Areca ARC-1110, Руководство пользователя

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INTRODUCTION
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The RAID subsystem controller redistributes the original volume
set over the original and newly added disks, using the same
fault-tolerance configuration. The unused capacity on the ex -
pand raid set can then be used to create an additional volume
set, with a different fault tolerance setting (if required by the
user.)
The RAID subsystem controller redistributes the original vol -
ume set over the original and newly added disks, using the
same fault-tolerance configuration. The unused capacity on the
expand raid set can then be used to create an additional vol -
ume sets, with a different fault tolerance setting if user need to
change.
The expansion process is illustrated as following figure.