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1 RAID controller
The rear view illustrated is from an HPE StoreOnce 4500 Backup system. The HPE StoreOnce 2900
Backup system is similar (it does not have a FC card).
Figure 9: HPE 4500 and HPE 2900 models, location of the p1224 controller
1 RAID controller
Figure 10: HPE 2700 models, location of the p1224 controller
Identifying a RAID controller failure
All HPE StoreOnce Backup systems boot from a p1224 RAID controller that is also connected to some or
all of the customer data storage disks.
Procedure
1. If a catastrophic failure of the boot RAID controller occurs, the system will not boot. This may only be
diagnosed from the server POST messages where the controller may report an error or a lockup code.
In these cases contact HPE Support and provide information about the reported error code.
2. For other forms of non-catastrophic RAID controller failure, or failure of the second RAID controller on
the StoreOnce 4700 Backup, look at the Event Log and Hardware Page on the StoreOnce GUI.
3. If RAID fails and the HPE StoreOnce Backup System is still functioning, you can also get information,
including license keys, by generating a Support ticket.
Replacing the HP p1224 controller
When replacing the p1224 controller be sure to always replace the card into the same slot from which it
was removed. Make sure the card is connected to the SuperCapacitor module and to the internal and
external SAS data storage.
CAUTION: To reduce the risk of personal injury or damage to the equipment, consult the safety
information and user documentation provided with the server and p1224 controller before replacing
the p1224 controller.
Identifying a RAID controller failure
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