load sybase 出错，请求帮助，急急急急急急

redhat 9.0 .sybase 11.0.3
用 dump database db_jc to "/opt/sybase/aaa.dat" 备份成功
但 load database db_jc from "/opt/sybase/aaa.dat"
提示以下错误

Server Message: Number 3216, Severity 10
Line 1:
Backup Server session id is: 7. Use this value when executing the 'sp_volchanged' system stored procedure after fulfilling any volume change request from the Backup Server.
Server Message: Number 403002, Severity 2
Server 'SYB_BACKUP', Procedure 'bs_read_header', Line 0:
Backup Server: 4.30.2.3: Volume validation error: attempt to open /opt/sybase/de_data.dat returned Permission denied.
Server Message: Number 402702, Severity 2
Server 'SYB_BACKUP', Procedure 'bs_read_header', Line 0:
Backup Server: 4.27.2.1: Volume validation error: attempt to close /opt/sybase/de_data.dat returned Bad file descriptor.
Server Message: Number 402702, Severity 2
Server 'SYB_BACKUP', Procedure 'bs_read_header', Line 0:
Backup Server: 4.27.2.1: Volume validation error: attempt to close /opt/sybase/de_index.dat returned Bad file descriptor.
Server Message: Number 402702, Severity 2
Server 'SYB_BACKUP', Procedure 'bs_read_header', Line 0:
Backup Server: 4.27.2.1: Volume validation error: attempt to close /opt/sybase/de_log.dat returned Bad file descriptor.
Server Message: Number 8009, Severity 16
Line 1:
Error encountered by Backup Server. Please refer to Backup Server messages for details.
*****请求帮助，无法load 数据库。*****　　　　　　

看样子是权限问题，root or 非root，数据库是否正在open？