不重啟系統下變更 bonding mode

RedHat 5/6

1. Find current bonding mode:

# cat /sys/class/net/bond0/bonding/mode
balance-rr   0

2. Change the bonding mode:

# ifdown bond0

# echo 1 > /sys/class/net/bond0/bonding/mode

# cat /sys/class/net/bond0/bonding/mode
active-backup 1

3. Up the bond0 again:

# ifup bond0

4. Check if the bonding mode has been changed:

# cat /proc/net/bonding/bond0

RedHat 4