G-Technology G-RAID Studio, Product Manual

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Maintenance for Your Drive
4. If G-RAID was set up in RAID 1 mode, the unit will begin rebuilding data on the drive.
During this process, the activity LED will indicate data access. The rebuild time is
approximately two hours per terabyte.
5. Once the rebuild is complete, G-RAID is back to normal and once again protecting
your valuable data.
Helpful tips
You can continue using G-RAID even while the drive volume is being rebuilt. However, it
will run at a slower data rate.
It is good practice to keep at least one spare drive module on hand in case of a disk fail-
ure. That way, you can rebuild your array in hours rather than wait days for a new one to
ship.