Log truncation The process for Best practice: Best practice: method truncating and Use backups for log Enable circular deleting old truncation (for logging for database log files. example, circular deployments There are two logging disabled). that use mechanisms: Exchange Provision for three Circular data days of log logging, in protection generation capacity. which features. Exchange Provision for deletes the three days logs. beyond replay Log truncation, lag setting of which occurs log generation after a capacity. successful full or incremental Volume Shadow Copy Service (VSS) backup. More information can be found in this URL:
Log truncation method The process for truncating and deleting old database log files. There are two mechanisms: Circular logging, in which Exchange deletes the logs. Log truncation, which occurs after a successful full or incremental Volume Shadow Copy Service (VSS) backup. Best practice: Use backups for log truncation (for example, circular logging disabled). Provision for three days of log generation capacity. Best practice: Enable circular logging for deployments that use Exchange data protection features. Provision for three days beyond replay lag setting of log generation capacity. More information can be found in this URL:
467c984d85b41842e63287d5deafdbf7_MOFA%20Exchange%202010%20Design.docx