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
