we are use NBU backup data  to the NAS ,the nas use cifs protocol,we are found 
following question:

2012/3/8 18:16:49 - Critical bptm(pid=3712) image write failed: error 2060017: 
system call failed     
2012/3/8 18:16:58 - Critical bptm(pid=3712) sts_close_handle failed: 2060017 
system call failed       
2012/3/8 18:16:58 - Error bptm(pid=3712) cannot write image to disk, Invalid 
argument      
2012/3/8 18:16:58 - Info bphdb(pid=6150) done. status: 6          
2012/3/8 18:16:58 - Info bptm(pid=3712) EXITING with status 84 <----------      
  
2012/3/8 18:16:58 - end writing; write time: 00:03:02
media write error(84)
2012/3/8 18:17:03 - Info bphdb(pid=6150) done. status: 84: media write error    
   

please backup expert help me to solve this question ,thank you .

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