ORA-00756 ORA-10567故障数据0丢失恢复

联系:手机/微信(+86 17813235971) QQ(107644445)QQ咨询惜分飞

标题:ORA-00756 ORA-10567故障数据0丢失恢复

作者:惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]

客户虚拟化故障修复之后,数据库启动报ORA-600 kcratr_scan_lastbwr错误
kcratr_scan_lastbwr


这个是一个比较常见的错误,一般recover 下就ok了,但是有些时候会出现ORA-600 3020或者类似ORA-00756 ORA-10567的错误,比如这次不幸就遇到了该错误

SQL> recover database;
ORA-00283: recovery session canceled due to errors
ORA-00756: recovery detected a lost write of a data block
ORA-10567: Redo is inconsistent with data block (file# 10, block# 4005760, file
offset is 2750414848 bytes)
ORA-10564: tablespace PACS55
ORA-01110: data file 10: '/u02/oradata/pacsdb/pacs55.4.dbf'
ORA-10561: block type 'TRANSACTION MANAGED INDEX BLOCK', data object# 76649

然后尝试单个文件recover恢复

SQL> recover datafile 10;
ORA-00283: recovery session canceled due to errors
ORA-00756: recovery detected a lost write of a data block
ORA-10567: Redo is inconsistent with data block (file# 10, block# 4005760, file
offset is 2750414848 bytes)
ORA-10564: tablespace PACS55
ORA-01110: data file 10: '/u02/oradata/pacsdb/pacs55.4.dbf'
ORA-10561: block type 'TRANSACTION MANAGED INDEX BLOCK', data object# 76649

SQL> recover datafile 9;
ORA-00283: recovery session canceled due to errors
ORA-00756: recovery detected a lost write of a data block
ORA-10567: Redo is inconsistent with data block (file# 9, block# 4158754, file
offset is 4003741696 bytes)
ORA-10564: tablespace PACS55
ORA-01110: data file 9: '/u02/oradata/pacsdb/pacs55.3.dbf'
ORA-10561: block type 'TRANSACTION MANAGED INDEX BLOCK', data object# 76660

通过dbv检查这两个异常文件

[oracle@oradb ~]$ dbv file=/u02/oradata/pacsdb/pacs55.3.dbf

DBVERIFY: Release 19.0.0.0.0 - Production on Sat Jun 28 23:02:15 2025

Copyright (c) 1982, 2019, Oracle and/or its affiliates.  All rights reserved.

DBVERIFY - Verification starting : FILE = /u02/oradata/pacsdb/pacs55.3.dbf


DBVERIFY - Verification complete

Total Pages Examined         : 4194302
Total Pages Processed (Data) : 2482487
Total Pages Failing   (Data) : 0
Total Pages Processed (Index): 1655515
Total Pages Failing   (Index): 0
Total Pages Processed (Lob)  : 25017
Total Pages Failing   (Lob)  : 0
Total Pages Processed (Other): 15919
Total Pages Processed (Seg)  : 0
Total Pages Failing   (Seg)  : 0
Total Pages Empty            : 15364
Total Pages Marked Corrupt   : 0
Total Pages Influx           : 0
Total Pages Encrypted        : 0
Highest block SCN            : 311133131196 (72.1895485884)
[oracle@oradb ~]$ dbv file=/u02/oradata/pacsdb/pacs55.4.dbf 

DBVERIFY: Release 19.0.0.0.0 - Production on Sat Jun 28 23:04:59 2025

Copyright (c) 1982, 2019, Oracle and/or its affiliates.  All rights reserved.

DBVERIFY - Verification starting : FILE = /u02/oradata/pacsdb/pacs55.4.dbf


DBVERIFY - Verification complete

Total Pages Examined         : 4194302
Total Pages Processed (Data) : 2466409
Total Pages Failing   (Data) : 0
Total Pages Processed (Index): 1683244
Total Pages Failing   (Index): 0
Total Pages Processed (Lob)  : 16977
Total Pages Failing   (Lob)  : 0
Total Pages Processed (Other): 15909
Total Pages Processed (Seg)  : 0
Total Pages Failing   (Seg)  : 0
Total Pages Empty            : 11763
Total Pages Marked Corrupt   : 0
Total Pages Influx           : 0
Total Pages Encrypted        : 0
Highest block SCN            : 311133133727 (72.1895488415)

