I've ran that command but can't find any reference of it being labelled as Poor or otherwise.
MediumID : 9581810a:4e3bfec1:079c:0001
Pool name : Backups
Library : HP:MSL G3 Series
Medium Label : Our Media Label
Location : [HP:MSL G3 Series: 16]
Medium Owner : Our backup server
Used blocks [KB] : 195683840
Total blocks [KB] : 1306038784
Number of writes : 2
Number of overwrites : 0
Number of errors : 0
Creation time : 05 August 2011, 15:31:29
Time of last write : -
Time of last overwrite : -
Time of last access : 15 August 2014, 16:47:05
Medium type : HASNOCOPY
Write-protected : No
Encrypted : No
If the tape is labelled in the GUI as poor then I assume it won't be used in any future backups?
Thanks.