On 12/08/2010 08:36 AM, Ryan Steele wrote:
> Hey,
>
> Just noticed a problem with Corosync 1.2.0-0ubuntu1, using a two-node cluster
> configuring with redundant rings, that I
> found when testing my STONITH devices. When an interface on either one of
> the rings fails and is marked faulty, the
> interface for that same ring on the other node is also marked faulty
> immediately. This means that if any interface
> fails, the entire associated ring fails. I mentioned it in IRC, and it was
> believed to be a bug. Here is my corosync.conf:
>
That is how it is supposed to work. Any interface that is faulty within
one ring will mark the entire ring faulty. To reenable the ring, run
corosync-cfgtool -r (once the faulty network condition has been repaired).
Regards
-steve
> ######### begin corosync.conf
> compatibility: whitetank
>
> totem {
> version: 2
> secauth: off
> threads: 0
> rrp_mode: passive
> consensus: 1201
>
> interface {
> ringnumber: 0
> bindnetaddr: 192.168.192.0
> mcastaddr: 227.94.1.1
> mcastport: 5405
> }
>
> interface {
> ringnumber: 1
> bindnetaddr: 10.1.0.0
> mcastaddr: 227.94.1.2
> mcastport: 5405
> }
> }
>
> logging {
> fileline: off
> to_stderr: yes
> to_syslog: yes
> syslog_facility: daemon
> debug: off
> timestamp: on
> logger_subsys {
> subsys: AMF
> debug: off
> }
> }
>
> aisexec {
> user: root
> group: root
> }
>
> service {
> name: pacemaker
> ver: 0
> }
> ######### end corosync.conf
>
> Please let me know if you need anything else to help diagnose this problem.
> Also, I found a typo in the error message
> that appears in the logs ("adminisrtative" instead of "administrative"):
>
> corosync[3419]: [TOTEM ] Marking seqid 66284 ringid 1 interface 10.1.1.168
> FAULTY - adminisrtative intervention required.
>
> A "corosync-cfgtool -r" fixes the issue once the link is healthy again, but
> it's definitely not optimal to have one
> interface failure bring down the entire ring. Again, let me know if there's
> anything else I can do to assist. Thanks,
> and keep up the hard work!
>
>
> -Ryan
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