Unable to take DB13 archivelog backup on tape - new tapedrive installed

Hi,

We have installed new tapedrive and while taking the archive log backup from DB13 it is giving the following errors

(ECC 6.0, Oracle 10.2.0.2, Win2k3)

BR0280I BRARCHIVE time stamp: 2010-04-20 15.19.03

BR0008I Offline redo log processing for database instance: DEV

BR0009I BRARCHIVE action ID: aedazpgn

BR0010I BRARCHIVE function ID: cds

BR0048I Archive function: copy_delete_save

BR0011I 44 offline redo log files found for processing, total size 2082.087 MB

BR0112I Files will not be compressed

BR0130I Backup device type: tape

BR0102I Following backup device will be used: /dev/nmt0

BR0103I Following backup volume will be used: DEVA08

BR0134I Unattended mode with 'force' active - no operator confirmation allowed

BR0208I Volume with name DEVA08 required in device /dev/nmt0

BR0280I BRARCHIVE time stamp: 2010-04-20 15.19.03

BR0226I Rewinding tape volume in device /dev/mt0 ...

BR0351I Restoring F:\oracle\DEV\sapreorg\.tape.hdr0

BR0355I from /dev/nmt0 ...

BR0241I Checking label on volume in device /dev/nmt0

BR0242I Scratch volume in device /dev/nmt0 will be renamed to DEVA08

BR0280I BRARCHIVE time stamp: 2010-04-20 15.19.03

BR0226I Rewinding tape volume in device /dev/mt0 ...

BR0202I Saving F:\oracle\DEV\sapreorg\.tape.hdr0

BR0203I to /dev/nmt0 ...

BR0209I Volume in device /dev/nmt0 has name DEVA08

BR0202I Saving init_ora

BR0203I to /dev/nmt0 ...

BR0202I Saving L:\oracle\DEV\102\database\initdev.sap

BR0203I to /dev/nmt0 ...

BR0280I BRARCHIVE time stamp: 2010-04-20 15.19.16

BR0198I Profiles saved successfully

BR0202I Saving M:\oracle\DEV\oraarch\DEVARCHARC07424_0629125750.001

BR0203I to /dev/nmt0 ...

BR0278E Command output of 'dd bs=128k conv=sync if=M:\oracle\DEV\oraarch\DEVARCHARC07424_0629125750.001 of=/dev/nmt0':

dd: unable to initialize ASPI manager

dd: using NT tape support

dd: The request could not be performed because of an I/O device error.

dd: write error: The request could not be performed because of an I/O device error.

51+0 records in

50+0 records out

1 write error

dd: The request could not be performed because of an I/O device error.

BR0280I BRARCHIVE time stamp: 2010-04-20 16.19.22

BR0279E Return code from 'dd bs=128k conv=sync if=M:\oracle\DEV\oraarch\DEVARCHARC07424_0629125750.001 of=/dev/nmt0': 1

BR0222E Copying M:\oracle\DEV\oraarch\DEVARCHARC07424_0629125750.001 to/from /dev/nmt0 failed due to previous errors

BR0016I 0 offline redo log files processed, total size 0.000 MB

BR0007I End of offline redo log processing: aedazpgn.cds 2010-04-20 16.19.22

BR0280I BRARCHIVE time stamp: 2010-04-20 16.19.22

BR0005I BRARCHIVE terminated with errors

We are able to take OS backup and restore it.