无法启动oracleserviceorcl服务，错误1053，硬盘狂转

ALLSTARS_ORACLE

XP系统，oracle11g，在导大数据量过程中人为中断后，重启机器，oracleservice启动不了，期间硬盘一直在狂转，根据oracle日志估计是由于中断后需要回滚事务导致IO操作，经过10小时硬盘依然在狂转，想请教如何快速恢复之前正常运行时的数据库，谢谢：）
Mon Jun 11 22:39:26 2012
ARC1 started with pid=24, OS id=5532
Mon Jun 11 22:39:26 2012
ARC2 started with pid=25, OS id=5600
ARC1: Archival started
ARC2: Archival started
ARC1: Becoming the 'no FAL' ARCH
ARC1: Becoming the 'no SRL' ARCH
ARC2: Becoming the heartbeat ARCH
Thread 1 advanced to log sequence 2 (thread open)
Mon Jun 11 22:39:26 2012
ARC3 started with pid=26, OS id=4148
ARC3: Archival started
ARC0: STARTING ARCH PROCESSES COMPLETE
Thread 1 opened at log sequence 2
  Current log# 2 seq# 2 mem# 0: G:\APP\ADMINISTRATOR\ORADATA\ORCL\REDO02.LOG
Successful open of redo thread 1
MTTR advisory is disabled because FAST_START_MTTR_TARGET is not set
Mon Jun 11 22:39:28 2012
SMON: enabling cache recovery