确定数据文件本身没有坏块,只是redo写丢失或者某种bug导致少量block应用redo的时候异常,而且报错是index,直接通过底层处理报错的block,让其这些报错的block直接不应用日志,然后完成recover操作,其他数据块数据不会丢失(最大限度减少损失,而不是直接修改文件头scn,或者强制拉库的方式来处理)

SQL> select file#,fuzzy from v$datafile_header;

     FILE# FUZ
---------- ---
	 1 NO
	 2 NO
	 3 NO
	 4 NO
	 5 NO
	 7 NO
	 8 NO
	 9 YES
	10 YES
	11 NO
	12 NO

     FILE# FUZ
---------- ---
	13 NO
	14 NO
	15 NO
	16 NO
	17 NO
	18 NO
	19 NO

18 rows selected.

SQL> recover  datafile 9 ;
Media recovery complete.
SQL> recover  datafile 10 ;
ORA-00283: recovery session canceled due to errors
ORA-00756: recovery detected a lost write of a data block
ORA-10567: Redo is inconsistent with data block (file# 10, block# 3822912, file
offset is 1252524032 bytes)
ORA-10564: tablespace PACS55
ORA-01110: data file 10: '/u02/oradata/pacsdb/pacs55.4.dbf'
ORA-10561: block type 'TRANSACTION MANAGED INDEX BLOCK', data object# 76649
 
SQL> recover  datafile 10;
Media recovery complete.

正常open数据库成功,并rebuild 异常的对象

SQL> alter database open;

Database altered.

SQL> select owner,object_name,object_type from dba_objects where data_object_id in(76649,76660);

OWNER
--------------------------------------------------------------------------------
OBJECT_NAME
--------------------------------------------------------------------------------
OBJECT_TYPE
-----------------------
PACS55
STUDYINFO_DIAGRPTID
INDEX

PACS55
PACS_STUDYINFO_PK
INDEX

OWNER
--------------------------------------------------------------------------------
OBJECT_NAME
--------------------------------------------------------------------------------
OBJECT_TYPE
-----------------------


SQL> alter index PACS55.STUDYINFO_DIAGRPTID rebuild online parallel 4;

Index altered.

SQL> alter index PACS55.PACS_STUDYINFO_PK rebuild online parallel 4;

Index altered.

SQL> 
SQL> 
SQL> 
SQL> alter index PACS55.STUDYINFO_DIAGRPTID noparallel;
alter index PACS55.PACS_STUDYINFO_PK noparallel;
Index altered.

SQL> 

Index altered.

至此该库完美恢复业务可以直接使用,业务数据0丢失.这次运气比较好,如果是表数据异常,可能会麻烦一点,但是也可以最大限度恢复(肯定比强制拉库,或者修改文件头的方式效果好)

数据库文件变成32k故障恢复

联系:手机/微信(+86 17813235971) QQ(107644445)QQ咨询惜分飞

标题:数据库文件变成32k故障恢复

作者:惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]

最近一个客户数据库重启系统之后,数据文件大小变为了32kb,我接手的不是第一现场(客户那边尝试了rman还原操作),查看alert日志,数据库最初报错

Wed Jun 18 13:09:23 2025
alter database open
Block change tracking file is current.
Read of datafile 'D:\APP\ADMINISTRATOR\ORADATA\ORCL\WASION08.DBF' (fno 14) header failed with ORA-01210
Hex dump of (file 14, block 1) in trace file d:\app\administrator\diag\rdbms\ORCL\ORCL\trace\ORCL_ora_11208.trc
Corrupt block relative dba: 0x03800001 (file 14, block 1)
Completely zero block found during datafile header read
Rereading datafile 14 header failed with ORA-01210
Hex dump of (file 14, block 1) in trace file d:\app\administrator\diag\rdbms\ORCL\ORCL\trace\ORCL_ora_11208.trc
Corrupt block relative dba: 0x03800001 (file 14, block 1)
Completely zero block found during datafile header read
Errors in file d:\app\administrator\diag\rdbms\ORCL\ORCL\trace\ORCL_ora_11208.trc:
ORA-01122: 数据库文件 14 验证失败
ORA-01110: 数据文件 14: 'D:\APP\ADMINISTRATOR\ORADATA\ORCL\WASION08.DBF'
ORA-01210: 数据文件标头发生介质损坏
ORA-1122 signalled during: alter database open...
Wed Jun 18 13:09:23 2025
Checker run found 1 new persistent data failures

