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有客户qq找到我,说有朋友推荐,让我帮他们恢复数据库.由于强制关机后,数据库无法正常启动.
数据库recover database失败
Mon Mar 28 10:20:33 2016 ALTER DATABASE RECOVER database Media Recovery Start started logmerger process Parallel Media Recovery started with 32 slaves Mon Mar 28 10:20:36 2016 Recovery of Online Redo Log: Thread 1 Group 2 Seq 18686 Reading mem 0 Mem# 0: E:\ORACLE_DATA\YCCY\REDO02.LOG Recovery of Online Redo Log: Thread 1 Group 3 Seq 18687 Reading mem 0 Mem# 0: E:\ORACLE_DATA\YCCY\REDO03.LOG Recovery of Online Redo Log: Thread 1 Group 1 Seq 18688 Reading mem 0 Mem# 0: E:\ORACLE_DATA\YCCY\REDO01.LOG Mon Mar 28 10:20:38 2016 Hex dump of (file 45, block 7431) in trace file d:\oracle\diag\rdbms\yccy\yccy\trace\yccy_pr0q_2968.trc Corrupt block relative dba: 0x0b401d07 (file 45, block 7431) Mon Mar 28 10:20:38 2016 Hex dump of (file 45, block 7836) in trace file d:\oracle\diag\rdbms\yccy\yccy\trace\yccy_pr01_2220.trc Bad header found during media recovery Corrupt block relative dba: 0x0b401e9c (file 45, block 7836) Data in bad block: Bad header found during media recovery type: 0 format: 0 rdba: 0x1d070000 last change scn: 0x4917.f8dc0b40 seq: 0x0 flg: 0x00 spare1: 0x6 spare2: 0xa2 spare3: 0xc7f7 consistency value in tail: 0x06010000 check value in block header: 0x601 block checksum disabled Reading datafile 'E:\ORACLE_DATA\YCCY\DT_SYS_IDX12.DBF' for corruption at rdba: 0x0b401d07 (file 45, block 7431) Reread (file 45, block 7431) found valid data Repaired corruption at (file 45, block 7431) Hex dump of (file 45, block 7556) in trace file d:\oracle\diag\rdbms\yccy\yccy\trace\yccy_pr0q_2968.trc Corrupt block relative dba: 0x0b401d84 (file 45, block 7556) Bad header found during media recovery Data in bad block: type: 106 format: 3 rdba: 0x1d840000 last change scn: 0x461d.391a0b40 seq: 0x0 flg: 0x00 spare1: 0x6 spare2: 0xa2 spare3: 0x2499 consistency value in tail: 0x06013999 check value in block header: 0x401 block checksum disabled Reading datafile 'E:\ORACLE_DATA\YCCY\DT_SYS_IDX12.DBF' for corruption at rdba: 0x0b401d84 (file 45, block 7556) Reread (file 45, block 7556) found valid data Repaired corruption at (file 45, block 7556) Mon Mar 28 10:20:38 2016 Exception [type: ACCESS_VIOLATION, UNABLE_TO_READ] [ADDR:0xFFFFFFFFFFFFFFFF] [PC:0x1334748, kcbzfw()+3094] Mon Mar 28 10:20:39 2016 Errors in file d:\oracle\diag\rdbms\yccy\yccy\trace\yccy_pr0k_3900.trc (incident=131189): ORA-00600: internal error code, arguments: [kcbr_validate_read_1], [], [], [], [], [], [], [], [], [], [], [] Incident details in: d:\oracle\diag\rdbms\yccy\yccy\incident\incdir_131189\yccy_pr0k_3900_i131189.trc ERROR: Unable to normalize symbol name for the following short stack (at offset 199): Errors in file d:\oracle\diag\rdbms\yccy\yccy\trace\yccy_pr0r_3060.trc (incident=131245): ORA-07445: exception encountered: core dump [kcbzfw()+3094] [ACCESS_VIOLATION] [ADDR:0xFFFFFFFFFFFFFFFF] [PC:0x1334748] [UNABLE_TO_READ] [] ORA-10567: