When would a job with lower priority be granted resources before jobs with higher priority?

Using Netbackup 7.5 with one master/media server, I have an NDMP job with a job priority set to 90 that's being granted tape resources before NDMP jobs I have set to a job priority of 95. Aside from priority, all of our NDMP policies are configured the same: 

- Full Backup

- Same retention level

- Same start window

- Same destination STU 

read more