The o2cb cluster stack currently only allows adding new nodes dynamically. All other ops, modify/del, require the cluster to be down.
Vanaclocha Llorens, Jose Lorenzo wrote: > I'm sorry Sunil, but does it work only for add nodes? > > When we try to remove we get: > > ------------------------------------------------------------ > [EMAIL PROTECTED] ~]# o2cb_ctl -D -n raclab3 -u > > o2cb_ctl: Not yet supported > > ------------------------------------------------------------ > > Best regards, > > Llorenç Vanaclocha > > > -----Mensaje original----- > De: Sunil Mushran [mailto:[EMAIL PROTECTED] > Enviado el: lunes, 13 de marzo de 2006 19:20 > Para: Vanaclocha Llorens, Jose Lorenzo > CC: ocfs2-users@oss.oracle.com > Asunto: Re: [Ocfs2-users] Add a new node to ocfs cluster > > o2cb_ctl -C -n <hostname> -t node -a cluster=<clustername> -a > ip_address=<ip> -a ip_port=<port> -a number=<nodenum> -i > > For e.g. > # o2cb_ctl -C -n node99 -t node -a cluster=clus5 -a > ip_address=192.168.0.99 -a ip_port=7777 -a number=99 -i > > Refer "man o2cb_ctl" for more details. > > Vanaclocha Llorens, Jose Lorenzo wrote: > >> Many thanks for your help Sunil. One more question my final intention is to >> do it in a silent mode. Can the ocfs2console step be replaced with a >> sequence of commands? >> >> I mean, my final goal is add a node to an existing Oracle RAC automatically. >> Do you think that it is possible from the ocfs perspective? >> >> Best regards, >> >> >> Llorenç Vanaclocha >> >> >> -----Mensaje original----- >> De: Sunil Mushran [mailto:[EMAIL PROTECTED] >> Enviado el: sábado, 11 de marzo de 2006 0:29 >> Para: Vanaclocha Llorens, Jose Lorenzo >> CC: ocfs2-users@oss.oracle.com >> Asunto: Re: [Ocfs2-users] Add a new node to ocfs cluster >> >> One can add nodes dynamically. Run ocfs2console on >> all existing nodes to add the new node. Note adding on >> one and propagating to others will not work. One needs >> to add on each active node via ocfs2console. >> >> Once added, the new node should show up in >> /config/cluster/<clustername>/nodes. Ensure you see the >> new node on all active nodes. >> >> Then copy the updated cluster.conf to the new node and >> start the cluster and mount. >> >> Vanaclocha Llorens, Jose Lorenzo wrote: >> >> >>> Hi everybody, >>> >>> My problem is that I want to add a new node to an existing RAC with >>> ocfs2, without stop the database. >>> >>> If I add a new node to an existing ocfs cluster, do I need to stop the >>> ocfs in the others nodes of the cluster? >>> >>> I've tried to do it without stop the ocfs in the others nodes but I >>> get the following error: >>> >>> ------------------------------------------------------------------------------------------------------------------------------------------------------------------ >>> >>> [EMAIL PROTECTED] ~]# mount.ocfs2 /dev/mapper/eva_d1 /u01/app/oracle >>> >>> mount.ocfs2: Transport endpoint is not connected while mounting >>> /dev/mapper/eva_d1 on /u01/app/oracle >>> >>> ------------------------------------------------------------------------------------------------------------------------------------------------------------------ >>> >>> I've three nodes: raclab3, raclab4 and raclab5. I'm trying to add >>> raclab3 to the existing cluster formed by raclab4 and raclab5. >>> >>> In the raclab3 I have the following folder: >>> >>> ------------------------------------------------------------------------------------------------------------------------------------------------------------------ >>> >>> [EMAIL PROTECTED] ~]# ls -l /config/cluster/ocfs2/node/ >>> >>> total 0 >>> >>> drwxr-xr-x 2 root root 0 Mar 10 11:53 raclab3 >>> >>> drwxr-xr-x 2 root root 0 Mar 10 11:47 raclab4 >>> >>> drwxr-xr-x 2 root root 0 Mar 10 11:47 raclab5 >>> >>> ------------------------------------------------------------------------------------------------------------------------------------------------------------------ >>> >>> But in the raclab4 and raclab5 I have: >>> >>> ------------------------------------------------------------------------------------------------------------------------------------------------------------------ >>> >>> [EMAIL PROTECTED] ~]# ls -l /config/cluster/ocfs2/node/ >>> >>> total 0 >>> >>> drwxr-xr-x 2 root root 0 Mar 10 12:47 raclab4 >>> >>> drwxr-xr-x 2 root root 0 Mar 10 12:47 raclab5 >>> >>> ------------------------------------------------------------------------------------------------------------------------------------------------------------------ >>> >>> If I execute in both nodes: >>> >>> ------------------------------------------------------------------------------------------------------------------------------------------------------------------ >>> >>> [EMAIL PROTECTED] ~]# /etc/init.d/o2cb disable >>> >>> Writing O2CB configuration: OK >>> >>> [EMAIL PROTECTED] ~]# /etc/init.d/o2cb enable >>> >>> Writing O2CB configuration: OK >>> >>> Loading module "configfs": OK >>> >>> Mounting configfs filesystem at /config: OK >>> >>> Loading module "ocfs2_nodemanager": OK >>> >>> Loading module "ocfs2_dlm": OK >>> >>> Loading module "ocfs2_dlmfs": OK >>> >>> Mounting ocfs2_dlmfs filesystem at /dlm: OK >>> >>> Starting cluster ocfs2: OK >>> >>> ------------------------------------------------------------------------------------------------------------------------------------------------------------------ >>> >>> I get information of raclab3: >>> >>> ------------------------------------------------------------------------------------------------------------------------------------------------------------------ >>> >>> [EMAIL PROTECTED] ~]# ls -l /config/cluster/ocfs2/node/ >>> >>> total 0 >>> >>> drwxr-xr-x 2 root root 0 Mar 10 12:51 raclab3 >>> >>> drwxr-xr-x 2 root root 0 Mar 10 12:51 raclab4 >>> >>> drwxr-xr-x 2 root root 0 Mar 10 12:51 raclab5 >>> >>> ------------------------------------------------------------------------------------------------------------------------------------------------------------------ >>> >>> And finally I can mount my file system in the raclab3 node. >>> >>> Summarizing, is it possible to add a new node without stop the ocfs in >>> all the cluster nodes? >>> >>> Any help or comment will be welcome. >>> >>> Best regards, >>> >>> Llorenç >>> >>> ------------------------------------------------------------------------ >>> >>> _______________________________________________ >>> Ocfs2-users mailing list >>> Ocfs2-users@oss.oracle.com >>> http://oss.oracle.com/mailman/listinfo/ocfs2-users >>> >>> >>> > > _______________________________________________ > Ocfs2-users mailing list > Ocfs2-users@oss.oracle.com > http://oss.oracle.com/mailman/listinfo/ocfs2-users > _______________________________________________ Ocfs2-users mailing list Ocfs2-users@oss.oracle.com http://oss.oracle.com/mailman/listinfo/ocfs2-users
