Repeat Missed Backup doesn't work

rakosi2

New Member
Feb 27, 2025
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The tip for Repeat Missed option says "Run jobs as soon as possible if they couldn't start on schedule, for example, due to the node being offline."
I have Repeat Missed enabled for my backup job but it gets stopped because it errors and Repeat Missed does not run the job when the node comes back online.

INFO: notified via target `mail-to-root`
TASK ERROR: could not activate storage 'PBS': PBS: error fetching datastores - 500 Can't connect to 10.69.71.2:8007 (Connection timed out)

Proxmox: 8.4.1
PBS: 3.3.4
 
IMHO, it works as expected. When a time-slot is missed, it does start the backup as soon as possible. This works fine when a node is off-line during the backup start time but PBS is always running. Repeating failed backups (which I consider a separate feature: https://bugzilla.proxmox.com ) have a serious draw-back on persistent failures: you might run into the situation where Proxmox is doing nothing but repeating failed tasks that are doomed to fail (unlike you scenario which is a temporary failure).
 
In my setup, it does not start as soon as possible and waits for the next trigger.
I have my PBS shutdown normally and it wakes up once a day to do the backup. Daylight savings has caused the PBS server to turn on an hour later which means that it is not on when Proxmox tries to start the backup, I assumed that Repeat Missed would cover it but hasn't done a backup since March. I would like if the PBS could start the backup when it is up and ready instead of trying to time it with Proxmox to start the backup, but I can't find that option.