HP-UX 11i Version 2 December 2005 Release Notes

General System Administration
Distributed Systems Administration Utilities
Chapter 5
98
The Configuration Synchronization Wizard helps to configure syslog-ng on a log
consolidation server and log forwarding clients. Centralized log consolidation offers
the following benefits:
— easier log file analysis
A centralized log provides a single location for the administrator to perform log
file analysis. It offers single view of events that impact multiple systems.
The DSAU tools are specifically designed to optimize this case for managing a
Serviceguard cluster. The member's syslogs and package logs can be centralized
for simpler log file access and analysis. They also allow the cluster to offer an
highly available consolidated logging service.
— increased security
A security breach might compromise the local logs but not the centralized copy.
— simplified archiving of logs
It is usually simpler to archive a set of centralized logs versus per-system logs.
For additional information please refer to the clog_wizard (1M) and syslog-ng
manpages.
• Command-fanout is based on the open source tool Parallel Distributed Shell (pdsh).
pdsh allows the administrator to execute shell commands in parallel across a set of
systems. It can use remsh or ssh as the network transports. The csshsetup tool is
provided to simplify the distribution of ssh keys. The companion utility Parallel
Distributed Copy (pdcp) allows file and directory copies to be performed in parallel to
a set of remote system. The dshbak filter allows the output from multiple systems to
be formatted and consolidated for better on-screen presentation.
The cexec, ccp, ckill, cps, and cuptime are wrappers around the pdsh and pdcp
commands, optimized for use in a Serviceguard cluster. They default to performing
commands cluster-wide.
cexec like pdsh but with additional reporting and retry features
ccp copy files cluster-wide
ckill kill the named process cluster-wide or on the specified systems
cps issue a ps command cluster-wide or on the specified systems
cuptime run the uptime command cluster-wide
These commands can also be used outside a cluster but like pdsh/pdcp, a list of
target hosts must be specified. The cexec command operates like pdsh and adds
reporting capabilities. Saved reports can be used to reissue previous commands and
target just systems where the command original failed, originally succeeded, or both.
For additional information, please refer to the individual manpages for each utility.
Impact
DSAU improves manageability of distributed systems and Serviceguard clusters.