首页 数据库 mysql教程 一次数据文件头不一致恢复

一次数据文件头不一致恢复

Jun 07, 2016 pm 04:06 PM
恢复 数据 文件

SYS@orcl11galter database datafile 6 online;alter database datafile 6 online*ERROR at line 1:ORA-01113: file 6 needs media recoveryORA-01110: data file 6: /opt/oracle/oradata/orcl11g/zbdba01.dbf 有时候我们数据文件offline之后,再online需要

SYS@orcl11g>alter database datafile 6 online;
alter database datafile 6 online
*
ERROR at line 1:
ORA-01113: file 6 needs media recovery
ORA-01110: data file 6: '/opt/oracle/oradata/orcl11g/zbdba01.dbf'
登录后复制
有时候我们数据文件offline之后,再online需要介质恢复
SYS@orcl11g>select file#,name,status from v$datafile;
     FILE# NAME                                                         STATUS
---------- ------------------------------------------------------------ ------------------------------------------------------------
         1 /opt/oracle/oradata/orcl11g/system01.dbf                     SYSTEM
         2 /opt/oracle/oradata/orcl11g/sysaux01.dbf                     ONLINE
         3 /opt/oracle/oradata/orcl11g/undotbs01.dbf                    ONLINE
         4 /opt/oracle/oradata/orcl11g/users01.dbf                      ONLINE
         5 /opt/oracle/oradata/orcl11g/zbdba.dbf                        ONLINE
         6 /opt/oracle/oradata/orcl11g/zbdba01.dbf                      RECOVER
         7 /opt/oracle/oradata/orcl11g/test.dbf                         ONLINE


登录后复制
但是我们归档已经丢失,无法完成介质恢复:
SYS@orcl11g>recover datafile 6;
ORA-00279: change 1986632 generated at 10/28/2014 05:16:11 needed for thread 1
ORA-00289: suggestion : /opt/oracle/flash_recovery_area/ORCL11G/archivelog/2014_10_28/o1_mf_1_74_b4yqrglr_.arc
ORA-00280: change 1986632 for thread 1 is in sequence #74


Specify log: {<RET>=suggested | filename | AUTO | CANCEL}

ORA-00308: cannot open archived log &#39;/opt/oracle/flash_recovery_area/ORCL11G/archivelog/2014_10_28/o1_mf_1_74_b4yqrglr_.arc&#39;
ORA-27037: unable to obtain file status
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3
登录后复制
所以这时候我们直接修改文件头进行online:
[oracle@ogg1 lib]$ bbed parfile=par.txt
Password:

BBED: Release 2.0.0.0.0 - Limited Production on Tue Oct 28 05:20:19 2014

Copyright (c) 1982, 2009, Oracle and/or its affiliates.  All rights reserved.

************* !!! For Oracle Internal Use only !!! ***************

BBED>
BBED>
BBED> info all
File#  Name                                                        Size(blks)
-----  ----                                                        ----------
     1  /opt/oracle/oradata/orcl11g/system01.dbf                             0
     2  /opt/oracle/oradata/orcl11g/sysaux01.dbf                             0
     3  /opt/oracle/oradata/orcl11g/undotbs01.dbf                            0
     4  /opt/oracle/oradata/orcl11g/users01.dbf                              0
     5  /opt/oracle/oradata/orcl11g/zbdba.dbf                                0
     6  /opt/oracle/oradata/orcl11g/zbdba01.dbf                              0
     7  /opt/oracle/oradata/orcl11g/test.dbf                                 0

BBED> set file 1 block 1
        FILE#           1
        BLOCK#          1

BBED> p kcvfhckp
struct kcvfhckp, 36 bytes                   @484    
   struct kcvcpscn, 8 bytes                 @484    
      ub4 kscnbas                           @484      0x001e526c
      ub2 kscnwrp                           @488      0x0000
   ub4 kcvcptim                             @492      0x3362e202
   ub2 kcvcpthr                             @496      0x0001
   union u, 12 bytes                        @500    
      struct kcvcprba, 12 bytes             @500    
         ub4 kcrbaseq                       @500      0x0000004d
         ub4 kcrbabno                       @504      0x000001a6
         ub2 kcrbabof                       @508      0x0010
   ub1 kcvcpetb[0]                          @512      0x02
   ub1 kcvcpetb[1]                          @513      0x00
   ub1 kcvcpetb[2]                          @514      0x00
   ub1 kcvcpetb[3]                          @515      0x00
   ub1 kcvcpetb[4]                          @516      0x00
   ub1 kcvcpetb[5]                          @517      0x00
   ub1 kcvcpetb[6]                          @518      0x00
   ub1 kcvcpetb[7]                          @519      0x00

BBED> p kcvfhcpc
ub4 kcvfhcpc                                @140      0x000000f9

