Re: [Openqrm-user] Bonded Interfaces

[Matt R. <m.r...@t-...>]

Best Todd, thanks for the patches. Cool stuff

cheers,

Matt

Todd E Johnson wrote:
> On Tue, 2009-07-14 at 13:14 +0200, Matt Rechenburg wrote:
>   
>> Hi Todd,
>>
>> Todd E Johnson wrote:
>>     
>>> I have created a custom kernel with a custom linuxrc that creates bond0
>>> instead of eth0:oq.  I then create the hardlink for ifenslave to busybox
>>> and call it.  It is not supported by busybox.  
>>>
>>> Is there anything special about this version of busybox?  The 1.14.2
>>> that is current stable has ifenslave support.  Can I just compile it and
>>> copy over busybox to the initrd.img?
>>>   
>>>       
>> yep
>>
>> I just updated
>> ..
>> OPENQRM_SOURCE_VERSION="1.14.2"
>> ..
>> in ../src/etc/build.conf/busysbox  :)
>>
>> -> commited to the svn
>>
>> I would be very interested in your changes according to the interface 
>> bonding.
>> Would you please post them here if they are working for you ?
>>
>> many thanks + all the best,
>>
>> Matt
>>
>>     
>
> Because this is for a xen dom0 that iscsi boots I can't change the
> network after it switches to iscsi.  So below is the patch that creates
> a bridge on the bond.  It has to wait until the kernel modules are
> loaded so it has access to the bonding kernel module.  
>
> [root@disk1 templates]# diff openqrm-linuxrc
> openqrm-linuxrc-bonding-bridge 
> 234c234
> < echo "Bringing up $OPENQRM_RESOURCE_MANAGED_INTERFACE:oq"
> ---
>   
>> echo "Bringing up bond0"
>>     
> 242,244c242,251
> < ifconfig $OPENQRM_RESOURCE_MANAGED_INTERFACE down
> < ifconfig $OPENQRM_RESOURCE_MANAGED_INTERFACE up
> < ifconfig $OPENQRM_RESOURCE_MANAGED_INTERFACE:oq
> $OPENQRM_RESOURCE_IP_ADDRESS netmask $OPENQRM_RESOURCE_SUBNETMASK
> broadcast $OPENQRM_RESOURCE_BROADCAST up
> ---
>   
>> modprobe bonding mode=1 miimon=100
>> ifconfig bond0 down
>> ifconfig bond0 up
>> ifconfig bond0 hw ether $OPENQRM_RESOURCE_MAC_ADDRESS
>> ifconfig bond0 $OPENQRM_RESOURCE_IP_ADDRESS netmask
>>     
> $OPENQRM_RESOURCE_SUBNETMASK broadcast $OPENQRM_RESOURCE_BROADCAST up
>   
>> ln -s /bin/busybox /bin/ifenslave
>> ifenslave bond0 eth0
>> ifenslave bond0 eth1
>>
>>     
> 273a281,290
>   
>> echo "Configuring brbond0"
>> ifconfig bond0 0.0.0.0
>> brctl addbr brbond0
>> brctl addif brbond0 bond0
>> ifconfig brbond0 $OPENQRM_RESOURCE_IP_ADDRESS netmask
>>     
> $OPENQRM_RESOURCE_SUBNETMASK broadcast $OPENQRM_RESOURCE_BROADCAST up
>   
>> # force a small delay for the networkcard to initialyze
>> ping -c 5 -q $OPENQRM_SERVER_IP_ADDRESS > /dev/null
>>
>>
>>     
>
>
>   
>>> OT:Is there a IRC channel for openqrm?  I read about the Jabber server
>>> in the archives has that been decommissioned? 
>>>
>>> On Fri, 2009-07-10 at 03:06 -0500, Todd E Johnson wrote:
>>>   
>>>       
>>>> I'm trying to boot a appliance and I want it to use bonded interfaces
>>>> for redundancy.  I use CentOS and tried to use ifcfg-bond0, but I can't
>>>> use dhcp or script it to use the kernel arguments without loosing the
>>>> iscsi file system and crashing.  
>>>>
>>>> I also hope to put vlans on bond0 and bridges on the vlan interfaces to
>>>> allow xen domUs access to other networks.  I know how to do this
>>>> normally, but I'm somewhat confused with the OpenQRM way of configuring
>>>> xen and network boot xen dom0s.  
>>>>
>>>> Has anyone solved this problem in the past or have suggestions?  
>>>>
>>>>
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>>>>     
>>>>         
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>>>   
>>>       
>>     
>
>
> ------------------------------------------------------------------------------
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> vendors submitting new applications to BlackBerry App World(TM) will have
> the opportunity to enter the BlackBerry Developer Challenge. See full prize  
> details at: http://p.sf.net/sfu/Challenge
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