Hi, On Thu, Sep 6, 2012 at 1:58 PM, Dan Frincu <df.clus...@gmail.com> wrote: > Hi, > > On Thu, Sep 6, 2012 at 1:35 PM, Thorsten Rehm <thorsten.r...@gmail.com> wrote: >> Hi everyone, >> >> nobody has an idea? >> Have I missed something in the documentation? > > Put the cluster in maintenance-mode. > Stop Pacemaker, stop Corosync. > Change the hostname. > Check if the change actually worked. > Start Corosync, start Pacemaker. > Perform a reprobe and refresh from crm. Remove maintenance-mode. > Delete old node names from cluster configuration (crm node delete > $old-hostname).
My bad, you're running on Heartbeat. > > Dance. > > HTH, > Dan > >> >> Regards, >> Thorsten >> >> >> On Tue, Sep 4, 2012 at 10:55 AM, Thorsten Rehm <thorsten.r...@gmail.com> >> wrote: >>> Hi, >>> >>> ohh, thanks, but I have heartbeat in use. >>> "Legacy cluster stack based on heartbeat" >>> http://www.clusterlabs.org/wiki/File:Stack-lha.png >>> >>> So, there is no corosync.conf ;) >>> >>> Regards, >>> Thorsten >>> >>> On Tue, Sep 4, 2012 at 10:38 AM, Vit Pelcak <vpel...@suse.cz> wrote: >>>> -----BEGIN PGP SIGNED MESSAGE----- >>>> Hash: SHA1 >>>> >>>> Dne 4.9.2012 10:28, Thorsten Rehm napsal(a): >>>>> Hi everyone, >>>>> >>>>> I have a cluster with three nodes (stack: heartbeat) and I need to >>>>> change the hostname of all systems (only the hostname, not the ip >>>>> address or other network configuration). I have already made >>>>> several attempts, but so far I have not managed that resources are >>>>> available without interruption, after I changed the hostname. Is >>>>> there a procedure that allows me to change the hostname, without >>>>> loss of resources? If so, how would this look like? Is there a best >>>>> case? >>>> >>>> >>>> Hm. What about modifying corosync.conf to reflect hostname change on >>>> all nodes, restarting corosync on all one after another (so you always >>>> have at least 2 nodes running corosync and resources) and then >>>> changing that hostname on desired machine and restarting corosync on it? >>>> >>>> In general, do not stop corosync on more than 1 node at the time and >>>> you should be safe. >>>> >>>>> Cheers, Thorsten >>>>> >>>>> _______________________________________________ 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 >>>> >>>> -----BEGIN PGP SIGNATURE----- >>>> Version: GnuPG v2.0.19 (GNU/Linux) >>>> Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ >>>> >>>> iQEcBAEBAgAGBQJQRb4AAAoJEG+ytY6bjOob0AUH+gKl8OXHnGUUkXe4rFNc1qqr >>>> W1hkafkjDOl2k475kiXiJ9CbgvP4mJSZJ+naMvyh53BJDuWiZH4i3kl1KZVSCvQ6 >>>> DNrZhHG90BmTLXiE6tCeVWP6K5tKamvLCRGBehiu83lW2kdH0X3uF9KqZlPnBFhy >>>> AeEYvCsJKfM+u7WndNDFeQVdV//FQaHAB8JZBkgSyHmlvN+bnjUzRTOE1qLyv3/b >>>> nPYVBOYCJgBjmENRRMoP1xWZgAAMeRCzRrpXo2ZSJ8945E/pmc1+9fPDJCqBXqvr >>>> CFzI7iZcyidfpKq6h1S9dlDDMdRidj9P8kfEokThtHXpy45/LhdzYrMg6LmvuIc= >>>> =tZ+G >>>> -----END PGP SIGNATURE----- >>>> >>>> _______________________________________________ >>>> 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 >>> >>> >>> >>> -- >>> Mit freundlichen Gruessen / Kind regards >>> Thorsten Rehm >> >> >> >> -- >> Mit freundlichen Gruessen / Kind regards >> Thorsten Rehm >> >> _______________________________________________ >> 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 > > > > -- > Dan Frincu > CCNA, RHCE -- Dan Frincu CCNA, RHCE _______________________________________________ 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
