Artesyn Centellis 4100 Installation and Use (2015) - Manual (Page 194)

Configuring and Operating the System
Centellis 4100 Installation and Use (6806800D82E) 196
The following table shows which shelf manager becomes active or standby depending on
which hub blades are present in the shelf.
p: Hub blade present
h: Hub blade ejector handles are open
-: Hub blade not present
a: Shelf manager active
s: Shelf manager standby
6.7.2.2 Hub Blade
Both hub blades present in a Centellis 4100 system boot identically. Each ATCA-F120 provides
DHCP for its base interface network.
6.7.2.3 System Manager
If the system manager accesses the active shelf manager via the backplane Ethernet interfaces
it may use virtual IP Plane and active virtual IP address 192.168.20.171 of the shelf manager.
Table 6-8 Start up Dependencies of the Shelf Manager and the Hub Blade
Left Hub Blade Right Hub Blade Left Shelf Manager Right Shelf Manager
- - a s
- p s a
p - a s
p p a s
- h s a
h - a s
h h a s
p h a s
h p s a