zfs question

[krad]

On 8 August 2010 16:51, Adam Vande More <amvandemore at gmail.com> wrote:

> On Sun, Aug 8, 2010 at 10:37 AM, Dick Hoogendijk <dick at nagual.nl> wrote:
>
> >  On 8-8-2010 14:27, Matthew Seaman wrote:
> >
> >> Yes. It works very well.
> >> On amd64 you'll get a pretty reasonable setup out of the box (so to
> >> speak) which will work fine for most purposes.
> >>
> > One other thing comes to mind. I want a very robus, fast rockl solid
> > *server*
> > It will be a file- email and webserver mostly.
> >
> > Instead of using two ZFS mirrors I could also go for gmirror (I'm not
> > familiar with it, but it's been around for quite some time so it should
> be
> > very stable). I don't get the data integrity that way, but my files would
> be
> > safe, no?
> >
> > Also, using gmirror I could use "normal" BSD UFS filesystems and normal
> > swap files devided across all disks?
> > Or am I wrong, thinking this way.
> >
> > I'm not into fancy stuff; it has to be robust, fast and safe.
>
>
> You do not *need* amd64, however it would the best choice.  I wouldn't even
> mess around with gmirror.  It's great and I love it, but it has some
> serious
> drawback's compared to zfs mirroring.  One is there is no integrity
> checking, and two is a full resyc is required on an unclean disconnect.
>
> http://wiki.freebsd.org/RootOnZFS/GPTZFSBoot/Mirror
>
> --
> Adam Vande More
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you could add a gjournal layer in there as well for better data integratity.
I think you can do softupdates + journal as well now although I have never
used it