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首页 / 数据库 / MySQL / Oracle 10g 裸设备数据文件恢复,ORA-19501、ORA-27063

环境说明:
OS:aix 6.1
DB:Oracle 10gR2  裸设备使用rman备份整个数据库备份失败,提示71数据文件失败,单独备份这个数据文件
$ rman target /Recovery Manager: Release 10.2.0.1.0 - Production on Thu Nov 7 09:14:31 2013Copyright (c) 1982, 2005, Oracle.  All rights reserved.connected to target database: ORCL (DBID=1237792397, not open)RMAN>  backup as copy datafile 71 format "/backup_dir/in71_%U";Starting backup at 07-NOV-13
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=1086 devtype=DISK
channel ORA_DISK_1: starting datafile copy
input datafile fno=00071 name=/dev/rdata_03
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of backup command on ORA_DISK_1 channel at 11/07/2013 09:18:10
ORA-19501: read error on file "/dev/rdata_03", blockno 178305 (blocksize=8192)
ORA-27063: number of bytes read/written is incorrect
IBM AIX RISC System/6000 Error: 5: I/O error
Additional information: -1
Additional information: 1048576RMAN> backup check logical validate datafile 71;Starting backup at 07-NOV-13
using channel ORA_DISK_1
channel ORA_DISK_1: starting full datafile backupset
channel ORA_DISK_1: specifying datafile(s) in backupset
input datafile fno=00071 name=/dev/rdata_03
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of backup command on ORA_DISK_1 channel at 11/07/2013 09:47:03
ORA-19501: read error on file "/dev/rdata_03", blockno 178305 (blocksize=8192)
ORA-27063: number of bytes read/written is incorrect
IBM AIX RISC System/6000 Error: 5: I/O error
Additional information: -1
Additional information: 1048576查询坏块个数
SQL> select * from  v$database_block_corruption;no rows selected没有查询到逻辑坏块,猜测为物理坏块,数据库层面还认为是好的数据库造成了读的时候提示I/O error
检查71号文件的数据块个数
SQL> select bytes/8192 from v$datafile where file#=71;BYTES/8192
----------
  1280000
 
 
验证裸设备是否可以读
$ dbv file=/dev/rdata_03 blocksize=8192DBVERIFY: Release 10.2.0.1.0 - Production on Thu Nov 7 09:48:08 2013Copyright (c) 1982, 2005, Oracle.  All rights reserved.DBVERIFY - Verification starting : FILE = /dev/rdata_03DBV-00102: File I/O error on FILE (/dev/rdata_03) during verification read operation (-2) 找出坏块,使用Oracle自带的工具
$ dbv file=/dev/rdata_03 blocksize=8192DBVERIFY: Release 10.2.0.1.0 - Production on Thu Nov 7 09:48:08 2013Copyright (c) 1982, 2005, Oracle.  All rights reserved.DBVERIFY - Verification starting : FILE = /dev/rdata_03DBV-00102: File I/O error on FILE (/dev/rdata_03) during verification read operation (-2)
同时在另一个窗口中查看
$ ps -ef | grep dbv                   
  oracle  598170  593980  38 09:57:42  pts/1  0:00 dbv file=/dev/rdata_03 blocksize=8192
  oracle 1712282  581750  0 09:57:46  pts/0  0:00 grep dbv
$ truss -faieo /tmp/strace.out -p 598170
598170: klseek(5, 746045440, 0, 0x0FFFFFFFFFFF9530)    = 0
...skipping...
598170: kread(5, " ( 011 ???D 5 ??.., 8192)    = 8192
598170: klseek(5, 1461190656, 0, 0x0FFFFFFFFFFF9530)    = 0
598170: kread(5, " ( 011 ???D 5 ??.., 8192)    Err#5  EIO
598170: kwrite(2, " D B V - 0 0 1 0 2 :  ", 12)      = 12
598170: kwrite(2, " F i l e  I / O  e r r".., 24)    = 24
598170: kwrite(2, " / d e v / r d a t a _ c".., 15)    = 15
598170: kwrite(2, " )  d u r i n g  ", 9)              = 9
598170: kwrite(2, " v e r i f i c a t i o n".., 17)    = 17
598170: kwrite(2, "  o p e r a t i o n  (", 12)      = 12
598170: kwrite(2, " -", 1)                              = 1
598170: kwrite(2, " 2", 1)                              = 1
598170: kwrite(2, " )", 1)                              = 1
598170: kwrite(2, " ", 1)                              = 1
598170: close(5)                                        = 0
598170: close(4)                                        = 0
598170: kfcntl(1, F_GETFL, 0x00000000101A2087)          = 67110914
598170: kfcntl(2, F_GETFL, 0x00000000101A2087)          = 67110914
598170: _exit(1)
...skipping...