BBED> p kcvfhccc
ub4 kcvfhccc                                @148      0x000000f8

BBED> set file 6 block 1
        FILE#           6
        BLOCK#          1

BBED> p kcvfhckp
struct kcvfhckp, 36 bytes                   @484    
   struct kcvcpscn, 8 bytes                 @484    
      ub4 kscnbas                           @484      0x001e5048
      ub2 kscnwrp                           @488      0x0000
   ub4 kcvcptim                             @492      0x3362e11b
   ub2 kcvcpthr                             @496      0x0001
   union u, 12 bytes                        @500    
      struct kcvcprba, 12 bytes             @500    
         ub4 kcrbaseq                       @500      0x0000004a
         ub4 kcrbabno                       @504      0x00005801
         ub2 kcrbabof                       @508      0x0010
   ub1 kcvcpetb[0]                          @512      0x02
   ub1 kcvcpetb[1]                          @513      0x00
   ub1 kcvcpetb[2]                          @514      0x00
   ub1 kcvcpetb[3]                          @515      0x00
   ub1 kcvcpetb[4]                          @516      0x00
   ub1 kcvcpetb[5]                          @517      0x00
   ub1 kcvcpetb[6]                          @518      0x00
   ub1 kcvcpetb[7]                          @519      0x00

BBED> p kcvfhcpc
ub4 kcvfhcpc                                @140      0x0000043c

BBED> p kcvfhccc
ub4 kcvfhccc                                @148      0x0000043b

BBED> modify /x 6c52 offset 484
Warning: contents of previous BIFILE will be lost. Proceed? (Y/N) y
File: /opt/oracle/oradata/orcl11g/zbdba01.dbf (6)
Block: 1                Offsets:  484 to  995           Dba:0x01800001
------------------------------------------------------------------------
6c521e00 00000000 1be16233 01000000 4a000000 01580000 10000000 02000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
0d000d00 0d000100 00000000 00000000 00000000 02008001 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

<32 bytes per line>

BBED> modify /x 02e2 offset 492
File: /opt/oracle/oradata/orcl11g/zbdba01.dbf (6)
Block: 1                Offsets:  492 to 1003           Dba:0x01800001
------------------------------------------------------------------------
02e26233 01000000 4a000000 01580000 10000000 02000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 0d000d00 0d000100
00000000 00000000 00000000 02008001 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

<32 bytes per line>

BBED> modify /x f900 offset 140
File: /opt/oracle/oradata/orcl11g/zbdba01.dbf (6)
Block: 1                Offsets:  140 to  651           Dba:0x01800001
------------------------------------------------------------------------
f9000000 7fe16233 3b040000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
06000000 05005a42 44424100 00000000 00000000 00000000 00000000 00000000
00000000 06000000 00000000 00000000 a3d96233 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 6b946b29 01000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 6c521e00 00000000
02e26233 01000000 4a000000 01580000 10000000 02000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 0d000d00 0d000100

<32 bytes per line>

BBED> modify /x f800 offset 148
File: /opt/oracle/oradata/orcl11g/zbdba01.dbf (6)
Block: 1                Offsets:  148 to  659           Dba:0x01800001
------------------------------------------------------------------------
f8000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 06000000 05005a42
44424100 00000000 00000000 00000000 00000000 00000000 00000000 06000000
00000000 00000000 a3d96233 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 6b946b29 01000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 6c521e00 00000000 02e26233 01000000
4a000000 01580000 10000000 02000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 0d000d00 0d000100 00000000 00000000

<32 bytes per line>

BBED> sum apply
Check value for File 6, Block 1:
current = 0x1924, required = 0x1924

BBED> verify
DBVERIFY - Verification starting
FILE = /opt/oracle/oradata/orcl11g/zbdba01.dbf
BLOCK = 1


DBVERIFY - Verification complete

Total Blocks Examined         : 1
Total Blocks Processed (Data) : 0
Total Blocks Failing   (Data) : 0
Total Blocks Processed (Index): 0
Total Blocks Failing   (Index): 0
Total Blocks Empty            : 0
Total Blocks Marked Corrupt   : 0
Total Blocks Influx           : 0
Message 531 not found;  product=RDBMS; facility=BBED


BBED> show all
        FILE#           6
        BLOCK#          1
        OFFSET          148
        DBA             0x01800001 (25165825 6,1)
        FILENAME        /opt/oracle/oradata/orcl11g/zbdba01.dbf
        BIFILE          bifile.bbd
        LISTFILE        filelist.txt
        BLOCKSIZE       8192
        MODE            Edit
        EDIT            Unrecoverable
        IBASE           Dec
        OBASE           Dec
        WIDTH           80
        COUNT           512
        LOGFILE         log.bbd
        SPOOL           No

