Compaq ProLiant Clusters for SCO UnixWare 7 U/200 Quick Install Guide for the Compaq ProLiant ML350

Managing Clusters 4-5
Compaq Confidential – Need to Know Required
Writer: Rachel Williams Project: Compaq ProLiant Clusters for SCO UnixWare 7 U/200 Quick Install Guide for the Compaq ProLiant ML350
Comments: Part Number: 223094-001 File Name: e-ch4 Managing Clusters.doc Last Saved On: 12/27/00 10:32 AM
Keepalive Manager
The SCO UnixWare 7 NonStop Clusters Keepalive Manager provides a
graphical user interface to monitor the status of applications currently being
managed by the Keepalive subsystem. Applications are placed under
Keepalive control through use of the
spawndaemon command. See the SCO
UnixWare 7 NonStop Clusters System Administrator’s Guide in the NonStop
Clusters Documentation topic in SCOhelp for more information on the
Keepalive subsystem.
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