客户那边不知道做了什么操作之后报错(初步估计是把14号文件重命名了)

Thu Jun 19 16:04:19 2025
alter database open
Thu Jun 19 16:04:21 2025
Errors in file d:\app\administrator\diag\rdbms\ORCL\ORCL\trace\ORCL_dbw0_13000.trc:
ORA-01157: ????/?????? 14 - ??? DBWR ????
ORA-01110: ???? 14: 'D:\APP\ADMINISTRATOR\ORADATA\ORCL\WASION08.DBF'
ORA-27041: ??????
OSD-04002: 无法打开文件
O/S-Error: (OS 2) 系统找不到指定的文件。
Errors in file d:\app\administrator\diag\rdbms\ORCL\ORCL\trace\ORCL_ora_12328.trc:
ORA-03113: 通信通道的文件结尾
ORA-3113 signalled during: alter database open...

根据客户反馈14号文件变成了32kb,就是被重命名的.bak文件
32k


这其中有一个bak0618是通过rman还原出来的(备份中无有效的14号文件备份,还原出来的为该文件初始化创建大小)

Thu Jul 07 16:57:05 2022
alter tablespace wasion add datafile 'D:\APP\ADMINISTRATOR\ORADATA\ORCL\WASION08.dbf' size 10g autoextend on
Completed: alter tablespace wasion add datafile 'D:\APP\ADMINISTRATOR\ORADATA\ORCL\WASION08.dbf' size 10g autoextend on

2025-06-26_101717_568


基于当前情况,可以确认该文件异常,而且没有有效的rman备份.通过分析备份脚本,发现每个备份集1个数据文件,而且没有压缩,并按照10g进行分割为多个文件
QQ20250626-095824

这些本身没有问题,脚本的后面有直接通过系统级别命令删除两天之前的备份文件
QQ20250626-100105

这里有一个问题,由于磁盘空间不足,导致部分备份不成功,但是系统级别删除操作依旧正常进行,导致以前有效的备份被删除,后面的备份又没有成功(这个是本次该文件无法还原的主要原因),慎重提醒,rman备份尽量使用rman本身的策略来管理不要使用系统命令来维护备份策略,基于这样的情况,可以使用反删除命令找出来了一些该文件的备份集,并注册到控制文件中

RMAN> list backup of datafile 14;


备份集列表
===================


BS 关键字  类型 LV 大小       设备类型 经过时间 完成时间
------- ---- -- ---------- ----------- ------------ ----------
35251   Incr 0  10.89G     DISK        00:01:20     15-6月 -25
  备份集 35251 中的数据文件列表
  文件 LV 类型 Ckp SCN    Ckp 时间   名称
  ---- -- ---- ---------- ---------- ----
  14   0  Incr 758850903  15-6月 -25 D:\APP\ADMINISTRATOR\ORADATA\ORCL\WASION08.DBF

  备份集 副本号 2 属于备份集 35251
  设备类型 经过时间 完成时间   压缩标记
  ----------- ------------ ---------- ---------- ---
  DISK        00:01:20     26-6月 -25 NO         TAG20250615T220003

    备份集 35251 副本号 2的备份片段列表
    BP 关键字  Pc# 状态      段名称
    ------- --- ----------- ----------
    78307   1   AVAILABLE   H:\BAIDUNETDISK\202506191452\L0_ORCL_20250615_78847_VV3S3RQP_1_1
    78308   2   AVAILABLE   H:\BAIDUNETDISK\202506191452\L0_ORCL_20250615_78847_VV3S3RQP_2_1

BS 关键字  类型 LV 大小       设备类型 经过时间 完成时间
------- ---- -- ---------- ----------- ------------ ----------
35266   Incr 0  1.81G      DISK        00:00:00     17-6月 -25
  备份集 35266 中的数据文件列表
  文件 LV 类型 Ckp SCN    Ckp 时间   名称
  ---- -- ---- ---------- ---------- ----
  14      Full 759283192  17-6月 -25 D:\APP\ADMINISTRATOR\ORADATA\ORCL\WASION08.DBF

  备份集 副本号 1 属于备份集 35266
  设备类型 经过时间 完成时间   压缩标记
  ----------- ------------ ---------- ---------- ---
  DISK        00:00:00     26-6月 -25 NO         TAG20250617T220049

