Tag: adding a mirror

  • ZFS: Adding a new mirror to an existing ZFS pool

    ZFS: Adding a new mirror to an existing ZFS pool

      Mirrored vdevs are great for performance and it is quite straight-forward to add a mirrored vdev to an existing pool (presumably one with one or more similar vdevs already):   zpool add [poolname] mirror [device01] [device02] [device03]   If it’s a two-way mirror you will only have two devices in the above. An example…