Dell PERC6?

Aldas Nabazas freebsd.stable1 at
Wed Jan 23 07:27:50 PST 2008

On Jan 23, 2008 1:58 PM, John Baldwin <jhb at> wrote:

> On Sunday 20 January 2008 09:50:36 am Jeremy Chadwick wrote:
> > On Fri, Jan 18, 2008 at 10:35:21AM +0100, Ferdinand Goldmann wrote:
> > > Jeremy Chadwick wrote:
> > >> You'd be best off with RELENG_7 and not 6.3, but yes, the controller
> in
> > >> question should work on RELENG_6 and RELENG_6_3.
> > >
> > > Very well, seems like I am going to give RELENG_7 a try then.
> > > Thanks to everyone who replied!
> >
> > Another user just posted to -stable about problems with these Dell
> > machines and PERC6.  I'm not sure if you're subscribed to -stable or
> > not, so here's the thread:
> >
> >
> The problem folks are having are with using volumes greater than 1 TB.
>  The
> BSD label cannot handle such large disks.  Instead, if you are just using
> the disk for data you can newfs /dev/mfid1 directly and use it as a
> filesystem, or if you need to partition the disk you can use gpt(8) to do
> so.  If you need to boot from such a large disk you will need to use the
> GPT boot code in HEAD (I will backport it to 6.x and 7.x soon).  I've
> successfully used it to boot on 2 TB mfi(4) volumes.  Unfortunately
> sysinstall doesn't support GPT at all, only the older MBR + BSD label
> method.
> Note that this problem has nothing to do with mfi(4) at all, but it is a
> limitation of the BSD label + MBR that applies to any volume >= 2 TB.

Hi John,

It seems that the problem is exactly as you described as i was able to get
everything working setting 2x146 disks as RAID1 and 4x146 as RAID5.


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