New retention policy deletes old backups in a smart way

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Awesome - thanks for adding this to the GUI!

Can you confirm a few things for me?

  1. Does “There will always be at least one remaining backup” mean files deleted from the source will NOT be deleted from the backup, even after 12 months?

  2. Am I correct in assuming the NEWEST version of each “date range” will be kept? For example, with hourly backups on the 1st minute of the hour I’d have:

    • 24 backups for “today”
    • 7 backups for “this week” (ONLY the 11:59 PM backup from each of the 7 previous days, includes 1 backup also counted with “today”)
    • 4 backups for “this month” (ONLY the 11:59 PM backup for the most recent day of “the week” for each of the 4 previous weeks, includes 1 backup also counted with “this week”)
    • 12 backups for “this year” (ONLY the 11:59 backup for the last day of “the month” for the previous 12 months, includes 1 backup also counted with “this month”)

This is a bit of a generic question, but what happens if I use this UI setting and manually add --retention-policy in the advanced options?

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