I think I understand now.  The system is no longer reading from/writing to
/dev/sda(2,3)  it is reading from/writing to /dev/md(0,1). So fstab entries
should be
/dev/md0       /usr2        ext2        defaults   1   1
/dev/md1       /usr3        ext2        defaults   1   1

not:
/dev/sda2       /usr2        ext2        defaults   1   1
/dev/sda3       /usr2        ext2        defaults   1   1
/dev/md0       /usr2rd        ext2        defaults   1   1
/dev/md1       /usr3rd        ext2        defaults   1   1

I will try this.

How will I know if this is working,  Is there a way to compare what is on
the paratitions?

Thanks

Gary Barrentine
[EMAIL PROTECTED]

> >  But when I copy something to either of the raided
> > partitions, it does not show up on the mirrored partition.
> > Could someone take a look a the info below and see if I
> > have done something wrong.
>
> Eeeeeeekk!
>
> This sound like you're trying to use your raid device exactly wrong:
>
> You MUST NOT use/mount/whatever the physical partitions making up
> your raid device; instead, all accesss MUST be done using the
> /dev/md<n> devices ONLY.
>
> Also, if you DID write to /dev/sda2 or /dev/sdb2, the devices are now
> no longer in sync whithout the raid layer being aware of this.
> Finaly, most probably you made the file systems (mkfs) on /dev/sda<n>
> instead of /dev/md<n>, so the persistent superblock conflicts with
> your filesystem.
>
> * Change any reference to one of the four physical partitions used in
> your raid devices (sda2,3, sdb2,3) in /etc/fstab to the corresponding
> raid device (/dev/md0 or /dev/md1)
>


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