Powering On; Disengaging The Pdu Pivot Brackets - HP 3PAR StoreServ 7450 Service Manual

2. Select Halt a StoreServ cluster/node.
3. Follow the prompts to shutdown an HP 3PAR StoreServ cluster. Do not shut down individual
Nodes.
4. Allow 2-3 minutes for the node to halt, then verify that the node Status LED is flashing green
and the node hotplug LED is blue, indicating that the node has been halted. For information
about LEDs status, see
5. Turn off power to the node PCMs.
6. Turn off power to the drive enclosure PCMs.
7. Turn off all PDUs in the rack.
Using SPMAINT
1. Select option 4 (StoreServ Product Maintenance).
2. Select Halt a StoreServ cluster/node.
3. Follow the prompts to shutdown an HP 3PAR StoreServ cluster. Do not shut down individual
Nodes.
4. Allow 2-3 minutes for the node to halt, then verify that the node Status LED is flashing green
and the node hotplug LED is blue, indicating that the node has been halted. For information
about LEDs status, see
5. Turn off power to the node PCMs.
6. Turn off power to the drive enclosure PCMs.
7. Turn off all PDUs in the rack.
Using CLI Directly on the Controller Node if the SP is Inaccessible
1. Enter the CLI command shutdownsys
CAUTION:
to view the shutdown as uncontrolled. The system will undergo a check-state when powered
on if the nodes are not fully halted before power is removed and can seriously impact host
access to data.
2. Allow 2-3 minutes for the node to halt, then verify that the node Status LED is flashing green
and the node hotplug LED is blue, indicating that the node has been halted. For information
about LEDs status, see
3. Turn off power to the node PCMs.
4. Turn off power to the drive enclosure PCMs.
5. Turn off all PDUs in the rack.

Powering On

1. Set the circuit breakers on the PDUs to the ON position.
2. Set the switches on the power strips to the ON position.
3. Power on the PCMs on all the drive enclosures sequentially.
NOTE:
hard drive(s) installed before powering on the enclosure.
4. Power on the node enclosure PCMs.
5. Verify the status of the LEDs, see

Disengaging the PDU Pivot Brackets

To access the vertically mounted power distribution units (PDU) or servicing area, the PDUs can
be lowered out of the rack.
30 Servicing the Storage System
"Understanding LED Indicator Status" (page
"Understanding LED Indicator Status" (page
Failure to wait until all controller nodes are in a halted state can cause the system
"Understanding LED Indicator Status" (page
To avoid any cabling errors, all drive enclosures must have at least one or more
halt. Confirm all prompts.
"Understanding LED Indicator Status" (page
8).
8).
8).
8).