Redo is inconsistent with data block (file# 5, block# 169345, file offset is 1387274240 bytes) ORA-10564: tablespace DT_SYS_DAT ORA-01110: data file 5: 'E:\ORACLE_DATA\YCCY\DT_SYS_DAT.ORA' ORA-10560: block type 'FIRST LEVEL BITMAP BLOCK' Incident details in: d:\oracle\diag\rdbms\yccy\yccy\incident\incdir_131245\yccy_pr0r_3060_i131245.trc Exception [type: ACCESS_VIOLATION, UNABLE_TO_READ] [ADDR:0xFFFFFFFFFFFFFFFF] [PC:0x12EC62C, kcbzdh()+942] Mon Mar 28 10:20:39 2016 Errors in file d:\oracle\diag\rdbms\yccy\yccy\trace\yccy_pr0d_2112.trc (incident=131133): ORA-00600: internal error code, arguments: [kcbrapply_12], [], [], [], [], [], [], [], [], [], [], [] Incident details in: d:\oracle\diag\rdbms\yccy\yccy\incident\incdir_131133\yccy_pr0d_2112_i131133.trc Mon Mar 28 10:20:39 2016 Errors in file d:\oracle\diag\rdbms\yccy\yccy\trace\yccy_pr0e_3260.trc (incident=131141): ORA-00600: internal error code, arguments: [3020], [5], [163457], [21134977], [], [], [], [], [], [], [], [] ORA-10567: Redo is inconsistent with data block (file# 5, block# 163457, file offset is 1339039744 bytes) ORA-10564: tablespace DT_SYS_DAT ORA-01110: data file 5: 'E:\ORACLE_DATA\YCCY\DT_SYS_DAT.ORA' ORA-10560: block type 'FIRST LEVEL BITMAP BLOCK' Incident details in: d:\oracle\diag\rdbms\yccy\yccy\incident\incdir_131141\yccy_pr0e_3260_i131141.trc Mon Mar 28 10:20:39 2016 Errors in file d:\oracle\diag\rdbms\yccy\yccy\trace\yccy_pr04_3980.trc (incident=131021): ORA-00600: internal error code, arguments: [kcbrapply_12], [], [], [], [], [], [], [], [], [], [], [] Incident details in: d:\oracle\diag\rdbms\yccy\yccy\incident\incdir_131021\yccy_pr04_3980_i131021.trc Data in bad block: type: 0 format: 0 rdba: 0x1e9c0000 last change scn: 0x4915.f8320b40 seq: 0x0 flg: 0x00 spare1: 0x6 spare2: 0xa2 spare3: 0x8029 consistency value in tail: 0x0602e40c check value in block header: 0x602 block checksum disabled Reading datafile 'E:\ORACLE_DATA\YCCY\DT_SYS_IDX12.DBF' for corruption at rdba: 0x0b401e9c (file 45, block 7836) Reread (file 45, block 7836) found valid data Repaired corruption at (file 45, block 7836) Mon Mar 28 10:20:39 2016 Errors in file d:\oracle\diag\rdbms\yccy\yccy\trace\yccy_pr0f_816.trc (incident=131149): ORA-00600: internal error code, arguments: [kcbr_validate_read_1], [], [], [], [], [], [], [], [], [], [], [] Incident details in: d:\oracle\diag\rdbms\yccy\yccy\incident\incdir_131149\yccy_pr0f_816_i131149.trc Exception [type: ACCESS_VIOLATION, UNABLE_TO_READ] [ADDR:0xFFFFFFFFFFFFFFFF] [PC:0x12EC62C, kcbzdh()+942] Mon Mar 28 10:20:39 2016 Errors in file d:\oracle\diag\rdbms\yccy\yccy\trace\yccy_pr0i_2132.trc (incident=131173): ORA-00600: internal error code, arguments: [3020], [5], [154240], [21125760], [], [], [], [], [], [], [], [] ORA-10567: Redo is inconsistent with data block (file# 5, block# 154240, file offset is 1263534080 bytes) ORA-10564: tablespace DT_SYS_DAT ORA-01110: data file 5: 