    备份集 35266 副本号 1的备份片段列表
    BP 关键字  Pc# 状态      段名称
    ------- --- ----------- ----------
            1   DELETED                        <---缺少一个备份集文件
    78309   2   AVAILABLE   H:\BAIDUNETDISK\202506191452\L0_ORCL_20250617_79022_5E3S94MC_2_1

尝试rman还原这些备份文件

RMAN> run
2> {
3> SET NEWNAME FOR DATAFILE 14 to 'H:\BaiduNetdisk\202506191452\14.dbf';
4> restore datafile 14;
5> }

正在执行命令: SET NEWNAME

启动 restore 于 26-6月 -25
使用通道 ORA_DISK_1

通道 ORA_DISK_1: 正在开始还原数据文件备份集
通道 ORA_DISK_1: 正在指定从备份集还原的数据文件
通道 ORA_DISK_1: 将数据文件 00014 还原到 H:\BAIDUNETDISK\202506191452\14.DBF
通道 ORA_DISK_1: 正在还原段 1 (属于 2)
通道 ORA_DISK_1: 正在读取备份片段 H:\BAIDUNETDISK\202506191452\L0_ORCL_20250615_78847_VV3S3RQP_1_1
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: restore 命令 (在 06/26/2025 08:35:53 上) 失败
ORA-19870: 还原备份片段 H:\BAIDUNETDISK\202506191452\L0_ORCL_20250615_78847_VV3S3RQP_1_1 时出错
ORA-00600: 内部错误代码, 参数: [krbvalmrange_badfno], [1], [14], [], [], [], [], [], [], [], [], []

alert日志报错

Thu Jun 26 08:25:26 2025
Checker run found 39 new persistent data failures
Thu Jun 26 08:35:51 2025
Datafile rdba reconstruction error, expected block greater than 804966, got 322047 for datafile 14
Corrupt block 804352 found during reading backup piece, 
file=H:\BAIDUNETDISK\202506191452\L0_ORCL_20250615_78847_VV3S3RQP_1_1, corr_type=4
Reread of blocknum=804352, file=H:\BAIDUNETDISK\202506191452\L0_ORCL_20250615_78847_VV3S3RQP_1_1. found valid data
Datafile rdba reconstruction error, expected block greater than 324095, got 55516 for datafile 14
Corrupt block 806400 found during reading backup piece, 
file=H:\BAIDUNETDISK\202506191452\L0_ORCL_20250615_78847_VV3S3RQP_1_1, corr_type=4
Reread of blocknum=806400, file=H:\BAIDUNETDISK\202506191452\L0_ORCL_20250615_78847_VV3S3RQP_1_1. found valid data
Errors in file C:\APP\XFF\diag\rdbms\ORCL\orcl\trace\orcl_ora_19208.trc  (incident=177):
ORA-00600: 内部错误代码, 参数: [krbvalmrange_badfno], [1], [14], [], [], [], [], [], [], [], [], []
Incident details in: C:\APP\XFF\diag\rdbms\ORCL\orcl\incident\incdir_177\orcl_ora_19208_i177.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Thu Jun 26 08:35:52 2025

后面通过工具分析以及ORA-600 krbvalmrange_badfno的错误,基本上可以确认在反删除恢复的备份集文件中部分rman的block是其他数据文件的,从而导致无法正常还原.基于这种情况,通过工具进行强制还原出来部分14号数据文件的block
QQ20250626-101208


然后再通过磁盘级别碎片,找到部分没有覆盖的block
suip

把rman备份中强制抽取的部分block和底层碎片恢复的没有覆盖的block组合到一起,通过检测确认恢复了大概2/3的数据
QQ20250626-101601

基于恢复的该文件和这个表空间的其他文件一起,使用dul工具把数据恢复到新库中,最大限度完成本次数据的抢救工作.

