TeraStation User Manual
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• RAID 1 mode (Default for TS-WXL/R1)
Arranges 2 hard drives in one array. You can set up to 2 arrays on TS-XL, TS-XEL, and TS-RXL series. Total usable space
is 1 hard drive’s space for each array. Data is written to 2 hard drives at once. If a drive fails, data can be recovered by
replacing the damaged drive (data cannot be recovered if both drives in the array become damaged).
You can create an array and designate another drive as a hot spare (which automatically replaces a failed drive) for TS-
XL and TS-RXL TeraStation models. You can also use 2 drives to create a RAID 1 array, use another drive as a hot spare,
and use another as a regular drive, all at once.
• RAID 0 mode
This is the fastest RAID mode, but if any of the drives fails, data cannot be recovered.
• Normal Mode (Default for TS-WXL/1D)
This mode uses the hard drives inside the TeraStation as individual hard disks. It is sometimes referred to as JBOD. The
disk space you can use is the total space of all hard drives in the TeraStation. If a hard disk is damaged, you cannot
recover data from that drive.
Note:
During a recovery, the TeraStation’s front LED display shows “RAID ARRAY* Resyncing” and file transfer speeds are
slower than usual until the RAID array is rebuilt.
