[SOLVED] permission check failed exit code 255 after backup

[NathanD]

Hello,

Testing PBS at this moment. Nice piece of software with the whole Proxmox base feeling. We're getting an error on the prune part I think:

116: 2020-10-02 13:50:25 INFO: status: 99% (15.8 GiB of 16.0 GiB), duration 322, read: 54.7 MiB/s, write: 54.7 MiB/s
116: 2020-10-02 13:50:30 INFO: status: 100% (16.0 GiB of 16.0 GiB), duration 327, read: 32.0 MiB/s, write: 32.0 MiB/s
116: 2020-10-02 13:50:30 INFO: backup was done incrementally, reused 13.83 GiB (86%)
116: 2020-10-02 13:50:30 INFO: transferred 16.00 GiB in 327 seconds (50.1 MiB/s)
116: 2020-10-02 13:50:30 INFO: run: /usr/bin/proxmox-backup-client prune vm/116 --quiet 1 --keep-last 1 --repository office@pbs@172.24.254.89:backups
116: 2020-10-02 13:50:31 INFO: Error: permission check failed
116: 2020-10-02 13:50:31 ERROR: Backup of VM 116 failed - command '/usr/bin/proxmox-backup-client prune vm/116 --quiet 1 --keep-last 1 --repository office@pbs@172.24.254.89:backups' failed: exit code 255

On the PBS server looks everything okay:

2020-10-02T13:50:29+02:00: add blob "/backups/vm/116/2020-10-02T11:45:01Z/index.json.blob" (309 bytes, comp: 309)
2020-10-02T13:50:29+02:00: successfully finished backup
2020-10-02T13:50:29+02:00: backup finished successfully
2020-10-02T13:50:29+02:00: TASK OK

It's annoying because we get failed messages from our Proxmox VE. How can I fix that error? I also tried changing permissions of the user, but that doesn`t solve the issue.

Thanks in advance.

 

[fabian]

does 'office@pbs' have the permission to prune backups?

 

[NathanD]

The user had DatastoreBackup rights, but it seems that wasn`t enough. As admin it went smooth, but I saw in the documentation it probably should be the DatastorePowerUser.