BBED> p kcvfhckp
struct kcvfhckp, 36 bytes                   @484    
   struct kcvcpscn, 8 bytes                 @484    
      ub4 kscnbas                           @484      0x001e526c
      ub2 kscnwrp                           @488      0x0000
   ub4 kcvcptim                             @492      0x3362e202
   ub2 kcvcpthr                             @496      0x0001
   union u, 12 bytes                        @500    
      struct kcvcprba, 12 bytes             @500    
         ub4 kcrbaseq                       @500      0x0000004a
         ub4 kcrbabno                       @504      0x00005801
         ub2 kcrbabof                       @508      0x0010
   ub1 kcvcpetb[0]                          @512      0x02
   ub1 kcvcpetb[1]                          @513      0x00
   ub1 kcvcpetb[2]                          @514      0x00
   ub1 kcvcpetb[3]                          @515      0x00
   ub1 kcvcpetb[4]                          @516      0x00
   ub1 kcvcpetb[5]                          @517      0x00
   ub1 kcvcpetb[6]                          @518      0x00
   ub1 kcvcpetb[7]                          @519      0x00

BBED> p kcvfhcpc
ub4 kcvfhcpc                                @140      0x000000f9

BBED> p kcvfhccc
ub4 kcvfhccc                                @148      0x000000f8

BBED> 
登录后复制
修改完成后我们再次恢复该数据文件:
SYS@orcl11g>startup
ORACLE instance started.
Total System Global Area  417546240 bytes
Fixed Size                  2213936 bytes
Variable Size             318769104 bytes
Database Buffers           92274688 bytes
Redo Buffers                4288512 bytes
Database mounted.
Database opened.
SYS@orcl11g>recover datafile 6;
Media recovery complete.
SYS@orcl11g>alter database datafile 6 online;

Database altered.
登录后复制





本站声明
本文内容由网友自发贡献,版权归原作者所有,本站不承担相应法律责任。如您发现有涉嫌抄袭侵权的内容,请联系admin@php.cn

热AI工具

Undresser.AI Undress

Undresser.AI Undress

人工智能驱动的应用程序,用于创建逼真的裸体照片

AI Clothes Remover

AI Clothes Remover

用于从照片中去除衣服的在线人工智能工具。

Undress AI Tool

Undress AI Tool

免费脱衣服图片

Clothoff.io

Clothoff.io

AI脱衣机

Video Face Swap

Video Face Swap

使用我们完全免费的人工智能换脸工具轻松在任何视频中换脸!

热工具

记事本++7.3.1

记事本++7.3.1

好用且免费的代码编辑器

SublimeText3汉化版

SublimeText3汉化版

中文版,非常好用

禅工作室 13.0.1

禅工作室 13.0.1

功能强大的PHP集成开发环境

Dreamweaver CS6

Dreamweaver CS6

视觉化网页开发工具

SublimeText3 Mac版

SublimeText3 Mac版

神级代码编辑软件(SublimeText3)

使用ddrescue在Linux上恢复数据 使用ddrescue在Linux上恢复数据 Mar 20, 2024 pm 01:37 PM

DDREASE是一种用于从文件或块设备(如硬盘、SSD、RAM磁盘、CD、DVD和USB存储设备)恢复数据的工具。它将数据从一个块设备复制到另一个块设备,留下损坏的数据块,只移动好的数据块。ddreasue是一种强大的恢复工具,完全自动化,因为它在恢复操作期间不需要任何干扰。此外,由于有了ddasue地图文件,它可以随时停止和恢复。DDREASE的其他主要功能如下:它不会覆盖恢复的数据,但会在迭代恢复的情况下填补空白。但是,如果指示工具显式执行此操作,则可以将其截断。将数据从多个文件或块恢复到单

开源!超越ZoeDepth! DepthFM:快速且精确的单目深度估计! 开源!超越ZoeDepth! DepthFM:快速且精确的单目深度估计! Apr 03, 2024 pm 12:04 PM

0.这篇文章干了啥?提出了DepthFM:一个多功能且快速的最先进的生成式单目深度估计模型。除了传统的深度估计任务外,DepthFM还展示了在深度修复等下游任务中的最先进能力。DepthFM效率高,可以在少数推理步骤内合成深度图。下面一起来阅读一下这项工作~1.论文信息标题:DepthFM:FastMonocularDepthEstimationwithFlowMatching作者:MingGui,JohannesS.Fischer,UlrichPrestel,PingchuanMa,Dmytr

