[asterisk-users] Saftware RAID1 or Hardware RAID1 with Asterisk

[Zane C.B.]

On Sun, 26 Aug 2007 11:51:19 -0600
Stephen Bosch <posting at vodacomm.ca> wrote:

> Zane C.B. wrote:
> > On Wed, 22 Aug 2007 12:37:26 -0600
> > Stephen Bosch <posting at vodacomm.ca> wrote:
> > 
> >> Zane C.B. wrote:
> >>> 1: Software RAID on Linux is way less than impressive. Plus last
> >>> a I checked Linux can't handle mirroring a entire disk. Last I
> >>> looked at it around a year ago you were limited to only
> >>> mirroring partitions, which is a joke from a administrative
> >>> standpoint.
> >> How is this any different in FreeBSD?
> >>
> >> Could you explain to me how else you are going to mirror an
> >> entire disk in software when your boot partition is on the disk?
> > 
> > The raid info is done the same as on other decent system, it is
> > stored at the in the last sector of the provider.
> 
> I still don't understand what you mean by this. Something has to
> load the RAID engine, and if the RAID engine is sitting on root
> partition which is on the mirror, then it's not going to work.
> 
> Are you saying that this only works on disks that do not contain the
> root partition?

It is mirrored. This means both disks are exactly the same. Towards
the end of the kernel starting up, it goes through finding all the
gmirror disk devices etc. The raid information is contained at the
end of device.