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Mirrored Vdev’s (RAID1)
This is akin to RAID1. If you mirror a pair of Vdev’s (each Vdev is usually a single hard drive) it is just like RAID1, except you get the added bonus of automatic checksumming. This prevents silent data corruption that is usually undetectable by most hardware RAID cards. Another bonus of mirrored Vdev’s in ZFS is that you can use multiple mirrors. If we wanted to mirror all 20 drives on our ZFS system, we could. We would waste an inordinate amount of space, but we could sustain 19 drive failures with no loss of data.  How To Create Mirrored Vdev Zpool


  • 4 Hands (3 varied selections) PINT
  • Blue Moon 5
  • Busch Beer 4
  • Odell Drum Roll APA 5
  • Guinness 6
  • Schlafly (varies) 5
  • Urban Chestnut (varies)
  • Budweiser 4
  • Bud Light 4
  • Crispin Blackberry Pear 6
  • Left Hand Nitro Milk Stout 6
  • Michelob Ultra
  • Miller High Life 7oz. Pony 2
  • Zima 5