本次故障本不该发生,或者说发生不该如此严重:
1. rman备份采用系统级别维护策略,在备份没有成功的情况下依旧通过系统层面删除文件,导致故障文件无一份有效备份
2. 发生故障之后,没有保护现场的意识:对于32kb的数据文件所在磁盘进行了大量的写入操作(近1T的数据文件直接在本盘做了一次拷贝,还有rman默认写入到了以前文件所在位置)

记录一次asm disk加入到vg通过恢复直接open库的案例

联系:手机/微信(+86 17813235971) QQ(107644445)QQ咨询惜分飞

标题:记录一次asm disk加入到vg通过恢复直接open库的案例

作者:惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]

客户在不清楚磁盘被asm disk使用的情况下,直接分区做pv,加入到vg中并且分配给了lv,导致数据库异常
QQ20250504
144809


通过操作系统层面分析,确认客户把data磁盘组的一个磁盘给处理掉了,导致数据库报错

WARNING: ASMB force dismounting group 2 (DATA) due to failover
SUCCESS: diskgroup DATA was dismounted
2025-05-04T07:03:19.910082+08:00
KCF: read, write or open error, block=0x201544 online=1
        file=102 '+DATA/ORCL/F7D939D6DBE06C71E053C30114AC1F10/DATAFILE/xifenfei_61.dbf'
        error=15078 txt: ''
2025-05-04T07:03:19.918972+08:00
Errors in file /u01/app/oracle/diag/rdbms/orcl/orcl1/trace/orcl1_dbwc_18507.trc:
2025-05-04T07:03:19.952045+08:00
KCF: read, write or open error, block=0x2013e7 online=1
        file=102 '+DATA/ORCL/F7D939D6DBE06C71E053C30114AC1F10/DATAFILE/xifenfei_61.dbf'
        error=15078 txt: ''
2025-05-04T07:03:19.964538+08:00
Errors in file /u01/app/oracle/diag/rdbms/orcl/orcl1/trace/orcl1_dbw7_18486.trc:
2025-05-04T07:03:19.967133+08:00
KCF: read, write or open error, block=0x230e71 online=1
        file=105 '+DATA/ORCL/F7D939D6DBE06C71E053C30114AC1F10/DATAFILE/xifenfei_64.dbf'
        error=15078 txt: ''
2025-05-04T07:03:19.973289+08:00
Errors in file /u01/app/oracle/diag/rdbms/orcl/orcl1/trace/orcl1_dbw2_18466.trc:
2025-05-04T07:03:19.978514+08:00
KCF: read, write or open error, block=0x1f6e91 online=1
        file=86 '+DATA/ORCL/F7D939D6DBE06C71E053C30114AC1F10/DATAFILE/xifenfei_52.dbf'
        error=15078 txt: ''
2025-05-04T07:03:19.991060+08:00
Errors in file /u01/app/oracle/diag/rdbms/orcl/orcl1/trace/orcl1_dbwd_18511.trc:
2025-05-04T07:03:19.995762+08:00
KCF: read, write or open error, block=0x7f8 online=1
        file=15 '+DATA/ORCL/F7D939D6DBE06C71E053C30114AC1F10/DATAFILE/undotbs01.dbf'
        error=15078 txt: ''
2025-05-04T07:03:20.006862+08:00
Errors in file /u01/app/oracle/diag/rdbms/orcl/orcl1/trace/orcl1_dbwa_18498.trc:
2025-05-04T07:03:20.020739+08:00
Errors in file /u01/app/oracle/diag/rdbms/orcl/orcl1/trace/orcl1_imr0_18937.trc:

这个客户比较幸运,处理该磁盘之后,没有往对应的lv中写入太多数据,导致覆盖部分很少

[root@rac01 rules.d]# df -h
文件系统               容量  已用  可用 已用% 挂载点
/dev/mapper/nlas-root  800G  272G  528G   34% /
devtmpfs               284G     0  284G    0% /dev
tmpfs                  284G  637M  283G    1% /dev/shm
tmpfs                  284G  4.0G  280G    2% /run
tmpfs                  284G     0  284G    0% /sys/fs/cgroup
/dev/mapper/nlas-home  200G   64M  200G    1% /home
/dev/sda1              197M  158M   40M   80% /boot
tmpfs                   57G   40K   57G    1% /run/user/0
tmpfs                   57G   48K   57G    1% /run/user/1000
[root@rac01 rules.d]# pvs
  PV         VG   Fmt  Attr PSize   PFree
  /dev/sda2  nlas lvm2 a--  564.00g    0 
  /dev/sdb1  nlas lvm2 a--   <2.00t 1.51t
[root@rac01 rules.d]# vgs
  VG   #PV #LV #SN Attr   VSize VFree
  nlas   2   3   0 wz--n- 2.55t 1.51t
[root@rac01 rules.d]# lvs
  LV   VG   Attr       LSize   Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert
  home nlas -wi-ao---- 200.00g                                                    
  root nlas -wi-ao---- 800.00g                                                    
  swap nlas -wi-ao----  64.00g                                                    

