never mind I did figure it out, I did play around with my settings and spare 
disk and it seems like its working

# zpool create -f testroot c1t0d0s0
Nov  6 20:02:10 adas ufs: NOTICE: mount: not a UFS magic number (0x0)
# zfs list
NAME                  USED  AVAIL  REFER  MOUNTPOINT
rootpool             29.4G  37.6G  21.5K  /rootpool
rootpool/ROOT        17.4G  37.6G    18K  /rootpool/ROOT
rootpool/ROOT/zfsBE  17.4G  37.6G  17.4G  /
rootpool/dump        4.02G  37.6G  4.02G  -
rootpool/swap        8.00G  44.4G  1.13G  -
testroot             89.5K  9.78G     1K  /testroot
# zpool attach testroot c1t0d0s0 c1t0d0s1
# zpool list
NAME       SIZE   USED  AVAIL    CAP  HEALTH  ALTROOT
rootpool    68G  22.6G  45.4G    33%  ONLINE  -
testroot  9.94G   112K  9.94G     0%  ONLINE  -
# zpool status
   pool: rootpool
  state: ONLINE
  scrub: none requested
config:

         NAME        STATE     READ WRITE CKSUM
         rootpool    ONLINE       0     0     0
           c1t1d0s0  ONLINE       0     0     0

errors: No known data errors

   pool: testroot
  state: ONLINE
  scrub: resilver completed after 0h0m with 0 errors on Thu Nov  6 20:03:01 2008
config:

         NAME          STATE     READ WRITE CKSUM
         testroot      ONLINE       0     0     0
           mirror      ONLINE       0     0     0
             c1t0d0s0  ONLINE       0     0     0
             c1t0d0s1  ONLINE       0     0     0

errors: No known data errors
#





On Thu, 6 Nov 2008, Krzys wrote:

>
> Currently I have the following:
>
> # zpool status
>   pool: rootpool
>  state: ONLINE
>  scrub: none requested
> config:
>
>         NAME        STATE     READ WRITE CKSUM
>         rootpool    ONLINE       0     0     0
>           c1t1d0s0  ONLINE       0     0     0
>
> errors: No known data errors
> #
>
> I would like to put c1t0d0s0 disk in and setup mirroring for my root disk. I 
> am
> just addraid that if I do add my disk that instead of creating mirror I will 
> add
> it to a pool to have it concat/stripe rather than mirror. How can I add disk 
> to
> this pool and have mirroring instead of striping it?
>
> Regards,
>
> Chris
>
> _______________________________________________
> zfs-discuss mailing list
> zfs-discuss@opensolaris.org
> http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
>
>
> !DSPAM:122,491393cf9027197925582!
>
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