BX900 S2 Upgrade and Maintenance Manual 143
9 Management Blades
9.1 Basic information
The PRIMERGY BX900 S2 system unit has slots for two management blades
for complete remote administration of the system, MMB 1 and MMB 2 in figure
"PRIMERGY BX900 S2 system unit rear" on page 176. The basic configuration
of the BX900 S2 system unit contains one management blade.
If two management blades are installed in the system unit, one will take over the
role of the master, who is in charge of the server management, while the other
one will take over the slave role and remain in a standby status as a redundant
component. As soon as the master fails to work properly, for instance, when
unplugged by the system administrator, the standby component will take over
control of the server management.
For a detailed description, see the manual "PRIMERGY BX900 Blade Server
Systems ServerView Management Blade S1 User Interface Description".
V CAUTION!
When installing or replacing a management blade, make sure that the
new management blade has the required firmware version.
– If two management blades are installed in the system unit, the
firmware version of the slave management blade must match the
firmware version of the master.
– If one management blade is installed in the system unit, the firmware
version of the new management blade must be at least equal to the
firmware version of the old one.
If the firmware version of the old management blade is unknown, you
must update the firmware to the latest version.
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