Spares Part NumberToFromItem
784625-001Rear drive cagePort 1, RAID controller (OS)1
729357–001Port 1, SAS expander (slot 2)Port 1, RAID controller (slot 3)2
784627–001 (kit for all three SAS
expander to backplane cables)
Port 1, backplanePort 5, SAS expander3
Port 2, backplanePort 4, SAS expander4
Port 3, backplanePort 3, SAS expander5
Identifying a RAID controller failure
HPE StoreOnce 3100, 3520 and 3540 Systems boot from the p1224 RAID controller that is also
connected to the customer data storage disks.
HPE StoreOnce 5100 Systems boot from the onboard smart array controller which is connected
to the two OS disk drives in the rear of the server.
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.
Other forms of non-catastrophic RAID controller failure will be reported in the Event Log and the
Hardware pages on the StoreOnce GUI.
NOTE: If RAID fails and the HPE StoreOnce System is still functioning, you can also get
information, including license keys, by generating a Support ticket.
Identifying a RAID controller failure 43
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