6.3.4 System file components

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

Table 6-4 System file components

Type of system fileCreation unitNumberDuplexed?
HiRDB single server configurationSystem log fileNeeded for all units.2 to 200 groupsO
Synchronization point dump file2 to 60 groupsO
Server status file1 to 7 files [Figure] number duplexedY
Unit status file1 to 7 files [Figure] number duplexedY
HiRDB parallel server configurationSystem log fileNeeded on all servers other than the system manager.2 to 200 groups per serverO
Synchronization point dump fileNeeded on all servers other than the system manager.2 to 60 groups per serverO
Server status fileNeeded on all servers other than the system manager.1 to 7 files [Figure] number duplexed per serverY
Unit status fileNeeded for all units.1 to 7 files [Figure] number duplexed per serverY

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 6-5 Configuration of system files in a HiRDB single server configuration

[Figure]

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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 6-6 Configuration of system files in a HiRDB parallel server configuration

[Figure]