This resource controls the PPAS and detects whether PPAS is installed on a system or not, also controls relevant services and monitors their status.

이 페이지의 주요 내용

Adding

Choose a type of PPAS resource on the Add Resource wizard.

Home directory of PPAS: Inputs a path of the directory where PPAS has been installed.
PPAS user: Inputs a user's account to run a database service.
Name of PPAS database: Inputs a name of a database for easy identification.
[Figure] Add PPAS Resource screen

Deleting

To delete a resource, click the resource → right click → choose the Delete Resource.

State

The following table describes MCCS resources' status conversion occurred by state changes or user's commands.

PPAS agent: Manages PPAS registered for MCCS.

State	Agent command	Description	Note

State	Agent command	Description
Online PPAS is on running. Indicates the status of instance is OPEN if the DoQuery attribute is true.	Offline	Stop a PPAS service. e.g.) pg_ctl stop -mf -w Before stopping the PPAS service, stop all backups if there is any backup on progressing.
	Monitoring	Detects whether PPAS process is on running or not. In the case that the DoQuery attribute is "True", it checks if state of PPAS instance is "OPEN", and if not, it considers state of the process as no response.
Offline Indicates that all processes configure the PPAS service have been terminated.	Online	Start the PPAS service. e.g.) pg_ctl start -w If there is any backup which has not been completed, terminate the backup and then retry OPEN, i.e., opening the instance.
	Monitoring	Detects whether PPAS process is on running or not. In the case that the DoQuery attribute is "True", it checks instance's state, and if "OPEN", it terminates PPAS.
Fault Indicates that its state has been converted from online into offline, although it has never been terminated.	Online	Start the PPAS service. e.g.) pg_ctl start -w If there is any backup which has not been completed, terminate the backup and then retry "OPEN", i.e., opening the instance.
	Offline	Stop a PPAS service. Before stopping the PPAS service, stop all backups if there is any backup on progressing.
	Clean	Terminate all processes if all of PPAS processes are on running. Force to terminate a process in case that there is any process which has not been shut down although the command to terminate all processes was ran.

Attribute

The following table describes attributes related to PPAS resources.

Attribute	Description	Type	Default	Edit

Attribute	Description	Type	Default	Edit
DBName	Instance name of a PPAS database.	STRING		X
Port	Server port of a database.	STRING		X
DoQuery	Checks state of instance.	BOOLEAN	true	O
PostgressHome	Directory path where PPAS program is installed	STRING		O
User	User's account to run PPAS	STRING		O
DBAAccount	DBA account to run commands related to PPAS	STRING		O
Password	Password of the DBA account	PASSWORD		O

Specified attribute values are normally entered when add the resource, This value can be edited or viewed through 'Specified Attribute' table in the Resource Attributes tab on the detailed information panel

MCCS has function to limit input values against user's input field, and it provides function detects automatically data which is input wrong by user's mistake.

7-12 PPAS

Adding

Deleting

State

Attribute