• Connect the first enclosure to the RAID controller card in slot 2 of the head server.
• Connect the second enclosure to the RAID controller card in slot 3 of the head server.
• Daisy chain the third enclosure to the first enclosure.
• Daisy chain the fourth enclosure to the first 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 sequence
For new installations before the StoreOnce 5500 System has been powered up for the first time, the only
requirement is to connect the enclosures according to the JBOD sequence identified on the label
For existing installations where the StoreOnce 5500 System is powered on, always follow the
recommended sequence for connecting cables when daisy chaining enclosures, .
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.
Daisy chaining sequence
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