----- Original Message -----
From: Andy Poling <[EMAIL PROTECTED]>
To: Corin Hartland-Swann <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Wednesday, May 31, 2000 6:10 AM
Subject: Re: RAID 1+0
> On Wed, 31 May 2000, Corin Hartland-Swann wrote:
> > I am trying to set up RAID1 + RAID0 over four disks. I have
> >
> > md1 = sda2 sdb2 (RAID 1)
> > md2 = sdc2 sdd2 (RAID 1)
> > md3 = md1 md2 (RAID 0)
> >
> > I can successfully mkraid these devices, but when I try to mke2fs I get
> > the message "Got md request, not good..."
>
> That's the error you will get any time that you try to layer raid levels
> that md does not support layering. It's a safety belt mechanism of sorts.
There is an exception!!!
md1 = sda2 sdb2 (RAID0)
md2 = sdc2 sdd2 (RAID0)
md3 = md1 md2 (RAID1)
will work.
<>< Lance.
