Export (0) Print
Expand All

Monitor Log Shipping (Transact-SQL)

After you have configured log shipping, you can monitor information about the status of all the log shipping servers. The history and status of log shipping operations are always saved locally by the log shipping jobs. The history and status of the backup operation are stored at the primary server, and the history and status of the copy and restore operations are stored at the secondary server. If you have implemented a remote monitor server, this information is also stored on the monitor server.

You can configure alerts that will fire if log shipping operations fail to occur as scheduled. Errors are raised by an alert job that watches the status of the backup and restore operations. You can define alerts that notify an operator when these errors are raised. If a monitor server is configured, one alert job runs on the monitor server that raises errors for all operations in the log shipping configuration. If a monitor server is not specified, an alert job runs on the primary server instance, which monitors the backup operation. If a monitor server is not specified, an alert job also runs on each secondary server instance to monitor the local copy and restore operations.

Important note Important

To monitor a log shipping configuration, you must add the monitor server when you enable log shipping. If you add a monitor server later, you must remove the log shipping configuration and then replace it with a new configuration that includes a monitor server. For more information, see Configure Log Shipping (SQL Server). Furthermore, after the monitor server has been configured, it cannot be changed without removing log shipping first.

The monitoring history tables contain metadata that is stored on the monitor server. A copy of information specific to a given primary or secondary server is also stored locally.

You can query these tables to monitor the status of a log shipping session. For example, to learn status of log shipping, check the status and history of the backup job, copy job, and restore job. You can view specific log shipping history and error details by querying the following monitoring tables.

Table

Description

log_shipping_monitor_alert

Stores alert job ID.

log_shipping_monitor_error_detail

Stores error details for log shipping jobs. You can query this table see the errors for an agent session. Optionally, you can sort the errors by the date and time at which each was logged. Each error is logged as a sequence of exceptions, and multiple errors (sequences) can per agent session.

log_shipping_monitor_history_detail

Contains history details for log shipping agents. You can query this table to see the history detail for an agent session.

log_shipping_monitor_primary

Stores one monitor record for the primary database in each log shipping configuration, including information about the last backup file and last restored file that is useful for monitoring.

log_shipping_monitor_secondary

Stores one monitor record for each secondary database, including information about the last backup file and last restored file that is useful for monitoring.

Monitoring and history information is stored in tables in msdb, which can be accessed using log shipping stored procedures. Run these stored procedures on the servers indicated in the following table.

Stored procedure

Description

Run this procedure on

sp_help_log_shipping_monitor_primary

Returns monitor records for the specified primary database from the log_shipping_monitor_primary table.

Monitor server or primary server

sp_help_log_shipping_monitor_secondary

Returns monitor records for the specified secondary database from the log_shipping_monitor_secondary table.

Monitor server or secondary server

sp_help_log_shipping_alert_job

Returns the job ID of the alert job.

Monitor server, or primary or secondary server if no monitor is defined

sp_help_log_shipping_primary_database

Retrieves primary database settings and displays the values from the log_shipping_primary_databases and log_shipping_monitor_primary tables.

Primary server

sp_help_log_shipping_primary_secondary

Retrieves secondary database names for a primary database.

Primary server

sp_help_log_shipping_secondary_database

Retrieves secondary-database settings from the log_shipping_secondary, log_shipping_secondary_databases and log_shipping_monitor_secondary tables.

Secondary server

sp_help_log_shipping_secondary_primary (Transact-SQL)

This stored procedure retrieves the settings for a given primary database on the secondary server.

Secondary server

Community Additions

ADD
Show:
© 2014 Microsoft