CentOS - Mar 2016 - Network bond - one port goes down from time to time

Am 28.03.16 um 12:12 schrieb Leon Fauster:
> Am 28.03.2016 um 11:27 schrieb G?tz Reinicke <goetz.reinicke at
filmakademie.de>:
>> We have three supermicron servers with two 10Gb Ports each, connected
to a cisco switch stack 1Gb ports. All are on auto speed.
>>
>> I configured a LACP bond on both sides on all servers, first with
citrix xen server.
>>
>> On one server eth0 goes down from time to time ? maybe within minutes,
someday it is up for some hours.
>>
>> Two server are fine; the bond is up for 24 days(!) now without any
problem.
>>
>> Recently I installed centos 7.2 on that server in question and - bam -
eth0 is going down from time to time ?
>>
>> I checked patch cables, tried an other switch port channel,
reconfigured the ports, reinstalled the os. Same behavior.
>>
>> And: We got a replacement server. Same behavior ?. :)
>>
>> Currently the cisco tech guys don?t see a problem on the switch (which
is up for 3 Years now with 10+ servers connected ? no problem so far), from the
citrix side I don?t get much more hints.
>>
>> In the logs i just have a Nic Link is Down ? Nic Link is Up. It is
always eth0.
>>
>> Question:
>>
>> Any idea ? One suggestion was Disable all power saving features in the
server bios. Did not do that yet.
>>
>> Is there any chance to set some sort of higher debug level for that
nic/kernel/whatever to get some server os side feedback why the port goes down?
> 
> 
> How is your interface exactly configured ? 

TYPE=Bond   #Interface type set to bond
BOOTPROTO=static
BONDING_MASTER=yes
BONDING_OPTS="mode=4"  #i set mode to active-backup
DEFROUTE=yes
IPADDR="192.168.xxx.xxx"
NETMASK=255.255.255.0
GATEWAY="192.168.xxx.xxx"
IPV4_FAILURE_FATAL=no
IPV6INIT=no
NAME=bond0
DEVICE=bond0
ONBOOT=yes


TYPE="Ethernet"
MASTER=bond0
SLAVE=yes
NAME="enp4s0f0"
UUID="xxx"
DEVICE="enp4s0f0"
ONBOOT="yes"

TYPE="Ethernet"
MASTER=bond0
SLAVE=yes
NAME="enp4s0f0"
UUID="xxx"
DEVICE="enp4s0f1"
ONBOOT="yes"


	/G?tz

On 3/28/2016 11:44 PM, G?tz Reinicke - IT Koordinator
wrote:
>> How is your interface exactly configured ?
> TYPE=Bond   #Interface type set to bond
> BOOTPROTO=static
> BONDING_MASTER=yes
> BONDING_OPTS="mode=4"  #i set mode to active-backup
> DEFROUTE=yes
> IPADDR="192.168.xxx.xxx"
> NETMASK=255.255.255.0
> GATEWAY="192.168.xxx.xxx"
> IPV4_FAILURE_FATAL=no
> IPV6INIT=no
> NAME=bond0
> DEVICE=bond0
> ONBOOT=yes
>
>
> TYPE="Ethernet"
> MASTER=bond0
> SLAVE=yes
> NAME="enp4s0f0"
> UUID="xxx"
> DEVICE="enp4s0f0"
> ONBOOT="yes"
>
> TYPE="Ethernet"
> MASTER=bond0
> SLAVE=yes
> NAME="enp4s0f0"
> UUID="xxx"
> DEVICE="enp4s0f1"
> ONBOOT="yes"
should both those 'ethernet' devices have the same NAME ?


-- 
john r pierce, recycling bits in santa cruz

Am 29.03.16 um 11:12 schrieb John R Pierce:
> On 3/28/2016 11:44 PM, G?tz Reinicke - IT Koordinator wrote:
>>> How is your interface exactly configured ?
>> TYPE=Bond   #Interface type set to bond
>> BOOTPROTO=static
>> BONDING_MASTER=yes
>> BONDING_OPTS="mode=4"  #i set mode to active-backup
>> DEFROUTE=yes
>> IPADDR="192.168.xxx.xxx"
>> NETMASK=255.255.255.0
>> GATEWAY="192.168.xxx.xxx"
>> IPV4_FAILURE_FATAL=no
>> IPV6INIT=no
>> NAME=bond0
>> DEVICE=bond0
>> ONBOOT=yes
>>
>>
>> TYPE="Ethernet"
>> MASTER=bond0
>> SLAVE=yes
>> NAME="enp4s0f0"
>> UUID="xxx"
>> DEVICE="enp4s0f0"
>> ONBOOT="yes"
>>
>> TYPE="Ethernet"
>> MASTER=bond0
>> SLAVE=yes
>> NAME="enp4s0f0"
>> UUID="xxx"
>> DEVICE="enp4s0f1"
>> ONBOOT="yes"
> 
> should both those 'ethernet' devices have the same NAME ?
> 
> 
Copy and Past error, they dont have the same name.

	/G?tz