Installation and User's Guide - Services and Support

Backup optional parametersOptional parameters follow the backup command and positional parameters./BACKUPDESTination=TSM|LOCAL|BOTHUse the /backupdestination parameter to specify the location where thebackup is stored.You can specify:TSM The backup is stored on Tivoli Storage Manager server storageonly. This is the default.LOCALThe backup is stored on local shadow volumes only. This is onlyvalid when the /backupmethod parameter specifies VSS.BOTH The backup is stored on Tivoli Storage Manager server storage andlocal shadow volumes. This is only valid when the /backupmethodparameter specifies VSS./BACKUPMETHod=LEGACY|VSSUse the /backupmethod parameter to specify the manner in which thebackup is performed.You can specify:IBM ConfidentialLEGACYThe backup is performed with the legacy API. This is the Exchangestreaming backup and restore API as used in previous versions ofData Protection for Exchange. This is the default.VSS The backup is performed with VSS./BUFFers=numbuffersUse the /buffers parameter to specify the number of data buffers used formoving data between the Exchange Server and the Tivoli Storage ManagerAPI during Legacy backup and restore operations. Separate, asynchronousexecution threads are used by Data Protection for Exchange forcommunicating with the Exchange Server and Tivoli Storage ManagerAPIs. Increasing the number of data buffers improves throughput byreducing the possibility of one thread having to wait for another thread.The numbuffers variable refers to the number of data buffers to use. Thenumber of data buffers can be from 2 to 8. The default number of databuffers is 3./BUFFERSIze=buffersizeUse the /buffersize parameter to specify the size of data buffers used tomove data between the Exchange Server and the Tivoli Storage ManagerAPI during Legacy backup and restore operations.The buffersize variable refers to the size of the data buffers in kilobytes. Thesize of the data buffers can be from 64 to 8192 kilobytes. The default sizeof the data buffers is 1024 kilobytes./CONFIGfile=configfilenameUse the /configfile parameter to specify the name of the Data Protectionfor Exchange configuration file that contains the values for the DataProtection for Exchange configuration options. See “Set command” on page106 for details about the contents of the file.78 Storage Manager for Mail 5.5: Data Protection for Microsoft Exchange Server Installation and User’s Guide