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Chapter 12. Managing Red Hat Gluster Storage Logs

The log management framework generates log messages for each of the administrative functionalities and the components to increase the user-serviceability aspect of Red Hat Gluster Storage Server. Logs are generated to track the event changes in the system. The feature makes the retrieval, rollover, and archival of log files easier and helps in troubleshooting errors that are user-resolvable with the help of the Red Hat Gluster Storage Error Message Guide. The Red Hat Gluster Storage Component logs are rotated on a weekly basis. Administrators can rotate a log file in a volume, as needed. When a log file is rotated, the contents of the current log file are moved to log-file-name.epoch-time-stamp.The components for which the log messages are generated with message-ids are glusterFS Management Service, Distributed Hash Table (DHT), and Automatic File Replication (AFR).

12.1. Log Rotation

Log files are rotated on a weekly basis and the log files are zipped in the gzip format on a fortnightly basis. When the content of the log file is rotated, the current log file is moved to log-file- name.epoch-time-stamp. The archival of the log files is defined in the configuration file. As a policy, log file content worth 52 weeks is retained in the Red Hat Gluster Storage Server.