System file components

The following table shows the components that comprise the system files.

Table 6-4 System file components

Type of system file		Creation unit	Number	Duplexed?
HiRDB single server configuration	System log file	Needed for all units.	2 to 200 groups	O
	Synchronization point dump file		2 to 60 groups	O
	Server status file		1 to 7 files number duplexed	Y
	Unit status file		1 to 7 files number duplexed	Y
HiRDB parallel server configuration	System log file	Needed on all servers other than the system manager.	2 to 200 groups per server	O
	Synchronization point dump file	Needed on all servers other than the system manager.	2 to 60 groups per server	O
	Server status file	Needed on all servers other than the system manager.	1 to 7 files number duplexed per server	Y
	Unit status file	Needed for all units.	1 to 7 files number duplexed per server	Y

Y: Always duplexed

O: Duplexing optional

Organization of this subsection: (1) Configuration of system files in a HiRDB single server configuration; (2) Configuration of system files in a HiRDB parallel server configuration

(1) Configuration of system files in a HiRDB single server configuration

The following figure shows the configuration of the system files in a HiRDB single server configuration.

[Figure]

#: The utility special unit is a feature that is limited to the UNIX edition.

(2) Configuration of system files in a HiRDB parallel server configuration

The following figure shows the configuration of the system files in a HiRDB parallel server configuration.

[Figure]