抖音怎么恢复聊天火花 抖音怎么恢复聊天火花 Mar 16, 2024 pm 01:25 PM

在抖音这个充满创意与活力的短视频平台上,我们不仅可以欣赏到各种精彩内容,还能与志同道合的朋友展开深入的交流。其中,聊天火花作为衡量双方互动热度的重要指标,常常在不经意间点燃我们与好友之间的情感纽带。然而,有时由于一些原因,聊天火花可能会断开,那么如果我们想要恢复聊天火花究竟该如何操作呢,这篇教程攻略就将为大家带来详细的内容攻略介绍,希望能帮助到大家。抖音聊天火花断了怎么恢复?1、打开抖音的消息页面,选择好友聊天。2、互发消息聊天。3、连续发消息3天,就可以获得火花标识。在3天基础上,互发图片或视

出现0x80004005错误代码怎么办 小编教你0x80004005错误代码解决方法 出现0x80004005错误代码怎么办 小编教你0x80004005错误代码解决方法 Mar 21, 2024 pm 09:17 PM

在电脑中删除或解压缩文件夹,时有时候会弹出提示对话框“错误0x80004005:未指定错误”,如果遇到这中情况应该怎么解决呢?提示错误代码0x80004005的原因其实有很多,但大部分因为病毒导致,我们可以重新注册dll来解决问题,下面,小编给大伙讲解0x80004005错误代码处理经验。有用户在使用电脑时出现错误代码0X80004005的提示,0x80004005错误主要是由于计算机没有正确注册某些动态链接库文件,或者计算机与Internet之间存在不允许的HTTPS连接防火墙所引起。那么如何

谷歌狂喜:JAX性能超越Pytorch、TensorFlow!或成GPU推理训练最快选择 谷歌狂喜:JAX性能超越Pytorch、TensorFlow!或成GPU推理训练最快选择 Apr 01, 2024 pm 07:46 PM

谷歌力推的JAX在最近的基准测试中性能已经超过Pytorch和TensorFlow,7项指标排名第一。而且测试并不是在JAX性能表现最好的TPU上完成的。虽然现在在开发者中,Pytorch依然比Tensorflow更受欢迎。但未来,也许有更多的大模型会基于JAX平台进行训练和运行。模型最近,Keras团队为三个后端(TensorFlow、JAX、PyTorch)与原生PyTorch实现以及搭配TensorFlow的Keras2进行了基准测试。首先,他们为生成式和非生成式人工智能任务选择了一组主流

iPhone上的蜂窝数据互联网速度慢:修复 iPhone上的蜂窝数据互联网速度慢:修复 May 03, 2024 pm 09:01 PM

在iPhone上面临滞后,缓慢的移动数据连接?通常,手机上蜂窝互联网的强度取决于几个因素,例如区域、蜂窝网络类型、漫游类型等。您可以采取一些措施来获得更快、更可靠的蜂窝互联网连接。修复1–强制重启iPhone有时,强制重启设备只会重置许多内容,包括蜂窝网络连接。步骤1–只需按一次音量调高键并松开即可。接下来,按降低音量键并再次释放它。步骤2–该过程的下一部分是按住右侧的按钮。让iPhone完成重启。启用蜂窝数据并检查网络速度。再次检查修复2–更改数据模式虽然5G提供了更好的网络速度,但在信号较弱

特斯拉机器人进厂打工,马斯克:手的自由度今年将达到22个! 特斯拉机器人进厂打工,马斯克:手的自由度今年将达到22个! May 06, 2024 pm 04:13 PM

特斯拉机器人Optimus最新视频出炉,已经可以在厂子里打工了。正常速度下,它分拣电池(特斯拉的4680电池)是这样的:官方还放出了20倍速下的样子——在小小的“工位”上,拣啊拣啊拣:这次放出的视频亮点之一在于Optimus在厂子里完成这项工作,是完全自主的,全程没有人为的干预。并且在Optimus的视角之下,它还可以把放歪了的电池重新捡起来放置,主打一个自动纠错:对于Optimus的手,英伟达科学家JimFan给出了高度的评价:Optimus的手是全球五指机器人里最灵巧的之一。它的手不仅有触觉

超级智能体生命力觉醒!可自我更新的AI来了,妈妈再也不用担心数据瓶颈难题 超级智能体生命力觉醒!可自我更新的AI来了,妈妈再也不用担心数据瓶颈难题 Apr 29, 2024 pm 06:55 PM

哭死啊,全球狂炼大模型,一互联网的数据不够用,根本不够用。训练模型搞得跟《饥饿游戏》似的,全球AI研究者,都在苦恼怎么才能喂饱这群数据大胃王。尤其在多模态任务中,这一问题尤为突出。一筹莫展之际,来自人大系的初创团队,用自家的新模型,率先在国内把“模型生成数据自己喂自己”变成了现实。而且还是理解侧和生成侧双管齐下,两侧都能生成高质量、多模态的新数据,对模型本身进行数据反哺。模型是啥?中关村论坛上刚刚露面的多模态大模型Awaker1.0。团队是谁?智子引擎。由人大高瓴人工智能学院博士生高一钊创立,高

See all articles