Ê Inform the customer about changed WWN and MAC addresses. For further
information, refer to section "Looking up changed MAC / WWN addresses"
on page 153.
Ê After replacing a network controller in a server running Linux OS, update its
MAC address in the related NIC definition file as described in section
"Updating the NIC configuration file in a Linux environment" on page 150.
Ê After installing or replacing a Modular RAID controller, update the firmware
as described in section "Updating RAID controller firmware" on page 137.
Ê "Enabling SVOM boot watchdog functionality" on page 146
Ê If BitLocker functionality is used and has been disabled before starting the
maintenance task: "Resuming BitLocker functionality" on page 152
Ê If applicable, restore LAN teaming configurations as described in section
"After replacing / upgrading LAN controllers" on page 157.
9.6 Backup Units
9.6.1 Basic information
The Battery Backup Unit (BBU) or Flash Backup Unit (FBU) backs up the
memory contents of the connected SAS RAID controller in the event of a power
failure. The PRIMERGY TX300 S8 / RX350 S8 server can accommodate up to
three backup units.
Figure 327: BBU mounting positions and sequence