Just to let everyone who hasn't taken the plunge, my upgrade went really
well.

This is how I completed the upgrade from an 1.0.2 RPM to 1.1.0 RPM on a
basic CentOS 4.4 installation...

All of these steps were carried out as root:

1) Shut down Zenoss, if you follow this method, everything should
shutdown cleanly:

# /etc/rc.d/init.d/zenoss stop

2) Make sure that all processes have stopped before you carry out the
next part, to do this you will need to:

# ps aux | grep zenoss

If there are any processes shown, then you will need to kill them using:

# kill -9 PID_number

3) Now you can upgrade:

# rpm --nopostun --nopreun -Uvh zenoss-1.1.0-0.i386.rpm
# rm /opt/zenoss/.installed

4) Finally, you can restart Zenoss:

# /etc/rc.d/init.d/zenoss start

All being well, Zenoss will detect that it has been upgraded and show an
 output along the lines of the following:

Zenoss upgraded.  Running data migration scripts...
Starting Zope Object Database
. daemon process started, pid=2983
Migrating data
INFO:zen.migrate:Installing BetterStandardErrorMessage
INFO:zen.migrate:Installing ChangeEventClasses
INFO:zen.migrate:Installing DefaultCommandTimeout
INFO:zen.migrate:Installing DevicePriority
INFO:zen.migrate:Installing EventCommands
INFO:zen.migrate:Installing EventNewClasses
INFO:zen.migrate:Installing EvtProps
INFO:zen.migrate:Installing KeyPath
INFO:zen.migrate:Installing MaxOIDPerRequest
INFO:zen.migrate:Installing ProcParams
INFO:zen.migrate:Installing RRDCpuType
INFO:zen.migrate:Installing RRDMinValue2
INFO:zen.migrate:Installing ReportServer
INFO:zen.migrate:Installing StatusConnectTimeout
INFO:zen.migrate:Installing UserCommands
INFO:zen.ReportLoader:loading reports
from:/opt/zenoss/Products/ZenReports/reports
INFO:zen.ReportLoader:loading: /Device Reports Device_Changes.rpt
INFO:zen.ReportLoader:loading: /Device Reports All_Monitored_Components.rpt
INFO:zen.ReportLoader:loading: /Device Reports Model_Collection_Age.rpt
INFO:zen.ReportLoader:loading: /Device Reports SNMP_Status_Issues.rpt
INFO:zen.ReportLoader:loading: /Device Reports Ping_Status_Issues.rpt
INFO:zen.ReportLoader:loading: /Device Reports All_Devices.rpt
INFO:zen.ReportLoader:loading: /Device Reports New_Devices.rpt
INFO:zen.ReportLoader:loading: /Event Reports All_EventMappings.rpt
INFO:zen.ReportLoader:loading: /Event Reports All_EventClasses.rpt
INFO:zen.ReportLoader:loading: /Event Reports All_Heartbeats.rpt
INFO:zen.ReportLoader:loading: /Performance Reports Memory_Utilization.rpt
INFO:zen.ReportLoader:loading: /Performance Reports Aggregate_Reports.rpt
INFO:zen.ReportLoader:loading: /Performance Reports
Filesystem_Util_Report.rpt
INFO:zen.ReportLoader:loading: /Performance Reports Threshold_Summary.rpt
INFO:zen.ReportLoader:loading: /Performance Reports CPU_Utilization.rpt
INFO:zen.ReportLoader:loading: /Performance Reports Availability_Report.rpt
INFO:zen.ReportLoader:loading: /Performance Reports
Interface_Utilization.rpt
INFO:zen.ReportLoader:loading: /User Reports Notification_Schedules.rpt
INFO:zen.migrate:committing
INFO:zen.migrate:Migration successful
Stopping Zope Object Database
. daemon process stopped
Zenoss upgrade complete.
Daemon: zeoctl . daemon process started, pid=3008
Daemon: zopectl . daemon process started, pid=3012
Daemon: zenxevent starting...
Daemon: zenmodeler starting...
Daemon: zenperfsnmp starting...
Daemon: zenperfxmlrpc starting...
Daemon: zenprocess starting...
Daemon: zenping starting...
Daemon: zensyslog starting...
Daemon: zenstatus starting...
Daemon: zenactions starting...
Daemon: zentrap starting...
Daemon: zencommand starting...

That should be it :-)

John

-- 
John Gardner - Tagish Ltd.
Infrastructure Manager
T: 01665 833 322
F: 01665 830 695
D: 01665 833 310
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