HP D2D4009fc HP D2D Backup Systems Best practices for VTL, NAS and Replication - Page 87
For Site A Filesystem1 the retention scheme is Daily, Output, Dedupe
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In the case of sites A and D, when we enter all the backup jobs, we will have seven backup jobs running in parallel which will give us best throughput and backup performance. Site A Filesystem 1 uses an Incrementals & Fulls backup scheme This parameter is the block change rate of data per day and will determine along with retention period the dedupe ratio achieved and the amount of data to be replicated. The default is 2% for dynamic change environments increase this number. For Site A Filesystem1 the retention scheme is Daily incrementals for 6 days, Weekly full backups kept for 4 weeks and then a monthly full backup. Inputting 6-6, for incremental, 4-4 for weekly fulls, and 1 for the monthly fulls allows us to simulate this retention scheme. See output in step 3. 3. For each Job you can view the rotation scheme and predicted deduplication ratios by displaying the Output from within the Dedupe tab. 87