APC iSCSI SATA II - Manual (Page 49)

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3.6.3 RAID Group
Enter “Volume group” to view the status of each volume group.
The following is an example of how to create a RG:
Step 1: Click “ ”, enter “Name”, choose “RAID level”, click
“ ” to select PD. Then click “ ”.
Step 2: Confirm page. Click “ ” if all setups are correct.
It’s done. View the “RAID group” page.
The example above shows RAID 5 with 3 physical disks, and RG is named
“RG1”. The total size is 1862GB.