Procedure
1. Power off the HPE StoreOnce Backup system and, observing the safety and antistatic procedures
documented in the HPE ProLiant Servers user guides. Remove the cover from the HPE StoreOnce
Backup system, as described in the appropriate HPE ProLiant Maintenance and Service Guide.
2. Locate the p1224 controller card and detach the cables connecting it to the SuperCapacitor, and the
internal and external SAS storage. (The StoreOnce 4700 Backup has two RAID cards; be sure to
identify which slot contains the failed card.)
3. As shown in the following figure, unclip the blue retaining latch on the PCIe card (1 and 2) and remove
the PCIe card (3).
Figure 11: Removing a p1224 card, example shows an HPE StoreOnce 4700 Backup
4. Install the new p1224 card (1) and check that it is seated properly. Close the blue PCIe card retaining
latch (2).
Figure 12: Inserting a p1224 card, example shows an HPE StoreOnce 4700 Backup
5. Make sure the card is connected to the SuperCapacitor module and to the internal and external SAS
data storage.
6. Replace the cover, as described in the appropriate HPE ProLiant Maintenance and Service guide, and
power on the HPE StoreOnce Backup system.
7. Once rebooted, the HPE StoreOnce Backup system will identify the new RAID controller and will
remap the existing disk storage volumes and enclosures to the controller. It will take 5 to 10 minutes
38 The HP p1224 RAID controller
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