I install (SLES15SP3) SAPHana Cluster HA (Performance Optimized Scenario) using YaST (HA Setup For SAP Product) at IBM Power9.
At Watchdog Setup stage, YaST does not see a running softdog service after the next step the installation terminates with the message:
Error occurred during the unattended installation: no implicit conversion of nil into String
The YaST /var/log /YaST2/y2log has the following lines:
--- SapHA::SAPHAInstallation.local_configuration: configuring Watchdog Setup ---
[Ruby] sap_ha/node_logger.rb(method_missing):161 Appying Watchdog Configuration
[Ruby] system/watchdog.rb(watchdog?):98 Module '' is not a watchdog!
[Ruby] system/watchdog.rb(watchdog?):98 Module '' is not a watchdog!
[Ruby] sap_ha/node_logger.rb(method_missing):161 Cannot install a watchdog module
[Ruby] system/shell_commands.rb(exec_outerr_status):68 Executing command ["/usr/sbin/modprobe", nil]
[Ruby] clients/sap_ha.rb(rescue in run_installation):404 An error occurred during the installation
Watchdog Setup stage is provided by the script /usr/share/YaST2/lib/sap_ha/system/watchdog.rb, and its
methods generates
[Ruby] system / watchdog.rb (watchdog?): 98 Module '' is not a watchdog!
message
And previous methods do not find the softdog.ko.xz module
(NodeLogger.error ("Cannot install a watchdog module # {module_name}" above)
although it is in its proper place
(/lib/modules/5.3.18-57-default/kernel/drivers/watchdog/softdog.ko.xz),
and Active status
# lsmod | egrep "(wd | dog)"
softdog 5232 0
So after the Watchdog Setup stage the installation terminates abnormally.
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