598170: kread(5, " ( 011 ???D 5 ??.., 8192)    = 8192
598170: klseek(5, 1461190656, 0, 0x0FFFFFFFFFFF9530)    = 0
598170: kread(5, " ( 011 ???D 5 ??.., 8192)    Err#5  EIO
598170: kwrite(2, " D B V - 0 0 1 0 2 :  ", 12)      = 12
598170: kwrite(2, " F i l e  I / O  e r r".., 24)    = 24
598170: kwrite(2, " / d e v / r d a t a _ c".., 15)    = 15
598170: kwrite(2, " )  d u r i n g  ", 9)              = 9
598170: kwrite(2, " v e r i f i c a t i o n".., 17)    = 17
598170: kwrite(2, "  o p e r a t i o n  (", 12)      = 12
598170: kwrite(2, " -", 1)                              = 1
598170: kwrite(2, " 2", 1)                              = 1
598170: kwrite(2, " )", 1)                              = 1
598170: kwrite(2, " ", 1)                              = 1
598170: close(5)                                        = 0
598170: close(4)                                        = 0
598170: kfcntl(1, F_GETFL, 0x00000000101A2087)          = 67110914
598170: kfcntl(2, F_GETFL, 0x00000000101A2087)          = 67110914
598170: _exit(1)
找到开始的坏块
1461190656/8192=178368
说明第一个坏块为178368,验证最后的坏块,最大的数据块是1280000$ dbv file=/dev/rdata_03 blocksize=8192 start=1461190656DBVERIFY: Release 10.2.0.1.0 - Production on Thu Nov 7 10:10:58 2013Copyright (c) 1982, 2005, Oracle.  All rights reserved.
DBV-00102: File I/O error on FILE (/dev/rdata_03) during start read operation (-2)$ dbv file=/dev/rdata_03 blocksize=8192 start=194719DBVERIFY: Release 10.2.0.1.0 - Production on Thu Nov 7 10:52:56 2013Copyright (c) 1982, 2005, Oracle.  All rights reserved.DBVERIFY - Verification starting : FILE = /dev/rdata_03
DBVERIFY - Verification completeTotal Pages Examined        : 1085282
Total Pages Processed (Data) : 1272
Total Pages Failing  (Data) : 0
Total Pages Processed (Index): 127
Total Pages Failing  (Index): 0
Total Pages Processed (Other): 1082867
Total Pages Processed (Seg)  : 0
Total Pages Failing  (Seg)  : 0
Total Pages Empty            : 1016
Total Pages Marked Corrupt  : 0
Total Pages Influx          : 0
Highest block SCN            : 1845997064 (2919.1845997064)采用数据拼接的模式重构这个数据文件$ dd if=/dev/zero of=/backup_dir/rdata_03_02 bs=8192 count=16343
16343+0 records in.
16343+0 records out.
$ dd if=/dev/rdata_03 of=/backup_dir/rdata_03_03 bs=8192 skip=194710
1116010+0 records in.
1116010+0 records out.
$ dd if=/dev/rdata_03 of=/backup_dir/rdata_03_01 bs=8192 count=178367
178367+0 records in.
178367+0 records out.
$ cat /backup_dir/rdata_03_01 /backup_dir/rdata_03_02 /backup_dir/rdata_03_03 > /backup_dir/rdata_03_ct更多详情见请继续阅读下一页的精彩内容: http://www.linuxidc.com/Linux/2013-11/92672p2.htm相关阅读:SPFILE 错误导致数据库无法启动(ORA-01565) http://www.linuxidc.com/Linux/2013-08/88932.htmORA-01172、ORA-01151错误处理 http://www.linuxidc.com/Linux/2013-06/86529.htmORA-00600 [2662]错误解决 http://www.linuxidc.com/Linux/2013-06/86528.htmORA-01078 和 LRM-00109 报错解决方法 http://www.linuxidc.com/Linux/2012-07/66044.htmORA-00471 处理方法笔记 http://www.linuxidc.com/Linux/2013-09/90017.htmORA-00314,redolog 损坏,或丢失处理方法 http://www.linuxidc.com/Linux/2013-09/90646.htmORA-00257 归档日志过大导致无法存储的解决办法 http://www.linuxidc.com/Linux/2013-09/90594.htm更多Oracle相关信息见Oracle 专题页面 http://www.linuxidc.com/topicnews.aspx?tid=12
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RMAN 配置保留策略Oracle DataGuard 主备切换switchover相关资讯      ORA-27063  ORA-19501 
  • rman备份出现ORA-19502/ORA-27063  (11/15/2012 10:36:26)
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