>>>>> "cm" == Christopher May <[EMAIL PROTECTED]> writes:

    cm> Is there a way to to unstrip them and or convert it to a
    cm> mirror?  The drive hasnt been written to since so I don't know
    cm> if zfs automatically starts stripping the data between the
    cm> drives.

There is no supported way and have been no reports of anyone's forcing
it to happen so far.  I think you should buy the third drive.

If you can find a small drive laying around, here is another option
that might work, but you could lose the whole pool due to some
miscalculation or another mistake:

 1. make a new, small 1-drive zpool on the small drive

 2. make a 1TB zvol on the small zpool, without reservation (zfs
    create -Vs).  so the zvol is larger than the pool.

 3. 'zpool replace' the mostly-empty disk with the sparse zvol.  wait
    for resilver.

    you can tell which disk is mostly empty using 'zpool iostat -v'.

 4. create a new zpool on the just-freed 1TB drive

 5. rsync from 2TB zpool onto 1TB zpool, another 3 days

 6. destroy the old 2TB zpool.  'zpool attach' the freed 1TB drive to
    the new zpool.

untested, YMMV.

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