Repeat Missed backup job does not work

chchia

Well-Known Member
Aug 18, 2020
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Since scheduled backups miss their execution when the host was offline or the pvescheduler was disabled during the scheduled time, it is possible to configure the behaviour for catching up. By enabling the Repeat missed option (repeat-missed in the config), you can tell the scheduler that it should run missed jobs as soon as possible.

from the description, it appear that Proxmox should keep repeat trying the missed backup task until the PBS host is online.

however in actual situation, the missed backup job just never get run again.

example i have this CT setup to be backup daily at 9pm. but intentionally shutdown PBS on that time, and after PBS restarted, Proxmox never able to repeat missed backup task.

am i missing something?

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Do you maybe virtualize your PBS on the same PVE node?
Because it will start the backup job right after rebooting before all guests are started. So if your backup target is provided by a VM/LXC it will fail because the backup storage couldn't be enabled yet.
I wrote a VZDump hook script as a workaround for that situation which will delay the backup jobs by X minutes after reboot.
 
no, my PBS is virtualized in a different PC using Windows and Hyper-V.