HPE StoreOnce 5100

3. Daisy chain the third enclosure to the first enclosure.
4. Daisy chain the fourth enclosure to the second enclosure.
WARNING:
Never disconnect all SAS cabling at the same time while the system is powered on. It is essential to
maintain an active SAS connection throughout the expansion process.
Daisy chaining enclosures
Procedure
1. Connect the interlink cables between the two drawers in the new enclosure.
2. Connect the IOM A modules in the two enclosures.
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.
Two enclosures above and two enclosures below the server
The following diagram illustrates the cabling for all four enclosures where two enclosures are above and
two enclosures are below the server. This configuration provides equal weight distribution in the rack. To
provide protection from the weight of the disk enclosures, the 1U support shelf is installed immediately
above the server. Refer to the HPE StoreOnce 5500 System Capacity Upgrade Guide for detailed step-
by-step cabling instructions.
Daisy chaining enclosures 15