IBM FlashSystem 900, Service Manual

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Control Panel LED Status Versus 3746-900 States
IML Request Versus 3746 Model 900 States
The CBSA IML, the general IML, the service processor link restart function started from the control panel,
and the selective IML on a processor started from the MOSS-E are all executed (or not) depending on the
initial 3746-900 state.
The requested action is started only if the 3746-900 is in ready state. If not, a default action is started as
shown in the following table.
Notes:
1. The final state is standby.
2. The final state is ready.
Table 1-6. LED Status Versus 3746-900 States
Standby
LED Ready LED 3746-900
State Comment
Blinking OFF AC ON Initialization of the CBSP hardware, and the 3746-900 waits for
first recognition by the MOSS-E on LAN connection.
ON OFF Standby The 3746-900, initially recognized by the MOSS-E, waits for a
power ON condition, (only the CBSP EEPROM code is
running).
OFF Blinking Power ON IML loading in all 3746-900 processors.
OFF ON Ready The 3746-900 is now available.
Table 1-7. IML Request Versus 3746-900 States
Initial
3746-900 State CBSA IML
Request (1/4) General IML
Request (0/3) Selective IML
Request Service
Processor
Link Restart (6)
AC ON (Note 1) General IML (0/3) General IML (0/3) NA General IML (3)
Standby (Note 1) General IML (0/3) General IML (0/3) NA General IML (3)
Power ON
/IML in progress
(Note 2) General IML (0/3) General IML (0/3) NA General IML (3)
Ready (Note 2) CBSA IML (1/4) General IML (0/3) Selective IML Service Processor
Link Restart (6)
CBSA IML
in progress
(Note 2) CBSA IML (1/4) General IML (0/3) NA CBSA IML (1/4)
Selective IML
(Note 2) CBSA IML (1/4) General IML (0/3) Wait previous
selective IML end Service Processor
Link Restart (6)
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3746-900: Service Guide