How do differential jobs work with job retention?  As an example If I
do a Full backup every 2 months, a differential every sun and
incremental every 6 hours, you only require the last differential to
restore.  Are the previous differentials "purged" and the relevant
volumes in the differential pool marked for recycling as they are no
longer needed? Some extracted time periods below:

Job {
  Name = "BackupHome"
  JobDefs = "DefaultJob"
  FileSet = "Home Directory"
  pool = Default
  Full Backup Pool = HomeFull-Pool
  Incremental Backup Pool = HomeInc-Pool
  Differential Backup Pool = HomeDiff-Pool
}

Client {
 Job Retention = 6 months
 File Retention = 30 days
 AutoPrune = yes
}

Pool {
  Name = HomeDiff-Pool
  Pool Type = Backup
  Recycle = yes
  AutoPrune = yes
  Volume Retention = 40 days
  Maximum Volume Bytes = 20G
  Maximum Volumes = 20
  Label Format = HomeDiff-
}





-- 
Ross Williamson
Research Scientist - Sub-mm Group
California Institute of Technology
626-395-2647 (office)
312-504-3051 (Cell)

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