
> >
> > When I run mount command. it shown:
> $ mount
> /dev/ad0s1a on / (ufs, local)
> devfs on /dev (devfs, local, multilabel)

I didn't see anyone mention this to you in the thread, but:

By default in FreeBSD (during the installation phase), softupdates are
explicitly **not** applied to the root filesystem.  This is intentional,
but the reason for it I do not know.  I imagine it's justified though.

-- 
| Jeremy Chadwick                                   jdc at parodius.com |
| Parodius Networking                       http://www.parodius.com/ |
| UNIX Systems Administrator                  Mountain View, CA, USA |
| Making life hard for others since 1977.              PGP: 4BD6C0CB |



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