[openib-general] problems using the ipoib ha package of RH4 U3

Vladimir Sokolovsky vlad at mellanox.co.il
Tue Oct 24 02:09:29 PDT 2006


The HA service (ipoib_ha.pl) is looking for "NO-CARRIER" in the "ip"
utility output.
Ipoib_ha.pl use an updated "ip" utility which is a part of ipoibtools
RPM and located under 'prefix'/utils directory.

The fail-over flow is the following:

On every event received from 'ip monitor link' check if the primary
IPoIB interface has NO-CARRIER using 'ip link show' command.
If "yes" then check the status of the secondary interface using the same
command. And if the secondary interface has no NO-CARRIER 
then migrate IPoIB configuration from primary to the secondary
interface.

Regards,
Vladimir
 

> -----Original Message-----
> From: Or Gerlitz [mailto:ogerlitz at voltaire.com] 
> Sent: Tuesday, October 24, 2006 10:53 AM
> To: Vladimir Sokolovsky
> Cc: openib-general at openib.org
> Subject: Re: problems using the ipoib ha package of RH4 U3
> 
> Vladimir Sokolovsky wrote:
> > Try to disconnect the port 1 of HCA from IB subnet and then 
> check if 
> > ib1 became active.
> 
> OK, i will be able to do it later today, anyway, something bothers me
> here: the script is based on parsing the output of
> 
> $ /sbin/ip monitor link
> 
> and this output should be the same for both the cases (ie 
> unplug the ib cable or make the port state down) since it is 
> in the **ip** and not
> **ib** level.
> 
> Or.
> 




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