Archive logs can be restored separately or along with the database if all logs have been backed up.
By default, the log files are restored to the DB2 Retrieve Path that was specified during the installation of the DB2 Data Agent.
Archive Log restores are useful in the following scenarios:
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If there is a database failure and you need to recover the database to the recent state, you restore all the logs along with the database.
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If the logs from a specific time range were lost due to a hard disk corruption, you can restore them by performing a point-in-time restore of the logs.
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In certain cases, you might need to restore only specific logs that are missing in the database. Such logs can be identified and then restored using a serial number or time ranges.