Installation guide

d. service rgmanager start
5. Start the Red Hat Cluster Suite management GUI. At the Clu st er C o n f ig u rat io n T o o l tab,
verify that the configuration is correct. At the Clu st er St at u s T o o l tab verify that the nodes
and services are running as expected.
5.5.3. Delet ing a Member from a Clust er
To delete a member from an existing cluster that is currently in operation, follow these steps:
1. At one of the running nodes (not to be removed), run the Red Hat Cluster Suite management
GUI. At the Clu st er St at u s T o o l tab, under Services, disable or relocate each service that
is running on the node to be deleted.
2. Stop the cluster software on the node to be deleted by running the following commands at
that node in this order:
a. service rgmanager stop
b. service gfs stop, if you are using Red Hat GFS
c. service clvmd stop, if CLVM has been used to create clustered volumes
d. service cman stop
3. At the Clu st er Co n f ig u rat io n T o o l (on one of the running members), delete the member as
follows:
a. If necessary, click the triangle icon to expand the Clu st er No d es property.
b. Select the cluster node to be deleted. At the bottom of the right frame (labeled
Pro p ert ies), click the Delete Node button.
c. Clicking the Delete Node button causes a warning dialog box to be displayed
requesting confirmation of the deletion (Figure 5.6, “ Confirm Deleting a Member” ).
Fig u re 5.6 . C o n f irm Delet in g a Memb er
d. At that dialog box, click Yes to confirm deletion.
e. Propagate the updated configuration by clicking the Send to Cluster button.
(Propagating the updated configuration automatically saves the configuration.)
4. Stop the cluster software on the remaining running nodes by running the following
commands at each node in this order:
a. service rgmanager stop
⁠Chapt er 5. Configuring Red Hat Clust er Wit h syst em- config- clust er
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