[Pacemaker] Node crash when 'ifdown eth0'
Oscar Remírez de Ganuza Satrústegui
oscarrdg at unav.es
Thu Dec 10 07:57:31 UTC 2009
Hi,
Just an update on my experience:
After upgrading to newer versions the problem no longer exists:
pacemaker 1.0.6, corosync 1.1.2, openais 1.1.0 (as found on
http://www.clusterlabs.org/rpm/epel-5/x86_64/)
No process crashes when I put down the interface (ifdown eth0), and
everything goes back to normal when I put it up again (ifup eth0)
Lars Marowsky-Bree escribió:
> On 2009-11-30T20:59:13, Steven Dake <sdake at redhat.com> wrote:
>
>
>> ifconfig eth0 down is a totally different then testing if there is a
>> node disconnection. When corosync detects eth0 being taken down, it
>> binds to the interface 127.0.0.1. This is probably not what you had in
>> mind when you wanted to test split brain. Keep in mind an interface
>> taken out of service is different then an interface failing from a posix
>> api perspective.
>>
>
> It'd still be nice if it didn't just crash, but if there was some way to
> recover from it at run-time. Think "hotplug network cards (in a telco
> environment)".
>
>
> Regards,
> Lars
>
>
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