Sure, in logs I see "adding new UDPU member {IP_ADDRESS}" (so DNS names are definitely resolved), but in practice the cluster does not work, as I said above. So validations of ringX_addr in corosync.conf would be very helpful in corosync.
On Fri, Jan 2, 2015 at 2:49 PM, Jan Friesse <jfrie...@redhat.com> wrote: > Dmitry, > > > No, I meant that if you pass a domain name in ring0_addr, there are no >> errors in logs, corosync even seems to find nodes (based on its logs), And >> crm_node -l shows them, but in practice nothing really works. A verbose >> error message would be very helpful in such case. >> > > This sounds weird. Are you sure that DNS names really maps to correct IP > address? In logs there should be something like "adding new UDPU member > {IP_ADDRESS}". > > Regards, > Honza > > >> On Tuesday, December 30, 2014, Daniel Dehennin < >> daniel.dehen...@baby-gnu.org> >> wrote: >> >> Dmitry Koterov <dmitry.kote...@gmail.com <javascript:;>> writes: >>> >>> Oh, seems I've found the solution! At least two mistakes was in my >>>> corosync.conf (BTW logs did not say about any errors, so my conclusion >>>> is >>>> based on my experiments only). >>>> >>>> 1. nodelist.node MUST contain only IP addresses. No hostnames! They >>>> >>> simply >>> >>>> do not work, "crm status" shows no nodes. And no warnings are in logs >>>> regarding this. >>>> >>> >>> You can add name like this: >>> >>> nodelist { >>> node { >>> ring0_addr: <public-ip-address-of-the-first-machine> >>> name: node1 >>> } >>> node { >>> ring0_addr: <public-ip-address-of-the-second-machine> >>> name: node2 >>> } >>> } >>> >>> I used it on Ubuntu Trusty with udpu. >>> >>> Regards. >>> >>> -- >>> Daniel Dehennin >>> Récupérer ma clef GPG: gpg --recv-keys 0xCC1E9E5B7A6FE2DF >>> Fingerprint: 3E69 014E 5C23 50E8 9ED6 2AAD CC1E 9E5B 7A6F E2DF >>> >>> >> >> >> _______________________________________________ >> Pacemaker mailing list: Pacemaker@oss.clusterlabs.org >> http://oss.clusterlabs.org/mailman/listinfo/pacemaker >> >> Project Home: http://www.clusterlabs.org >> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf >> Bugs: http://bugs.clusterlabs.org >> >> > > _______________________________________________ > Pacemaker mailing list: Pacemaker@oss.clusterlabs.org > http://oss.clusterlabs.org/mailman/listinfo/pacemaker > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: http://bugs.clusterlabs.org >
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