Replacing the System Backplane Assembly
5-20
Stratus ftServer 2600, 4500, and 6300 Systems: Operation and Maintenance Guide
(R639)
Because you remove both enclosures from operation to
replace a system backplane assembly, you must
schedule downtime to shut down the system.
See the following topics:
• “Removing the System Backplane Assembly” on page 5-20
• “Replacing the System Backplane Assembly” on page 5-22
On Linux systems, examine the network configuration files before you bring down the
system to replace the backplane.
1. Examine each embedded Ethernet PCI adapter’s network configuration file and
delete the entry MACADDR=xx:xx:xx:xx:xx:xx (where xx represents
hexadecimal address digits) if it is present. The network configuration files are
found in /etc/sysconfig/network-scripts. See your system administration
documentation for the names of the embedded Ethernet PCI network configuration
files, which reflect the device names.
2. If an embedded Ethernet PCI adapter’s network configuration file contains the
keyword MASTER=bondname, examine the network configuration file for the
bondname adapter for the entry MACADDR. Delete the line containing the MACADDR
entry in the ifcfg-bondname file.
Estimated time: Fifteen minutes
Tools needed: None
Use ESD precautions when performing this procedure.
Removing the System Backplane Assembly
1. Shut down the system.
2. Remove the bezel.
3. Release, but do not remove, each CPU- I ⁄ O enclosure from the system chassis,
as follows:
a. Be sure that the data cables attached to the rear of the enclosure (number 2 in
Figure 5-3) have at least 4 inches (10 cm) of slack (
service loop
) so you can
move each CPU-I/O enclosure out by that amount.
If, for some reason, there is inadequate slack in the data cables, disconnect
the cables, being sure to label each one in order to reinstall each later in its
proper place.
b. Disconnect the power cord (number 1 in Figure 5-3).
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