日志过大导致不能启动

问：有个问题问一下，关于SYBASE的：我打开数据库总是提醒：cannot open transaction log file-----cannot use log file "hms2000.log" since it is shorter than experted。我直接删除了日志，也不能正常启动，说找不到文件。请问这是怎么回事啊？附上出错的日志记录：I. 10/09 09:58:38. Sybase Adaptive server Anywhere Network server Version 7.0.2.1402 aIo`<
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I. 10/09 09:58:38. This software contains confidential and trade secret information of 4g%VYa  
I. 10/09 09:58:38. Sybase, Inc.　Use, duplication or disclosure of the software and 2k+|N*?ib  
I. 10/09 09:58:38. documentation by the U.S. Government is subject to restrictions set forth e7d$o*Tf~P  
I. 10/09 09:58:38. in a license agreement between the Government and Sybase, Inc. or other 33lJI M,1  
I. 10/09 09:58:38. written agreement specifying the Government's rights to use the software 4E;J)WK^W  
I. 10/09 09:58:38. and any applicable FAR provisions, for example, FAR 52.227-19. \1+O=nXC  
I. 10/09 09:58:38.　 ]C4yX !q  
I. 10/09 09:58:38. Copyright 1989-2000 Sybase, Inc.　All rights reserved. t[VpHriw  
I. 10/09 09:58:38. All unpublished rights reserved. & n"s|  
I. 10/09 09:58:38.　 g]O`(I~  
I. 10/09 09:58:38. Sybase, Inc. 6475 Christie Avenue, Emeryville, CA 94608, USA _fIQV?  
I. 10/09 09:58:38. Networked Seat (per-seat) model. Access to the server is limited to 99 seat(s). {4 U m"|E  
I. 10/09 09:58:38. This server is licensed to: R e}+AG7  
I. 10/09 09:58:38.　　lb 7,P!6f!B  
I. 10/09 09:58:38.　　 L}b*R^,>  
I. 10/09 09:58:38. 10240K of memory used for caching <6Nu.+  
I. 10/09 09:58:38. Minimum cache size: 10240K, maximum cache size: 230848K ?hX8uX,u  
I. 10/09 09:58:38. Using a maximum page size of 1024 bytes 8KAzdyv|  
I. 10/09 09:58:38. Starting database "XXXXXXX" (C:Program Filessybase数据服务器XXXXXXX.db) at Sun Oct 09 2005 09:58 ~SL(Pf.>L  
I. 10/09 09:58:38. Database recovery in progress 5O^Nj$  
I. 10/09 09:58:38.　　Last checkpoint at Sat Oct 08 2005 19:15 )&2A2JgSV  
I. 10/09 09:58:38.　　Checkpoint log... Z lo7c(~  
I. 10/09 09:59:03.　　Transaction log: XXXXXXX.LOG... ~)JnG-.68  
E. 10/09 09:59:03. Error: Cannot open transaction log file -- Can't use log file "XXXXXXX.LOG" since it is shorter than expected v0 &T)}J  
I. 10/09 09:59:03. Error: Cannot open transaction log file -- Can't use log file "XXXXXXX.LOG" since it is shorter than expected qWYW(Lbzc  
E. 10/09 09:59:03. Cannot open transaction log file -- Can't use log file "XXXXXXX.LOG" since it is shorter than expected soOzw<~1  
I. 10/09 09:59:04. Database server stopped at Sun Oct 09 2005 09:59 S$?7t1  
I. 10/09 10:58:33. Sybase Adaptive server Anywhere Network server Version 7.0.2.1402 < FXVb7  
I. 10/09 10:58:33. This software contains confidential and trade secret information of 9.qsC4zW]~  
I. 10/09 10:58:33. Sybase, Inc.　Use, duplication or disclosure of the software and iSQOn'L  
I. 10/09 10:58:33. documentation by the U.S. Government is subject to restrictions set forth wj;i )E  
I. 10/09 10:58:33. in a license agreement between the Government and Sybase, Inc. or other )%\Ok#1D  
I. 10/09 10:58:33. written agreement specifying the Government's rights to use the software 8zZ\uNA  
I. 10/09 10:58:33. and any applicable FAR provisions, for example, FAR 52.227-19. \>qO"F)Z  
I. 10/09 10:58:33.　 \C<U Sm  
I. 10/09 10:58:33. Copyright 1989-2000 Sybase, Inc.　All rights reserved.