[openib-general] [openfabrics-ewg] Problems with OFED IPoIB HA on SLES10

[Vladimir Sokolovsky]

Hi Scott,
You have an old version of ipoibtools package (ipoib_ha.pl).
All issues you are talking about were fixed in the new version which
will be available in OFED-1.1-rc7.
You can also download it from SVN:
https://openib.org/svn/gen2/branches/1.1/src/userspace/ipoibtools

Thanks,

Regards,
Vladimir

On Tue, 2006-10-03 at 14:53 -0700, Scott Weitzenkamp (sweitzen) wrote:

> Vlad, thaks for the fast response.  I have some followup questions
> about configuring IPoIB HA, see below.
> 
> 
>                 3) I got IPoIB HA working on SLES 10, but the
> documentation is a little lacking.   Looks like I have to put the same
> IP address in ifcfg-ib0 and ifcfg-ib1, is this correct?
>                
> 
>         Yes, IP address should be the same. Actually the configuration
> of the secondary interface does not matter.
>         The High Availability daemon reads the configuration of the
> primary interface and migrates it between the interfaces in case of
> failure.
>        
>        
> If I don't have an ifcfg-ib1 file, then ipoib_ha.pl won't start.
> 
> If I don't have an ifcfg-ib1, then ipoib_ha.pl won't start.  I would
> prefer to not configure ifcfg-ib1 since I don't plan to use it.
> 
> # ipoib_ha.pl --with-arping --with-multicast -v
> Can't open conf /etc/sysconfig/network/ifcfg-ib1: No such file or
> directory
> Can't open conf /etc/sysconfig/network/ifcfg-ib1: No such file or
> directory
> Can't open conf /etc/sysconfig/network/ifcfg-ib1: No such file or
> directory
> Can't open conf /etc/sysconfig/network/ifcfg-ib1: No such file or
> directory
> Can't open conf /etc/sysconfig/network/ifcfg-ib1: No such file or
> directory
> ...
> 
> If I put different IP addresses in ifcfg-ib0 and ifcfg-ib1, then the
> ifcfg-ib1 IP address is used for both ib0 and ib1!
> 
> # pwd
> /etc/sysconfig/network
> # cat ifcfg-ib0
> DEVICE=ib0
> BOOTPROTO=static
> IPADDR=192.168.2.46
> NETMASK=255.255.255.0
> ONBOOT=yes
> # cat ifcfg-ib1
> DEVICE=ib1
> BOOTPROTO=static
> IPADDR=192.168.6.46
> NETMASK=255.255.255.0
> ONBOOT=yes
> # /etc/init.d/openibd start
> Loading HCA driver and Access Layer:                       [  OK  ]
> Setting up InfiniBand network interfaces:
>     ib0       device: Mellanox Technologies MT25208 InfiniHost III Ex
> (Tavor com
> patibility mode) (rev 20)
>     ib0       configuration: ib1
> Bringing up interface ib0:                                 [  OK  ]
>     ib1       device: Mellanox Technologies MT25208 InfiniHost III Ex
> (Tavor com
> patibility mode) (rev 20)
> Bringing up interface ib1:                                 [  OK  ]
> Setting up service network . . .                           [  done  ]
> # ifconfig ib0
> ib0       Link encap:UNSPEC  HWaddr
> 00-00-04-04-FE-80-00-00-00-00-00-00-00-00-00
> -00
>           inet addr:192.168.6.46  Bcast:192.168.6.255
> Mask:255.255.255.0
>           inet6 addr: fe80::202:c902:21:700d/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:2044  Metric:1
>           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:3 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:128
>           RX bytes:0 (0.0 b)  TX bytes:224 (224.0 b)
> 
> # ifconfig ib1
> ib1       Link encap:UNSPEC  HWaddr
> 00-00-04-05-FE-80-00-00-00-00-00-00-00-00-00
> -00
>           inet addr:192.168.6.46  Bcast:192.168.6.255
> Mask:255.255.255.0
>           inet6 addr: fe80::202:c902:21:700e/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:2044  Metric:1
>           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:4 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:128
>           RX bytes:0 (0.0 b)  TX bytes:304 (304.0 b)
> 
> Notice how both ib0 and ib1 have the IP address from ifcfg-ib1.  This
> contradicts this info from ipoib_release_notes.txt:
> 
> 
>            b.   The ib1 interface uses the configuration script of
>         ib0.
>         
>         
> 
> 
> Scott
> 


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