System logging within operating system partitions using log...

Details System logging within operating system partitions using log... System logging within operating system partitions using log...

2003-12-22

2008-12-02

Nguyen, Van H (Department: 2194)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000, C718S001000, C718S100000

Reexamination Certificate

active

07461080

ABSTRACT:
A mechanism is disclosed for logging system messages in an operating system environment that has been partitioned into a global zone and one or more non-global zones. Each of the zones is associated with a separate log device node. A separate syslogd process executes in association with each zone. Each zone is associated with a separate virtual file system that contains a separate log file. Application processes executing in association with a zone can send messages to the log device node for that zone. The syslogd process executing in association with a zone reads messages from that zone's log device and writes at least some of the messages into that zone's log file. Consequently, the system logging ability is maintained in all of the zones, while isolating the processes and data in each zone from the processes and data in each other non-global zone.

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