Using PowerShell to backup a small SharePoint farm.
Backup-SPFarm -Directory $BackupDir -BackupMethod full -Item "Farm\Microsoft SharePoint Foundation Web Application" -BackupThreads 3
From day to day, there are wild variations in the size of the backup. What could be causing this?
week sample:
sat - 284gb
fri - 213gb
thu - 142gb
wed - 71gb
tue - 0gb (need to look into this)
mon - 70gb
sun - 212gb