Installation and User's Guide - Services and Support

IBM ConfidentialHowever, UNC-based naming (as shown in the following example) is notsupported when using a volume mount point, cluster drive, or both:\\host_srv1\x$\Exch_Mount_Point\Program Files\Exchsrvr\First Storage GroupWhy do I receive a TCP/IP timeout failure when I have Windows internal VSStracing turned on?Data Protection for Exchange VSS operations may timeout with a TCP/IPfailure when Windows internal VSS tracing is turned on because of theadditional time required to write entries to the trace file. You can avoidthis issue by increasing the values for the Tivoli Storage Manager servercommtimeout and idletimeout options or by decreasing the amount ofWindows internal VSS tracing.How do I perform mailbox level backup and restore for Exchange?See BRICKBACK.DOC in the Data Protection for Exchange installationdirectory. BRICKBACK.DOC explains how to use the Microsoft ExMergeutility and the Tivoli Storage Manager Backup-Archive Client to performan item level backup and restore. Data Protection for Exchange is notinvolved with that solution.See Appendix D, “Advanced restore procedures,” on page 137 forinformation.See “Exchange 2003 Recovery Storage Group” on page 138 for information.How should I set up my policy settings for Data Protection for Exchange?See the following sections for information about Data Protection forExchange policy settings:v “How Tivoli Storage Manager server policy affects Data Protection forExchange” on page 18v “Specifying Data Protection for Exchange options” on page 39How do I perform an alternate server restore?See Appendix D, “Advanced restore procedures,” on page 137 forinformation about performing this procedure.What should my Data Protection for Exchange performance settings be?The default value of the buffers parameter (3) and the buffersize parameter(1024) have demonstrated the best performance in testing. However,environment factors such as network speed, physical database layout,machine resources, and Exchange Server resources all affect DataProtection for Exchange performance and should be considered whendetermining your settings. Note that the buffers and buffersize parametersapply to Legacy backups only.See the following sections for more information:v “Performance” on page 20v “Specifying Data Protection for Exchange options” on page 39v ″/buffers and /buffersize parameters″ (with the backup command) on“Backup optional parameters” on page 78.v ″/buffers and /buffersize parameters″ (with the restore command) on“Restore optional parameters” on page 88.v ″/buffers and /buffersize parameter″ (with the set command) on “Setpositional parameters” on page 106.Appendix B. Frequently asked questions 127