Table 6-4 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	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	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

(a) Configuration of system files in a HiRDB/Single Server

Figure 6-5 shows the configuration of the system files in a HiRDB/Single Server.

Figure 6-5 Configuration of system files in a HiRDB/Single Server

(b) Configuration of system files in a HiRDB/Parallel Server

Figure 6-6 shows the configuration of the system files in a HiRDB/Parallel Server.

Figure 6-6 Configuration of system files in a HiRDB/Parallel Server