[dm-devel] help: device mapper table syntax for mirror option

["kiran dalvi" <kiran_bd hotmail com>]

Hi All,

   I am trying to mirror RAID 5 ( /dev/md0) to RAID 5 ( /dev/md1) using 
device mapper. But i don't know
  the syntax of mirror to put in device mapper table. i tried various 
combinations to solve it but of no help.
  I got following error

  *****************************************
  device-mapper ioctl cmd 9 failed: invalid argument
  command failed

  *******
  so can anybody help me by sending example of mirror option for device 
mapper table.

  regards,
  - Kiran

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