'E:\ORACLE_DATA\YCCY\DT_SYS_DAT.ORA' ORA-10560: block type 'FIRST LEVEL BITMAP BLOCK' Incident details in: d:\oracle\diag\rdbms\yccy\yccy\incident\incdir_131173\yccy_pr0i_2132_i131173.trc Errors in file d:\oracle\diag\rdbms\yccy\yccy\trace\yccy_pr0k_3900.trc (incident=131190): ORA-07445: exception encountered: core dump [kcbzdh()+942] [ACCESS_VIOLATION] [ADDR:0xFFFFFFFFFFFFFFFF] [PC:0x12EC62C] [UNABLE_TO_READ] [] ORA-00600: internal error code, arguments: [kcbr_validate_read_1], [], [], [], [], [], [], [], [], [], [], [] Incident details in: d:\oracle\diag\rdbms\yccy\yccy\incident\incdir_131190\yccy_pr0k_3900_i131190.trc Errors in file d:\oracle\diag\rdbms\yccy\yccy\trace\yccy_pr01_2220.trc (incident=131037): ORA-00600: internal error code, arguments: [kcbrapply_14], [], [], [], [], [], [], [], [], [], [], [] Incident details in: d:\oracle\diag\rdbms\yccy\yccy\incident\incdir_131037\yccy_pr01_2220_i131037.trc Exception [type: ACCESS_VIOLATION, UNABLE_TO_READ] [ADDR:0xFFFFFFFFFFFFFFFF] [PC:0x12EC62C, kcbzdh()+942] Errors in file d:\oracle\diag\rdbms\yccy\yccy\trace\yccy_pr0f_816.trc (incident=131150): ORA-07445: exception encountered: core dump [kcbzdh()+942] [ACCESS_VIOLATION] [ADDR:0xFFFFFFFFFFFFFFFF] [PC:0x12EC62C] [UNABLE_TO_READ] [] ORA-00600: internal error code, arguments: [kcbr_validate_read_1], [], [], [], [], [], [], [], [], [], [], [] Incident details in: d:\oracle\diag\rdbms\yccy\yccy\incident\incdir_131150\yccy_pr0f_816_i131150.trc Errors in file d:\oracle\diag\rdbms\yccy\yccy\trace\yccy_pr01_2220.trc (incident=131038): ORA-07445: exception encountered: core dump [kcbzdh()+942] [ACCESS_VIOLATION] [ADDR:0xFFFFFFFFFFFFFFFF] [PC:0x12EC62C] [UNABLE_TO_READ] [] ORA-00600: internal error code, arguments: [kcbrapply_14], [], [], [], [], [], [], [], [], [], [], [] Incident details in: d:\oracle\diag\rdbms\yccy\yccy\incident\incdir_131038\yccy_pr01_2220_i131038.trc Mon Mar 28 10:20:39 2016 Errors in file d:\oracle\diag\rdbms\yccy\yccy\trace\yccy_pr0h_4036.trc (incident=131165): ORA-00600: internal error code, arguments: [kcbr_validate_read_1], [], [], [], [], [], [], [], [], [], [], [] Incident details in: d:\oracle\diag\rdbms\yccy\yccy\incident\incdir_131165\yccy_pr0h_4036_i131165.trc Exception [type: ACCESS_VIOLATION, UNABLE_TO_READ] [ADDR:0xFFFFFFFFFFFFFFFF] [PC:0x12EC62C, kcbzdh()+942] Exception [type: ACCESS_VIOLATION, UNABLE_TO_READ] [ADDR:0xFFFFFFFFFFFFFFFF] [PC:0x12EC13B, kcbzpnd()+299] Exception [type: ACCESS_VIOLATION, UNABLE_TO_READ] [ADDR:0xFFFFFFFFFFFFFFFF] [PC:0x1351BB9, kcbs_dump_adv_state()+1529] Exception [type: ACCESS_VIOLATION, UNABLE_TO_READ] [ADDR:0xFFFFFFFFFFFFFFFF] [PC:0x12EC13B, kcbzpnd()+299] Errors in file d:\oracle\diag\rdbms\yccy\yccy\trace\yccy_pr0h_4036.trc (incident=131166): ORA-07445: exception encountered: core dump [kcbzdh()+942] [ACCESS_VIOLATION] [ADDR:0xFFFFFFFFFFFFFFFF] [PC:0x12EC62C] [UNABLE_TO_READ] [] ORA-00600: internal error code, arguments: [kcbr_validate_read_1], [], [], [], [], [], [], [], [], [], [], [] Incident details in: d:\oracle\diag\rdbms\yccy\yccy\incident\incdir_131166\yccy_pr0h_4036_i131166.trc Exception [type: ACCESS_VIOLATION, UNABLE_TO_READ] [ADDR:0xFFFFFFFFFFFFFFFF] [PC:0x12EC13B, kcbzpnd()+299] Mon Mar 28 10:20:40 2016 Checker run found 60 new persistent data failures Errors in file d:\oracle\diag\rdbms\yccy\yccy\trace\yccy_pr0d_2112.trc (incident=131134): ORA-07445: exception encountered: core dump [kcbzpnd()+299] [ACCESS_VIOLATION] [ADDR:0xFFFFFFFFFFFFFFFF] [PC:0x12EC13B] [UNABLE_TO_READ] [] ORA-00600: internal error code, arguments: [kcbrapply_12], [], [], [], [], [], [], [], [], [], [], [] Incident details in: d:\oracle\diag\rdbms\yccy\yccy\incident\incdir_131134\yccy_pr0d_2112_i131134.trc Errors in file d:\oracle\diag\rdbms\yccy\yccy\trace\yccy_pr04_3980.trc (incident=131022): ORA-07445: exception encountered: core dump [kcbs_dump_adv_state()+1529] [ACCESS_VIOLATION] [ADDR:0xFFFFFFFFFFFFFFFF] [PC:0x1351BB9] [UNABLE_TO_READ] [] ORA-00600: internal error code, arguments: [kcbrapply_12], [], [], [], [], [], [], [], [], [], [], [] Incident details in: d:\oracle\diag\rdbms\yccy\yccy\incident\incdir_131022\yccy_pr04_3980_i131022.trc Errors in file d:\oracle\diag\rdbms\yccy\yccy\trace\yccy_pr0e_3260.trc (incident=131142): ORA-07445: exception encountered: core dump [kcbzpnd()+299] [ACCESS_VIOLATION] [ADDR:0xFFFFFFFFFFFFFFFF] [PC:0x12EC13B] [UNABLE_TO_READ] [] ORA-00600: internal error code, arguments: [3020], [5], [163457], [21134977], [], [], [], [], [], [], [], [] ORA-10567: Redo is inconsistent with data block (file# 5, block# 163457, file offset is 1339039744 bytes) ORA-10564: tablespace DT_SYS_DAT ORA-01110: data file 5: 'E:\ORACLE_DATA\YCCY\DT_SYS_DAT.ORA' ORA-10560: block type 'FIRST LEVEL BITMAP BLOCK' Incident details in: d:\oracle\diag\rdbms\yccy\yccy\incident\incdir_131142\yccy_pr0e_3260_i131142.trc Mon Mar 28 10:20:41 2016 Trace dumping is performing id=[cdmp_20160328102041] Errors in file d:\oracle\diag\rdbms\yccy\yccy\trace\yccy_pr0i_2132.trc (incident=131174): ORA-07445: exception encountered: core dump [kcbzpnd()+299] [ACCESS_VIOLATION] [ADDR:0xFFFFFFFFFFFFFFFF] [PC:0x12EC13B] [UNABLE_TO_READ] [] ORA-00600: internal error code, arguments: [3020], [5], [154240], [21125760], [], [], [], [], [], [], [], [] ORA-10567: Redo is inconsistent with data block (file# 5, block# 154240, file offset is 1263534080 bytes) ORA-10564: tablespace DT_SYS_DAT ORA-01110: data file 5: 'E:\ORACLE_DATA\YCCY\DT_SYS_DAT.ORA' ORA-10560: block type 'FIRST LEVEL BITMAP BLOCK' Incident details in: d:\oracle\diag\rdbms\yccy\yccy\incident\incdir_131174\yccy_pr0i_2132_i131174.trc Mon Mar 28 10:20:41 2016 Exception [type: ACCESS_VIOLATION, UNABLE_TO_READ] [ADDR:0x2E7FFFFFE] [PC:0x74CAE3F0, 0000000074CAE3F0] Errors in file d:\oracle\diag\rdbms\yccy\yccy\trace\yccy_pr06_2684.trc (incident=131077): ORA-07445: exception encountered: core dump [PC:0x74CAE3F0] [ACCESS_VIOLATION] [ADDR:0x2E7FFFFFE] [PC:0x74CAE3F0] [UNABLE_TO_READ] [] Incident details in: d:\oracle\diag\rdbms\yccy\yccy\incident\incdir_131077\yccy_pr06_2684_i131077.trc Mon Mar 28 10:20:42 2016 Exception [type: ACCESS_VIOLATION, UNABLE_TO_WRITE] [ADDR:0x0] [PC:0x4D20D2, kslgetl()+54] Mon Mar 28 10:20:42 2016 Errors in file d:\oracle\diag\rdbms\yccy\yccy\trace\yccy_pmon_3856.trc (incident=130853): ORA-07445: exception encountered: core dump [kslgetl()+54] [ACCESS_VIOLATION] [ADDR:0x0] [PC:0x4D20D2] [UNABLE_TO_WRITE] [] Incident details in: d:\oracle\diag\rdbms\yccy\yccy\incident\incdir_130853\yccy_pmon_3856_i130853.trc Trace dumping is performing id=[cdmp_20160328102042] Errors in file d:\oracle\diag\rdbms\yccy\yccy\incident\incdir_131077\yccy_pr06_2684_i131077.trc: ORA-00607: Internal error occurred while making a change to a data block ORA-00602: internal programming exception ORA-07445: exception encountered: core dump [PC:0x74CAE3F0] [ACCESS_VIOLATION] [ADDR:0x2E7FFFFFE] [PC:0x74CAE3F0] [UNABLE_TO_READ] [] Process debug not enabled via parameter _debug_enable Trace dumping is performing id=[cdmp_20160328102043] Mon Mar 28 10:21:01 2016 RECO (ospid: 3524): terminating the instance due to error 472 Instance terminated by RECO, pid = 3524
通过观察这段日志,基本上可以发现主要是FILE 45,虽然提示坏块但是最终验证确定为正常块（类似：Reread (file 45, block 7836) found valid data),这里主要是file 5，报了大量的ORA-600[3020].
对数据文件逐个进行recover操作
SQL> startup mount; ORACLE 例程已经启动。 Total System Global Area 1.7103E+10 bytes Fixed Size 2192864 bytes Variable Size 9059699232 bytes Database Buffers 8019509248 bytes Redo Buffers 21762048 bytes 数据库装载完毕。 SQL> recover datafile 1; 完成介质恢复。 SQL> recover datafile 2; ORA-03113: 通信通道的文件结尾 进程 ID: 1652 会话 ID: 551 序列号: 55 SQL> recover datafile 3; 完成介质恢复。 SQL> recover datafile 4; 完成介质恢复。 SQL> recover datafile 5; ORA-03113: 通信通道的文件结尾 进程 ID: 4900 会话 ID: 551 序列号: 56131 SQL> recover datafile 6; 完成介质恢复。 ………… SQL> recover datafile 63; 完成介质恢复。 SQL> recover datafile 64; 完成介质恢复。
除掉datafile 2，5之外，其他文件全部recover成功.
对于file 2 尝试处理
无法通过recover成功,只能暂时放弃,后续考虑先offline open库,然后把这个文件强制online
SQL> recover datafile 2 ; ORA-03113: 通信通道的文件结尾 进程 ID: 5020 会话 ID: 551 序列号: 3 Mon Mar 28 10:47:12 2016 ALTER DATABASE RECOVER datafile 2 Media Recovery Start Serial Media Recovery started Recovery of Online Redo Log: Thread 1 Group 1 Seq 18688 Reading mem 0 Mem# 0: E:\ORACLE_DATA\YCCY\REDO01.LOG Exception [type: ACCESS_VIOLATION, UNABLE_TO_READ] [ADDR:0x2E7FFFFFE] [PC:0x74CAE3F0, 0000000074CAE3F0] Errors in file d:\oracle\diag\rdbms\yccy\yccy\trace\yccy_ora_3508.trc (incident=143022): ORA-07445: 出现异常错误: 核心转储 [PC:0x74CAE3F0] [ACCESS_VIOLATION] [ADDR:0x2E7FFFFFE] [PC:0x74CAE3F0] [UNABLE_TO_READ] [] Incident details in: d:\oracle\diag\rdbms\yccy\yccy\incident\incdir_143022\yccy_ora_3508_i143022.trc Errors in file d:\oracle\diag\rdbms\yccy\yccy\incident\incdir_143022\yccy_ora_3508_i143022.trc: ORA-00607: 当更改数据块时出现内部错误 ORA-00602: 内部编程异常错误 ORA-07445: 出现异常错误: 核心转储 [PC:0x74CAE3F0] [ACCESS_VIOLATION] [ADDR:0x2E7FFFFFE] [PC:0x74CAE3F0] [UNABLE_TO_READ] []
