Subject: Re: newfs problem on raid device
To: None <netbsd-users@netbsd.org>
From: Christoph Kaegi <kgc@zhwin.ch>
List: netbsd-users
Date: 11/15/2006 09:28:28
On 13.11-21:58, Matthias Scheler wrote:
> On Mon, Nov 13, 2006 at 09:47:23AM +0100, Christoph Kaegi wrote:
> > Ok, I've got the disklabel now:
> > 
> > ---------------------------- 8< ----------------------------
> > 8 partitions:
> > #        size    offset     fstype [fsize bsize cpg/sgs]
> >  a:   2097996        63       RAID                     # (Cyl.      0*-   1461*)
> >  b:   2097996   2098059       RAID                     # (Cyl.   1461*-   2922*)
> >  c:  71687309        63     unused      0     0        # (Cyl.      0*-  49921*)
> >  d:  71687372         0     unused      0     0        # (Cyl.      0 -  49921*)
> >  e:  20480232   4196055       RAID                     # (Cyl.   2922*-  17184*)
> >  f:  47001716  24676287       RAID                     # (Cyl.  17184*-  49915*)
> > ---------------------------- 8< ----------------------------
> 


> For a plain two disk RAID 1 setup there is only one advantage of having
> multiple RAID volumes. If your machine gets stuck in the middle of shutting
> down some of the RAID volumes might already have been closed properly and
> will therefore not be resynced when the system comes back up.
> 

Isn't there a benefit also in the case of an unclean shutdown or 
'hard reboot' that the system will come up faster?


-- 
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Christoph Kaegi                                           kgc@zhwin.ch
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