Switching services from active node to failovernode in cluster
Hi All,
I was asked to Switch the service from failover to active node as we need to reboot active node for regular maintenance. Unfortunately our senior admin left the organization. It would be helpful if some one answer this query. Detailed info with steps will be appreciated.
Here are the below details. I need to reboot lab1 and need to switch all services to lab2 or lab3.
I believe the /appfs is related to cluster. I'm bit rusty with cluster administration
Please help!!!
Code:
#hostname
lab2
#clustat
Member Name Status
------ ---- ------
lab1-int Online, rgmanager
lab2-int Online, Local, rgmanager
lab3-int Online, rgmanager
Service Name Owner (Last) State
------- ---- ----- ------ -----
app_gfs_svc lab2-int started
app_prod lab1-int started
app_test (lab1-int) disabled
app_upgrade (none) disabled
# df -TPH /appfs
Filesystem Type Size Used Avail Use% Mounted on
/dev/dm-50 gfs 32G 24G 8.3G 75% /appfs
Last edited by Scrutinizer; 03-20-2016 at 12:05 PM..
Reason: code tags
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Discussion started by: depam
2 Replies
LEARN ABOUT DEBIAN
rgmanager
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)
03-20-2016
Switching services from active node to failovernode in cluster
