PLANET NAS-7400 User Manual

Page 118

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Data Stripe

Data
Mirror

disk drives

RAID 10 takes a data mirror on one drive pair and stripes it over two drive
pairs

The data capacity RAID 10 Volume equals the capacity of the smallest disk
drive times the number of disk drives, divided by two.
In some cases, RAID 10 offers double fault tolerance, depending on which
disk drives fail.
RAID 10 Volumes on NAS-7400 consist of four disk drives.
Because all of the available disk drives are used for the RAID Volume, you
cannot set up a spare drive with RAID 10.