Installing Expansion Enclosures With The Hp Storeonce 4500 - HP StoreOnce 2700 Installation And Configuration Manual

In the following example three further expansion shelves have been connected in addition to the
first shelf that is always required. When adding the second and subsequent shelves it is necessary
to expand storage.
The second expansion enclosure is connected to the RAID controller in slot 4, again using the
longer HD SAS cable. Subsequent expansion enclosures are daisy-chained using the half-meter
mini SAS cables; for example, expansion enclosure 3 to enclosure 1 and expansion enclosure 4
to enclosure 2. The connection is from P2 on the upper module of the previous enclosure to P1 on
the upper module of the next enclosure, as illustrated below.
Figure 12 Cabling example for the HP StoreOnce 4700 Backup system
1. Power connectors
3. HD SAS port on RAID controller 2
5. P2 port on expansion shelf (connects to P1 on
adjacent expansion enclosure)

Installing expansion enclosures with the HP StoreOnce 4500

The HP StoreOnce 4500 Backup base system contains 12 disks. Up to three Capacity Upgrade
Kits may be connected if more storage is needed. Compatible cables are provided with the Capacity
Upgrade Kit; a longer HD SAS cable to connect the expansion shelf to the head unit and a half-meter
mini SAS cable for daisy-chaining subsequent shelves.
20 Installing and cabling the HP StoreOnce Backup system
2. HD SAS port on RAID controller 1
4. P1 port on expansion shelf (Note how
subsequent shelves may be daisy chained)
6. Power on button