upd stg sysbacks  copystg=" "
ANR2340E UPDATE STGPOOL: Invalid storage pool name - .

How does one clear out a copystg setting?

I added this parm thjis morning and am now getting:


Total number of objects inspected:       11
Total number of objects archived:         0
Total number of objects updated:          0
Total number of objects rebound:          0
Total number of objects deleted:          0
Total number of objects expired:          0
Total number of objects failed:           0
Total number of bytes transferred:     2.72 MB
Data transfer time:                    0.19 sec
Network data transfer rate:        14,215.89 KB/sec
Aggregate data transfer rate:        867.65 KB/sec
Objects compressed by:                    0%
Elapsed processing time:           00:00:03
ANS1312E Server media mount not possible