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Abnormal recovery of virtual machine Oracle -- Xi Fenfei
2022-07-05 17:34:00 【Xi Fenfei】
A customer database is placed in x Above the clouds , The Database disk needs to be expanded , Snapshot the disk before expansion , I didn't expect the tragedy to happen
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As shown above , The customer's data files are placed in /dev/vdb It's in , But unfortunately ,redo Files in /data in ( That is to say vda In disk group ), Not snapshot , Result customer restore vdb After the snapshot , The findings are as follows
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Through the above analysis , The library is equivalent to data files and redo There is a time difference between the files , And the library is not archived , Based on this situation , This library can only be opened forcibly , Encountered during opening ORA-600 ktpridestroy2 error
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Corresponding trace file
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Through analysis, it is confirmed that the error is related to parallel recovery , After bypassing the error , Try to start the library again, and the error is ORA-600 4137
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This error is common , Generally due to undo There are abnormal transactions in , Handle abnormal transactions , database open success , And successfully import data into the new database , Complete this data recovery
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