LaCie 2BIG NAS User Manual page 190

11. At the prompt, confirm the synchronization. While the Dashboard is not available during the initial phase of
the synchronization, you may access data stored on your LaCie 2big NAS throughout the process. Please
note that the RAID 1 array is stll configured for the capacity of the original hard disks. It is not possible to
surpass the previous capacity at this time.
12. Once the synchronization is complete, click Expand in the RAID status section. DO NOT click Manage.
Following the instructions in Manage will create a new RAID array and delete all media. The RAID 1 array
will synchronize once more to extend the storage capacity to that of the new hard disks. In this example,
from 1TB to 3TB. Data is available to users during the synchronization.
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