通过底层对磁盘进行分析,发现备份的磁盘头均以损坏,通过深入分析确认f1b1在sdb磁盘的第10个au上,通过相关信息,使用dul工具加载磁盘组,并分析元数据信息,发现恢复数据需要的元数据都可以正常加载
asm-dul


直接使用dul抽取数据到文件系统,然后open数据库成功
open-asm

然后通过rman 检测坏块(3T多的库只有不到5000个坏块,相对来说效果非常好),对于坏块对象进行处理,完美完成本次恢复工作.对于这次能够有这样好的恢复效果有几个因素:
1)asm disk 加入到vg,并分配给lv之后,立刻停止写入操作,避免了因为写入数据而覆盖asm 磁盘的带来的风险
2)由于是19c库,默认au为4M,使得数据库文件数据相对比较靠后,覆盖几率小了一点
3)由于文件系统是xfs,相对覆盖比ext4会少很多
4)是云环境的ssd磁盘,没有触发trim功能
以前类似asm disk异常恢复的相关case汇总:
asm磁盘加入vg恢复
asm磁盘dd破坏恢复
asm磁盘分区丢失恢复
pvid=yes导致asm无法mount
win asm disk header 异常恢复
又一例asm disk 加入vg故障
pvcreate asm disk导致asm磁盘组异常恢复
asm disk被加入到另外一个磁盘组故障恢复
再一例asm disk被误加入vg并且扩容lv恢复
再一起asm disk被格式化成ext3文件系统故障恢复
一次完美的asm disk被格式化ntfs恢复
asm disk误设置pvid导致asm diskgroup无法mount恢复
asm disk被分区,格式化为ext4恢复
oracle asm disk格式化恢复—格式化为ext4文件系统
分享oracleasm createdisk重新创建asm disk后数据0丢失恢复案例

ORA-39773: parse of metadata stream failed故障处理

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标题:ORA-39773: parse of metadata stream failed故障处理

作者:惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]

