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Full Discussion: Linux Cluster failover issue
Operating Systems Linux Red Hat Linux Cluster failover issue Post 302896095 by munna529 on Friday 4th of April 2014 10:59:42 AM
Old 04-04-2014
Thanks for the information. i worked on windows cluster as we are doing some array based migrations using mpxtool(block level) copy. Now we are working on linux hosts and usually it is an offline migration.
I see some hosts are possible clusters so i want to determine which hosts are cluster ? We have suse systems so i figured out on one server it shows this output does that mean is this a cluster ?

Code:
     #-> find / -name hacluster /var/lib/heartbeat/cores/hacluster

[root@itsusral00019:/]#
Code:
     #-> find / -name cluster
 /lib/modules/2.6.16.60-0.97.1-smp/kernel/fs/ocfs2/cluster
 /lib/modules/2.6.16.60-0.101.1-smp/kernel/fs/ocfs2/cluster
 /lib/modules/2.6.16.60-0.97.1-kdump/kernel/fs/ocfs2/cluster
 /lib/modules/2.6.16.60-0.101.1-kdump/kernel/fs/ocfs2/cluster
 /opt/VRTSpbx/bin/cluster
 /usr/src/linux-2.6.16.60-0.101.1/fs/ocfs2/cluster

[root@itsusral00019:/]#
Code:
     #-> clustat -bash: clustat: command not found

[root@itsusral00019:/]#
Code:
     

     #-> hastatus -sum -bash: hastatus: command not found

from the above output i see this host doesn't have veritas cluster but there is some hacluster when i tried to look for cluster.conf file i dont see and i am not aware for this hacluster.

If you know anything about this please let me know this would be very helpful.

Last edited by munna529; 04-04-2014 at 12:04 PM.. Reason: code tags
 

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clusvcmgrd(8)						       Red Hat Cluster Suite						     clusvcmgrd(8)

NAME
rgmanager - Resource Group (Cluster Service) Manager Daemon DESCRIPTION
rgmanager handles management of user-defined cluster services (also known as resource groups). This includes handling of user requests including service start, service disable, service relocate, and service restart. The service manager daemon also handles restarting and relocating services in the event of failures. HOW IT WORKS
The service manager is spawned by an init script after the cluster infrastructure has been started and only functions when the cluster is quorate and locks are working. During initialization, the service manager runs scripts which ensure that all services are clear to be started. After that, it determines which services need to be started and starts them. When an event is received, members which are no longer online have their services taken away from them. The event should only occur in the case that the member has been fenced whenever fencing is available. When a cluster member determines that it is no longer in the cluster quorum, the service manager stops all services and waits for a new quorum to form. COMMAND LINE OPTIONS
-f Run in the foreground (do not fork). -d Enable debug-level logging. -w Disable internal process monitoring (for debugging). -N Do not perform stop-before-start. Combined with the -Z flag to clusvcadm, this can be used to allow rgmanager to be upgraded with- out stopping a given user service or set of services. SEE ALSO
clusvcadm(8) Jan 2005 clusvcmgrd(8)
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