9.0 install and journaling

RW rwmaillists at googlemail.com
Sat Dec 10 12:20:48 UTC 2011

On Sat, 10 Dec 2011 11:40:53 +0000
Frank Shute wrote:

> On Sat, Dec 10, 2011 at 07:51:50PM +1000, R Skinner wrote:

> > possibly could, but it escaped me as to how. And before I do- I
> > looked up journaling on 9. I couldn't quite get to the bottom of
> > whether it is or isn't available/standard, or how to determine its
> > happening. I'm only interested because of unexpected
> > shutdowns/battery dead on the laptop- I also have 500G which is a
> > while to wait for fsck. Speed I'd like, but I have to consider
> > system integrity first.

> I'm unfamiliar with the new bsdinstaller but AFAIK it sets up a UFS2
> filesystem for you.
> This comes with background fsck and softupdates which achieve the
> objective of not having to wait for a lengthy foreground fsck if you
> don't shutdown your laptop cleanly.
> but to be honest, I wouldn't bother in your position: it's just more
> stuff to go wrong for no appreciable gain to you.

9.0 also supports soft-update journalling which eliminates the
background fsck.

If you don't know whether it's on or not you can run 

tunefs -p /

If it's not on then tunefs can turn it on, but you will presumably  need
to reboot into single user mode. 

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