Compaq ProLiant Clusters for SCO UnixWare 7 U/300 Quick Install Guide for the Compaq ProLiant DL380

Managing Clusters 4-5
Compaq Confidential – Need to Know Required
Writer: Rachel Williams Project: Compaq ProLiant Clusters for SCO UnixWare 7 U/300 Quick Install Guide for the Compaq ProLiant DL380
Comments: Part Number: 221544-001 File Name: e-ch4 Managing Clusters.doc Last Saved On: 12/27/00 11:00 AM
Keepalive Configuration Manager
The SCO UnixWare 7 NonStop Clusters Keepalive Configuration Manager
provides a graphical user interface to create and manage configuration file sets
for applications to be monitored by the Keepalive subsystem.
Samview
The SCO UnixWare 7 NonStop Clusters System Availability Monitor (SAM)
Viewer displays availability reports for the cluster, nodes, and other devices.
SCO Clusterized Commands
SCO UnixWare 7 NonStop Clusters software includes a number of
cluster-specific and clusterized commands to simplify system management in
a cluster environment. The following list identifies the key cluster-specific and
clusterized commands. Manual pages for commands can be viewed using
SCOhelp or using the
man command from the command line.
■ onnode, onall—Executes a command on a specific node or on all nodes
■ migrate, kill3—Sends the running process a migrate request signal
■ cluster—Displays node state information and the software version
installed
■ clusternode_avail—Shows node availability status
■ clusternode_num—Displays the current node number
■ where—Displays which node is currently serving a file, device, or
process
■ spawndaemon—Registers processes for restart
■ fast—Executes commands on the node with the smallest load
■ fastnode—Returns the number of the node with the smallest load
■ clusternode_shutdown—Shuts down a specified node
■ nodedown—Halts the specified node without processing
■ dbms_guard—Runs the Data Base Management System guard
■ ncms—Runs the NonStop Cluster Management Subsystem
■ ctsm—Runs the Cluster Time Sync Monitor