Nic Link Down에 관하여...
이용중인 서버에서 nic이 다운되는 현상이 발생 하였습니다.
무슨 이유로 다운 되었었는지 알 수 있을까요?
로그를 올려 봅니다.
Feb 12 11:47:29 sat01 kernel: igb 0000:01:00.0: NIC Link is Up 1000 Mbps Full Duplex, Flow
Control: RX
Feb 12 11:47:29 sat01 kernel: bonding: bond1: link status definitely up for interface eth5
.
Feb 12 11:48:17 sat01 snmpd[3161]: looks like a 64bit wrap, but prev!=new
Feb 12 11:48:34 sat01 kernel: igb 0000:01:00.1: NIC Link is Up 1000 Mbps Full Duplex, Flow
Control: RX
Feb 12 11:48:34 sat01 kernel: bonding: bond2: link status definitely up for interface eth6
.
Feb 12 11:48:53 sat01 kernel: igb 0000:01:00.1: NIC Link is Down
Feb 12 11:48:53 sat01 kernel: bonding: bond2: link status definitely down for interface et
h6, disabling it
Feb 12 11:49:08 sat01 kernel: igb 0000:01:00.1: NIC Link is Up 1000 Mbps Full Duplex, Flow
Control: RX
Feb 12 11:49:08 sat01 kernel: bonding: bond2: link status definitely up for interface eth6
.
Feb 12 11:58:25 sat01 kernel: bonding: bond0: Removing slave eth0
Feb 12 11:58:25 sat01 kernel: bonding: bond0: Warning: the permanent HWaddr of eth0 - 00:1
5:17:C4:8E:E8 - is still in use by bond0. Set the HWaddr of eth0 to a different address to
avoid conflicts.
Feb 12 11:58:25 sat01 kernel: bonding: bond0: releasing active interface eth0
Feb 12 11:58:26 sat01 kernel: eth0: changing MTU from 1500 to 1500
Feb 12 11:58:26 sat01 kernel: bonding: bond0: Removing slave eth4
Feb 12 11:58:26 sat01 kernel: bonding: bond0: releasing backup interface eth4
Feb 12 11:58:26 sat01 kernel: eth4: changing MTU from 1500 to 1500
Feb 12 11:58:26 sat01 kernel: bonding: bond1: Removing slave eth1
Feb 12 11:58:26 sat01 kernel: bonding: bond1: Warning: the permanent HWaddr of eth1 - 00:1
5:17:C4:8E:E9 - is still in use by bond1. Set the HWaddr of eth1 to a different address to
avoid conflicts.
Feb 12 11:58:26 sat01 kernel: bonding: bond1: releasing active interface eth1
Feb 12 11:58:26 sat01 kernel: bonding: bond1: making interface eth5 the new active one.
Feb 12 11:58:26 sat01 kernel: eth1: changing MTU from 1500 to 1500
Feb 12 11:58:26 sat01 kernel: bonding: bond1: Removing slave eth5
Feb 12 11:58:26 sat01 kernel: bonding: bond1: releasing active interface eth5
Feb 12 11:58:27 sat01 kernel: igb 0000:01:00.0: changing MTU from 1500 to 1500
Feb 12 11:58:27 sat01 kernel: bonding: bond2: Removing slave eth2
Feb 12 11:58:27 sat01 kernel: bonding: bond2: Warning: the permanent HWaddr of eth2 - 00:1
5:17:C4:8E:EA - is still in use by bond2. Set the HWaddr of eth2 to a different address to
avoid conflicts.
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