HP Store Once 4900 Backup Maintenance and Service Guide

2. Locate the p1228 controller card and detach the cables connecting it to the SuperCapacitor
and to the external SAS storage. (The StoreOnce 4900 Backup has two RAID cards; be sure
to identify which slot contains the failed card.)
3. Unclip the blue retaining latch on the PCIe card (1 and 2) and remove the PCIe card (3).
Figure 7 Removing a p1228 card
4. Move the cache module from the failed p1228 card to the new card in case there is any data
that has not been written to disk. (Do not disconnect the superCapacitor from the cache
module.)
5. Install the new p1228 card (1) and check that it is seated properly. Close the blue PCIe card
retaining latch (2).
Figure 8 Inserting a p1228 card
6. Make sure the card is connected to the SuperCapacitor module and to the external SAS data
storage.
7. Replace the cover, as described in the appropriate HP ProLiant Maintenance and Service
guide, and power on the HP StoreOnce Backup system.
8. Once rebooted, the HP 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 for the process to complete. During this time the product will be online but several
18 The HP p1228 RAID controller