日期:2014-05-16  浏览次数:20772 次

1.4TB ASM(RAC) 磁盘损坏恢复小记

这周折腾了2天的时间帮客户成功恢复了一套近1.4TB的10.2.0.5 RAC(ASM). 该库在3月4号直接crash了。

大家可以看到,该库在开始报错读取redo,controlfile报错,本质原因是DISKGROUP dismount了,信息如下:

 

Tue Mar 04 18:09:59 CST 2014
Errors in file /home/oraprod/10.2.0/db/admin/xxxx/bdump/xxxx_lgwr_15943.trc:
ORA-00345: redo log write error block 68145 count 5
ORA-00312: online log 6 thread 2: '+DATA/xxxx/onlinelog/o2_t2_redo3.log'
ORA-15078: ASM diskgroup was forcibly dismounted
Tue Mar 04 18:09:59 CST 2014
SUCCESS: diskgroup DATA was dismounted
SUCCESS: diskgroup DATA was dismounted
Tue Mar 04 18:10:00 CST 2014
Errors in file /home/oraprod/10.2.0/db/admin/xxxx/bdump/xxxx_lmon_15892.trc:
ORA-00202: control file: '+DATA/xxxx/controlfile/o1_mf_4g1zr1yo_.ctl'
ORA-15078: ASM diskgroup was forcibly dismounted
Tue Mar 04 18:10:00 CST 2014
KCF: write/open error block=0x1f41e online=1
file=31 +DATA/xxxx/datafile/apps_ts_queues.310.692585175
error=15078 txt: ''
Tue Mar 04 18:10:00 CST 2014
KCF: write/open error block=0x47d5d online=1
file=51 +DATA/xxx/datafile/apps_ts_tx_data.353.692593409
error=15078 txt: ''
Tue Mar 04 18:10:00 CST 2014
Errors in file /home/oraprod/10.2.0/db/admin/xxxx/bdump/xxxx_dbw2_15939.trc:
ORA-00202: control file: '+DATA/prod/controlfile/o1_mf_4g1zr1yo_.ctl'
ORA-15078: ASM diskgroup was forcibly dismounted
Tue Mar 04 18:10:00 CST 2014
KCF: write/open error block=0x47d5b online=1
file=51 +DATA/prod/datafile/apps_ts_tx_data.353.692593409
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