TSM备份报错 ANS1312E Server media mount not possible

IBM Tivoli Storage Manager
Command Line Backup/Archive Client Interface
  Client Version 5, Release 5, Level 2.12  
  Client date/time: 04/25/2011 22:30:01
(c) Copyright by IBM Corporation and other(s) 1990, 2010. All Rights Reserved.

Node Name: TSMBK
Session established with server SERVER1: Windows
  Server Version 5, Release 5, Level 4.3
  Server date/time: 04/25/2011 22:30:01  Last access: 04/25/2011 21:39:15


Incremental backup of volume 'w:'
Directory-->                   0 \10.251.105.2q$___(GADM)___(GADM) [Sent]      
Directory-->                   0 \10.251.105.2q$___(GADM)___(GADM)2010 MS [Sent]      
Directory-->                   0 \10.251.105.2q$___(GADM)___(GADM)2010__________ [Sent]      
Directory-->                   0 \10.251.105.2q$___(GADM)___(GADM)GHRD____ [Sent]      
Directory-->                   0 \10.251.105.2q$___(GADM)___(GADM)MG [Sent]      
......省略
Expiring-->               60,928 \10.251.105.2q$___(GADM)___(GADM)____GHRD______2009____________.doc [Sent]      
Expiring-->               67,072 \10.251.105.2q$___(GADM)___(GADM)____GHRD______2009_____________JP.doc [Sent]      
Expiring-->               65,024 \10.251.105.2q$___(GADM)___(GADM)____GHRD______2009_____________.doc [Sent]  
......省略
ANS1228E Sending of object '\10.251.105.2q$___(GADM)___(GADM)_________img-X29090559' failed
ANS1312E Server media mount not possible
ANS1228E Sending of object '\10.251.105.2q$___(GADM)___(GADM)_________img-X29090617Thumbs.db' failed
ANS1312E Server media mount not possible......省略


高手救助。。。