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RAIDZ Example


In this example we create a RAID-Z2 (double parity) pool using 6 disks. This pool can tolerate up to 2 disks failing at the same time. In this example we force the owner of the zfs file system to owner “me”, you may want to likewise set a non-root owner for your file system.

$ sudo zpool showdisks
DISK DEVICE      SIZE  CONNECTION    DESCRIPTION
/dev/disk1    1.82TiB  SATA          WDC WD20EURS-63S48Y0 Media
/dev/disk2    1.82TiB  SATA          WDC WD20EURS-63S48Y0 Media
/dev/disk3    1.82TiB  SATA          WDC WD20EURS-63S48Y0 Media
/dev/disk4    1.82TiB  SATA          WDC WD20EURS-63S48Y0 Media
/dev/disk5    1.82TiB  SATA          WDC WD20EURS-63S48Y0 Media
/dev/disk6    1.82TiB  SATA          WDC WD20EURS-63S48Y0 Media

$ sudo zpool create -f raider raidz2 /dev/disk1 /dev/disk2 /dev/disk3 /dev/disk4 /dev/disk5 /dev/disk6

$ sudo chown me:staff /Volumes/raider

$ zpool status raider
  pool: raider
 state: ONLINE
 scan: none requested
config:
  NAME                                      STATE     READ WRITE CKSUM
  raider                                    ONLINE       0     0     0
    raidz2-0                                ONLINE       0     0     0
      GPTE_6AA8E61A-63AE-4C82-8117-1CA41F…  ONLINE       0     0     0  at disk1s2
      GPTE_203C7C41-2576-456E-AD1D-FE17AF…  ONLINE       0     0     0  at disk2s2
      GPTE_9B68CBE7-5232-456A-907A-7120AB…  ONLINE       0     0     0  at disk3s2
      GPTE_16485F0B-985D-4B78-AD1B-693764…  ONLINE       0     0     0  at disk4s2
      GPTE_165B209A-A829-462D-A297-60E51F…  ONLINE       0     0     0  at disk5s2
      GPTE_93905919-5908-4137-9D31-C6EAA3…  ONLINE       0     0     0  at disk6s2

errors: No known data errors

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