Thermaltake Muse NAS-RAID N0001LN, User Manual

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In a normal state, you cannot add a disk to a RAID 0 or RAID 1 configuration.
Any disk that you install will not be used unless you subsequently reconfigure
the storage system.
CAUTION: Reconfiguring your storage system disks deletes all the data on your storage
system.
However, if you currently have three disks and a RAID 5 configuration, you can
add a fourth disk as a spare (essentially changing from RAID 5 to RAID 5 +
spare while retaining all your existing data).
In a degraded state, you can add a disk to a RAID at any time, and the new disk
will be rebuilt to replace the disk that was removed or failed.
CAUTION: If the RAID has failed – that is, if so many disks have failed or been removed
that the RAID can no longer function – you must either re-install the disks or reconfigure
the entire storage system, deleting all the data on your system.
Adding Hard Disks to a Linear or Normal RAID Configuration
To add a hard disk to a linear or normal RAID configuration:
1. Insert the hard disk into the storage system. You can do this whether the
storage system is powered on or off.
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