急！请教：ALRT日志中的信息，请帮我分析一下

yt_zyp

ALRT日志文件中有大量的如下信息，最后数据库的实例被中断，是何原因？请各位大虾帮帮我
。。。
Thread 1 advanced to log sequence 24273
  Current log# 3 seq# 24273 mem# 0: Z:\ORACLE\ORADATA\ENERGYDB\REDO01.LOG
Thread 1 advanced to log sequence 24274
  Current log# 1 seq# 24274 mem# 0: Z:\ORACLE\ORADATA\ENERGYDB\REDO03.LOG
Thread 1 advanced to log sequence 24275
  Current log# 2 seq# 24275 mem# 0: Z:\ORACLE\ORADATA\ENERGYDB\REDO02.LOG
Thread 1 advanced to log sequence 24276
  Current log# 3 seq# 24276 mem# 0: Z:\ORACLE\ORADATA\ENERGYDB\REDO01.LOG
Thread 1 advanced to log sequence 24277
  Current log# 1 seq# 24277 mem# 0: Z:\ORACLE\ORADATA\ENERGYDB\REDO03.LOG
Fri Nov 07 20:29:08 2003
Thread 1 advanced to log sequence 24278
  Current log# 2 seq# 24278 mem# 0: Z:\ORACLE\ORADATA\ENERGYDB\REDO02.LOG
Thread 1 advanced to log sequence 24279
  Current log# 3 seq# 24279 mem# 0: Z:\ORACLE\ORADATA\ENERGYDB\REDO01.LOG
Thread 1 advanced to log sequence 24280
  Current log# 1 seq# 24280 mem# 0: Z:\ORACLE\ORADATA\ENERGYDB\REDO03.LOG
Thread 1 advanced to log sequence 24281
  Current log# 2 seq# 24281 mem# 0: Z:\ORACLE\ORADATA\ENERGYDB\REDO02.LOG
Thread 1 advanced to log sequence 24282
  Current log# 3 seq# 24282 mem# 0: Z:\ORACLE\ORADATA\ENERGYDB\REDO01.LOG
Thread 1 advanced to log sequence 24283
  Current log# 1 seq# 24283 mem# 0: Z:\ORACLE\ORADATA\ENERGYDB\REDO03.LOG
Thread 1 advanced to log sequence 24284
  Current log# 2 seq# 24284 mem# 0: Z:\ORACLE\ORADATA\ENERGYDB\REDO02.LOG
Thread 1 advanced to log sequence 24285
  Current log# 3 seq# 24285 mem# 0: Z:\ORACLE\ORADATA\ENERGYDB\REDO01.LOG
Thread 1 advanced to log sequence 24286
  Current log# 1 seq# 24286 mem# 0: Z:\ORACLE\ORADATA\ENERGYDB\REDO03.LOG
Thread 1 advanced to log sequence 24287
  Current log# 2 seq# 24287 mem# 0: Z:\ORACLE\ORADATA\ENERGYDB\REDO02.LOG
LGWR: terminating instance due to error 340
Instance terminated by LGWR, pid = 1452

txfy

看看logwriter进程的警告日志有吗？应该是logwriter进程产生的错误！