对于file 5处理
SQL> recover datafile 5; ORA-00283: 恢复会话因错误而取消 ORA-00600: 内部错误代码, 参数: [3020], [5], [163457], [21134977], [], [], [], [], [], [], [], [] ORA-10567: Redo is inconsistent with data block (file# 5, block# 163457, file offset is 1339039744 bytes) ORA-10564: tablespace DT_SYS_DAT ORA-01110: 数据文件 5: 'E:\ORACLE_DATA\YCCY\DT_SYS_DAT.ORA' ORA-10560: block type 'FIRST LEVEL BITMAP BLOCK' SQL> recover datafile 5 allow 1 corruption; ORA-00283: 恢复会话因错误而取消 ORA-00600: 内部错误代码, 参数: [3020], [5], [162433], [21133953], [], [], [], [], [], [], [], [] ORA-10567: Redo is inconsistent with data block (file# 5, block# 162433, file offset is 1330651136 bytes) ORA-10564: tablespace DT_SYS_DAT ORA-01110: 数据文件 5: 'E:\ORACLE_DATA\YCCY\DT_SYS_DAT.ORA' ORA-10560: block type 'FIRST LEVEL BITMAP BLOCK' SQL> recover datafile 5 allow 1 corruption; ORA-00283: 恢复会话因错误而取消 ORA-00600: 内部错误代码, 参数: [3020], [5], [166272], [21137792], [], [], [], [], [], [], [], [] ORA-10567: Redo is inconsistent with data block (file# 5, block# 166272, file offset is 1362100224 bytes) ORA-10564: tablespace DT_SYS_DAT ORA-01110: 数据文件 5: 'E:\ORACLE_DATA\YCCY\DT_SYS_DAT.ORA' ORA-10560: block type 'FIRST LEVEL BITMAP BLOCK' SQL> recover datafile 5 allow 1 corruption; ORA-00283: 恢复会话因错误而取消 ORA-00600: 内部错误代码, 参数: [3020], [5], [169346], [21140866], [], [], [], [], [], [], [], [] ORA-10567: Redo is inconsistent with data block (file# 5, block# 169346, file offset is 1387282432 bytes) ORA-10564: tablespace DT_SYS_DAT ORA-01110: 数据文件 5: 'E:\ORACLE_DATA\YCCY\DT_SYS_DAT.ORA' ORA-10560: block type 'FIRST LEVEL BITMAP BLOCK' SQL> recover datafile 5 allow 1 corruption; 完成介质恢复。
open数据库并online datafile 2
SQL> startup pfile='d:/pfile.txt' mount;
ORACLE 例程已经启动。
Total System Global Area 1.7103E+10 bytes
Fixed Size 2192864 bytes
Variable Size 9059699232 bytes
Database Buffers 8019509248 bytes
Redo Buffers 21762048 bytes
数据库装载完毕。
SQL> alter database datafile 2 offline;
数据库已更改。
SQL> alter database open;
数据库已更改。
SQL> shutdown immediate;
ORA-03113: 通信通道的文件结尾
SQL> conn / as sysdba
已连接到空闲例程。
SQL> startup pfile='d:/pfile.txt' mount;
ORACLE 例程已经启动。
Total System Global Area 1.7103E+10 bytes
Fixed Size 2192864 bytes
Variable Size 9059699232 bytes
Database Buffers 8019509248 bytes
Redo Buffers 21762048 bytes
数据库装载完毕。
SQL> select group#,status from v$log;
GROUP# STATUS
---------- ----------------
1 INACTIVE
3 INACTIVE
2 CURRENT
SQL> recover database until cancel;
ORA-00279: 更改 1226478477 (在 03/28/2016 20:23:37 生成) 对于线程 1 是必需的
ORA-00289: 建议:
D:\ORACLE\FLASH_RECOVERY_AREA\YCCY\ARCHIVELOG\2016_03_28\O1_MF_1_18689_%U_.ARC
ORA-00280: 更改 1226478477 (用于线程 1) 在序列 #18689 中
指定日志: {<RET>=suggested | filename | AUTO | CANCEL}
E:\ORACLE_DATA\YCCY\REDO02.LOG
已应用的日志。
完成介质恢复。
SQL> alter database datafile 2 online;
数据库已更改。
SQL> alter database open resetlogs;
数据库已更改。
数据库基本上属于正常打开,处理掉3020部分的坏块基本ok
