USRobotics Serial ATA 4-Drive NAS Guide D'installation Rapide page 15

English
By default, the storage system selects the configuration that provides the best level of data protec-
tion available: for a single disk, a linear configuration; for two disks, RAID 1; and for three or four
disks, RAID 5.
If you want to change the disk configuration, select the desired RAID level and then click Next.
If you want to add or remove hard disks, do so one at a time. For each disk, wait until the Disk LED is
blue and click Scan. When you are finished adding disks, select your configuration and click Next.
When you click Next, the Disks to Back Up screen appears:
7. In the Number of disks to back up list, select the total number of disks that you plan to back up to this
storage system. The maximum number of disks you can back up is 25.
If you don't plan to back up any disks, select 0, click Next, and go to step 10.
If you leave this field blank, 70% of your storage space will be allocated for backups, and 30% will be
allocated for shared folders.
If some computers have multiple disks, be sure to select the total number of disks that you plan to
back up. For example, if your network has five computers and each computer has two hard disks, you
should select 10.
When you select a number, a corresponding number of text boxes (Disk 1, Disk 2, etc.) appear in
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