backup files management

Apr 28, 2021
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Hello dears
i have question about backup files management.
Can I say To be kept the first backup forever? And other backups To be kept once a week?
(actually my question is how can i keep one backup forever?)

my command is now:
vzdump 384286 --prune-backups keep-weekly=1 --mode snapshot --storage pbs-local

Thanks
 
no currently the most coarse level is 'yearly' so it keeps a backup from each year,

we have planned a 'lock' function however, which will prevent 'locked' backups from being deleted, but no one is actively working on it afaik