During Lotus restores, the NetBackup for Lotus Notes agent automatically restores any recycled transaction logs that are required for recovery. Typically one transaction log extent is restored at a time and recovery is completed for the transactions in that log. Because the restore of the log and application of transactions is a sequential process, the restore and recovery performance is slow. NetBackup prefetches the required transaction logs before recovery. Then multiple transaction logs can be restored at a time and made available for recovery.
To configure Lotus fast restores
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About Lotus fast restore configuration recommendations