Mirroring resolved

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So it was a bit tricky, but I think I got it to work...

1. Save the source disk partition table:

• format c5t0d0
• save (to format.dat)
• quit

2. Repartition the destination disk:

• format c5t1d0
• fdisk (delete partition 1, exit)
• fdisk (use the default, exit)
• label ( 0 - SMI, use format.dat)
• quit

3. Mirror to the 2nd slice

• zpool attach -f rpool c5t0d0s0 c5t1d0s2

4. Install grub

• installgrub /boot/grub/stage1 /boot/grub/stage2 /dev/rdsk/c5t1d0s0

5. Verify partition table is still correct...

• format c5t0d0 and format c5t1d0
• partition
• print
• (they should match)