Name of the Instance 

Nametag used internally as an identifier for the instance. The log messages generated by Sun Cluster refer to this nametag. The hadsconfig(1M) command prefixes the package name to the value you supply here. You can use the <SAPSID> for this nametag. For example, if you specify HA1, hadsconfig(1M) produces SUNWscsap_HA1.

Logical Host 

Name of the logical host that provides service for this instance of Sun Cluster HA for SAP. This name should be the logical host name for the central instance. 

Time Between Probes 

The interval, in seconds, of the fault probing cycle. The default value is 60 seconds. 

SAP SID 

This is the SAP system name or <SAPSID>.

Central Instance ID 

This is the SAP system number or central instance ID. The default value is 00.

SAP Admin Login Name 

The name used by Sun Cluster HA for SAP to log in to the SAP central instance administrative account. This name must exist on all central instance and application server hosts. This is the <sapsid>adm. For example, ha1adm.

Database Admin Login Name 

This is the SAP database administrator's account. For SAP with Informix, this is informix.

Database Logical Host Name 

Name of the logical host for the database used by SAP. This might be the same as the logical host name used for the central instance, depending on your configuration. 

Log Database Warnings 

Possible values are y or n. If set to y and the Sun Cluster HA for SAP probe detects that it cannot connect to the database during a probe cycle, a warning message appears saying the database is unavailable. For example, this occurs if the database logical host is in maintenance mode or if the database is being relocated to another node in the cluster. If the parameter is set to n, then no messages appear if the probe cannot connect to the database.

Central Instance Start Retry Count 

This must be an integer greater than or equal to 1. The default value is 10. This is the number of times Sun Cluster HA for SAP should attempt to start the central instance before giving up. This value is also the number of times the Sun Cluster HA for SAP fault monitor will probe in grace mode before entering normal probe mode. While in grace mode, the probe will not perform a restart or initiate a failover of the central instance if the probe detects that the central instance is not yet up. Instead, the fault monitor will report the status of all probes and will continue in grace mode until all probes pass, or until the retry count has been exhausted. 

Central Instance Start Retry Interval 

This is the number of seconds Sun Cluster HA for SAP should wait between each attempt to start the central instance. This value is also the number of seconds that the Sun Cluster HA for SAP fault monitor will sleep (between probe attempts) while in grace mode. The default value is 30.  

Time Allowed to Stop All Instances Before Central Instance Starts 

This must be an integer greater than or equal to 0. The default value is 60. This parameter dictates for how much time (in seconds) the hasap_stop_all_instances script should be run before starting the central instance. If set to 0, then hasap_stop_all_instances is run in the background while the central instance is being started. If set to a positive integer, then hasap_stop_all_instances is run for that amount of time in the foreground before the central instance is started.

Allow the Central Instance to Start if Foregrounded Stop All Instances Returns  

Error 

This flag should be set to either y or n. The default value is n. This value determines whether the central instance should be started in the case where the hasap_stop_all_instances script returns a non-zero exit code or does not complete in the time specified by the "Time Allowed to Stop All Instances Before Central Instance Starts" parameter. If set to n and the value for "Time Allowed to Stop All Instances Before Central Instance Starts" is greater than 0, and if the hasap_stop_all_instances script does not complete in the time configured above or the hasap_stop_all_instances script returns a non-zero exit status, the central instance will not be started and the fault monitors will take action based on the other configuration parameters. If set to y, then the central instance will be started regardless of whether hasap_stop_all_instances returns an error code or finishes within the timeout specified above.

Number of Central Instance Restarts on Local Node 

This must be an integer greater than or equal to 0. The default value is 1. This dictates how many times the SAP central instance will be restarted on the local node before giving up, after a failure has been detected. When this number of restarts has been exhausted, Sun Cluster HA for SAP either issues a failover request, if permitted by the "Allow Central Instance Failover" parameter, or does nothing to correct the failure detected by the fault monitor. 

Number of Probe Successes to Reset the Restart Count 

This parameter should be an integer that is greater than or equal to 0. The default value is 60. If set to a positive integer, then after that many consecutive successful probes, the count of restarts done so far on the local node will be reset to 0. For example, if the value for "Number of Central Instance Restarts on Local Node" parameter is 1 and the value for "Number of Probe Successes to Reset the Restart Count" is 60, then after the first failure occurs, the probe will try to restart the central instance on the local node. If this restart succeeds, then after 60 successful probes, the restart count will be reset to 0, allowing the probe to do another restart if it detects another failure. If the parameter "Number of Probe Successes to Reset the Restart Count" is set to 0, then the restart count is never reset. This means that the number of restarts set in the parameter "Number of Central Instance Restarts on Local Node" is the absolute number of restarts that will be done on the local node before failing over. 

Allow Central Instance Failover 

Possible values are y or n. The default value is y. If set to y and Sun Cluster HA for SAP detects an error in the SAP instance it is monitoring and the "Number of Central Instance Restarts on Local Node" has been exhausted, then Sun Cluster HA for SAP issues a request to relocate the instance's logical host to another cluster node. If this flag is set to n, then even if an error is detected and all of the local restarts have been exhausted, Sun Cluster HA for SAP will not cause a relocation of this instance's logical host. When this occurs, the central instance is left in the failed state, and the probe exits.