1
Connector to external SAS storage (Port 2E
to drawer 2, Port 1E to drawer 1)
2
Cache module
3
SuperCapacitor (located in the center of the
unit, clipped to the floor of the chassis behind
the disk cage)
4
SuperCapacitor connector
5
LEDs
Location of the HP p1228 RAID cards (server rear view)
1
RAID controller in PCIe slot 1
2
RAID controller in PCIe slot 4
Figure 3: HPE StoreOnce 4900 models, location of the p1228 controllers
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 p1228 controller before attempting the installation.
HP p1228 RAID card ports
Figure 4: Port numbering on the RAID card
1. Port 1E 2. Port 2E
Identifying a RAID controller failure
The StoreOnce System boots from the Smart Array on the motherboard and the two disks in the server. If
a catastrophic failure of the boot RAID controller occurs, the system will not boot. This failure may only be
diagnosed from the server POST messages where the controller may report an error or a lockup code. In
these cases contact HP Support and provide information about the reported error code.
Other forms of non-catastrophic RAID controller failure, or failure of the second RAID controller on the
StoreOnce 4900 Backup, will be reported in the Event Log on the StoreOnce GUI.
32 Location of the HP p1228 RAID cards (server rear view)
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