HP StoreOnce 4430 HP StoreOnce 2600, 4200 and 4400 Backup system Maintenance a - Page 20

5 The HP SmartArray P410i and P411 RAID controllers and HP SAS expander card (HP StoreOnce 4430/4420 Backup system) Overview HP StoreOnce 4430 Backup system The HP StoreOnce 4430 Backup system has four RAID controllers. • The P410i RAID controller is integral to the DL370G6 motherboard and is used to control the 12 hard disk drives internal to the HP StoreOnce 4430 Backup system via the HP SAS Expander card in slot 1. It is identified as sa_controller_0 in the StoreOnce GUI and CLI. The RAID controller is fitted with I GB RAM and one FBWC (flash backed write cache). • The three P812 cards are used to connect the external storage shelves to the HP StoreOnce 4430 Backup system and are located in PCI-e slots 4, 5 and 6. They are identified as sa_controller_4, sa_controller_5 and sa_controller_6 in the StoreOnce GUI and CLI. Each card is fitted with 1024 MB RAM and one FBWC (flash backed write cache). NOTE: If you replace a motherboard with integral P410i card, you must add the RAID 6 license for the card, as described in the relevant sections below. Figure 7 HP StoreOnce 4430 Backup system, location of the P812 controller and HP SAS expander card 1 P812 RAID controllers 2 HP SAS expander card WARNING! To reduce the risk of personal injury or damage to the equipment, consult the safety information and user documentation provided with the server and RAID controllers before attempting the installation. 20 The HP SmartArray P410i and P411 RAID controllers and HP SAS expander card (HP StoreOnce 4430/4420 Backup system)