RA7000 and ESA10000 Storage Subsystems
1–18
EK–SMCPP–UG. A01
NOTE
If the master EMU is not communicating with the
controller or the controller does not support a
controlled shut down, the master EMU commands
all enclosures to perform an immediate power
shut down.
1.3.3.3 Expansion Enclosure Initiated Power Shutdown
NOTE
This procedure will only work when the
controller(s) have been shut_down.
When you press the PVA dc power switch on the enclosure and the expansion
EMU can communicate with the master EMU, one of the following power
shutdown operations occurs:
NOTE
When the expansion EMU
cannot communicate
with the master EMU, pressing the dc power
switch causes an immediate controlled power
shutdown of only the expansion enclosure.
1. The slave EMU changes its status to indicate that the dc power switch was
pressed.
2. The master EMU notes the change in status.
3. The master EMU notifies the controller of the change in status.
4. When the controller is ready, it sends a controlled power shut down
command to the master EMU.
5. A controlled power shut down is completed on all the subsystem cabinets.
NOTE
If the master EMU is not communicating with the
controller or the controller does not support a
controlled shut down, the master EMU commands
all enclosures to perform an immediate power
shut down.
Содержание ESA10000
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