3. Make the connection from the P2 of the RAID controller to the newly added enclosure.
IMPORTANT: Do not disturb the SAS cabling between P1 of the RAID controller card and
the existing enclosure.
4. Connect the IOM B modules in the two enclosures.
SAS cable lengths
The StoreOnce implementation uses Managed Cables, making it easier to identify faults. The
StoreOnce software verifies that the correct length SAS cables are being used. Mini-SAS HD
connectors are used throughout.
SAS cables should ‘click’ and lock into position when correctly inserted. Three cable lengths are
available. The maximum supported cable length is 2.0 m.
Table 7 Supported SAS cables
Location for usePart NumberDescription
Between drawers of a disk enclosure691970-0010.5 m Mini-HD SAS to Mini-HD SAS cable
Between disk enclosures or between the
server and the disk enclosure
691970-0021.0 m Mini-HD SAS to Mini-HD SAS cable
Between the server and the disk enclosure if
the 1.0 m cable is not long enough. Do not
use to connect one disk enclosure to another.
691970-0032.0 m Mini-HD SAS to Mini-HD SAS cable
NOTE: To facilitate future expansion, HPE recommends using 2.0 m SAS cables to connect
from the server to Drawer 2 of the disk enclosure. For this reason, the base system of one server
and one disk enclosure is supplied with two 0.5 m cables and two 2.0 m cables.
12 SAS cabling for StoreOnce 5500 Systems
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