아래의 dump 쿼리를 매일 자동으로 실행시키고 있습니다. 며칠전까지는 잘 되었었는데 3일전부터 아래의 메시지가 나오면서 안됩니다.

도와주세요.

sybase@host:/> isql -Usa
Password:
1> dump database TESTDB to '/sybase/DBA/backup/data/testdb_data.dmp'
2> go
Backup Server session id is: 45. Use this value when executing the
'sp_volchanged' system stored procedure after fulfilling any volume change
request from the Backup Server.
Backup Server: 4.41.1.1: Creating new disk file
/sybase/DBA/backup/data/testdb_data.dmp.
Backup Server: 4.7.2.1: Device /sybase/DBA/backup/data/testdb_data.dmp already in
use.
Msg 8009, Level 16, State 1:
Server 'TESTDB', Line 1:
Error encountered by Backup Server. Please refer to Backup Server messages for
details.
1>