客户expdp导出数据,在写入生成SYS_EXPORT_SCHEMA表所在的users表空间不足,导致expdp报部分异常

Export: Release 11.2.0.4.0 - Production on Thu Feb 27 15:12:36 2025

Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.
;;; 
Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,
Data Mining and Real Application Testing options
FLASHBACK automatically enabled to preserve database integrity.
Starting "XFF"."SYS_EXPORT_SCHEMA_95":XFF/**** directory=DUMP dumpfile=20250227.dmp logfile=20250227.log schemas=XFF 
Estimate in progress using BLOCKS method...
Processing object type SCHEMA_EXPORT/TABLE/TABLE_DATA
ORA-39171: Job is experiencing a resumable wait.
ORA-01653: unable to extend table XFF.SYS_EXPORT_SCHEMA_95 by 128 in tablespace USERS
ORA-39171: Job is experiencing a resumable wait.
ORA-01653: unable to extend table XFF.SYS_EXPORT_SCHEMA_95 by 128 in tablespace USERS
ORA-39171: Job is experiencing a resumable wait.
ORA-01653: unable to extend table XFF.SYS_EXPORT_SCHEMA_95 by 128 in tablespace USERS
ORA-39171: Job is experiencing a resumable wait.
ORA-01653: unable to extend table XFF.SYS_EXPORT_SCHEMA_95 by 128 in tablespace USERS
ORA-39171: Job is experiencing a resumable wait.
ORA-01653: unable to extend table XFF.SYS_EXPORT_SCHEMA_95 by 128 in tablespace USERS
ORA-39171: Job is experiencing a resumable wait.
ORA-01653: unable to extend table XFF.SYS_EXPORT_SCHEMA_95 by 128 in tablespace USERS
ORA-39171: Job is experiencing a resumable wait.
ORA-01653: unable to extend table XFF.SYS_EXPORT_SCHEMA_95 by 128 in tablespace USERS
ORA-39171: Job is experiencing a resumable wait.
ORA-01653: unable to extend table XFF.SYS_EXPORT_SCHEMA_95 by 128 in tablespace USERS
ORA-39171: Job is experiencing a resumable wait.
ORA-01653: unable to extend table XFF.SYS_EXPORT_SCHEMA_95 by 128 in tablespace USERS
ORA-39171: Job is experiencing a resumable wait.
ORA-01653: unable to extend table XFF.SYS_EXPORT_SCHEMA_95 by 128 in tablespace USERS
Total estimation using BLOCKS method: 481.9 GB
Processing object type SCHEMA_EXPORT/USER
Processing object type SCHEMA_EXPORT/SYSTEM_GRANT
Processing object type SCHEMA_EXPORT/ROLE_GRANT
Processing object type SCHEMA_EXPORT/DEFAULT_ROLE
Processing object type SCHEMA_EXPORT/PRE_SCHEMA/PROCACT_SCHEMA
Processing object type SCHEMA_EXPORT/TYPE/TYPE_SPEC
Processing object type SCHEMA_EXPORT/SEQUENCE/SEQUENCE
Processing object type SCHEMA_EXPORT/TABLE/TABLE
Processing object type SCHEMA_EXPORT/TABLE/GRANT/OWNER_GRANT/OBJECT_GRANT
Processing object type SCHEMA_EXPORT/TABLE/COMMENT
Processing object type SCHEMA_EXPORT/PACKAGE/PACKAGE_SPEC
Processing object type SCHEMA_EXPORT/FUNCTION/FUNCTION
Processing object type SCHEMA_EXPORT/PROCEDURE/PROCEDURE
Processing object type SCHEMA_EXPORT/PACKAGE/COMPILE_PACKAGE/PACKAGE_SPEC/ALTER_PACKAGE_SPEC
Processing object type SCHEMA_EXPORT/FUNCTION/ALTER_FUNCTION
Processing object type SCHEMA_EXPORT/PROCEDURE/ALTER_PROCEDURE
Processing object type SCHEMA_EXPORT/TABLE/INDEX/INDEX
Processing object type SCHEMA_EXPORT/TABLE/INDEX/FUNCTIONAL_INDEX/INDEX
Processing object type SCHEMA_EXPORT/TABLE/CONSTRAINT/CONSTRAINT
Processing object type SCHEMA_EXPORT/TABLE/INDEX/STATISTICS/INDEX_STATISTICS
Processing object type SCHEMA_EXPORT/TABLE/INDEX/STATISTICS/FUNCTIONAL_INDEX/INDEX_STATISTICS
Processing object type SCHEMA_EXPORT/VIEW/VIEW
Processing object type SCHEMA_EXPORT/PACKAGE/PACKAGE_BODY
Processing object type SCHEMA_EXPORT/TABLE/TRIGGER
Processing object type SCHEMA_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS
Processing object type SCHEMA_EXPORT/MATERIALIZED_VIEW
Processing object type SCHEMA_EXPORT/JOB
. . exported "XFF"."PUB_WORKINGTASKLOG"              88.09 GB  112681 rows
. . exported "XFF"."SM_BUSILOG_DEFAULT"              51.94 GB 3149092 rows
. . exported "XFF"."FFW_DISTRIBUTESUBTASK"           46.47 GB  552214 rows
. . exported "XFF"."GL_DETAIL"                       11.32 GB 16214805 rows
…………
. . exported "XFF"."ZDP_10000000RR8NKX"                  0 KB       0 rows
. . exported "XFF"."ZDP_10000000RTB1GI"                  0 KB       0 rows
. . exported "XFF"."ZDP_10000000RTB1GK"                  0 KB       0 rows
Master table "XFF"."SYS_EXPORT_SCHEMA_95" successfully loaded/unloaded
******************************************************************************
Dump file set for XFF.SYS_EXPORT_SCHEMA_95 is:
  /rman_bak/dump/20200227.dmp
Job "XFF"."SYS_EXPORT_SCHEMA_95" completed with 10 error(s) at Thu Feb 27 19:32:22 2025 elapsed 0 04:16:28

尝试把该dmp导入数据库,报ORA-31694/ORA-02354/ORA-39773错误

Import: Release 11.2.0.4.0 - Production on 星期日 3月 16 02:38:14 2025

Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.
;;; 
连接到: Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
ORA-31694: 加载/卸载主表 "XFF"."SYS_IMPORT_FULL_01" 失败
ORA-02354: 导出/导入数据时出错
ORA-39773: parse of metadata stream failed

客户需要恢复其中的GL_DETAIL表数据,通过dul实现expdp dump文件转换sqlldr格式方法进行恢复,实现数据完美恢复
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对于dmp(exp/expdp)文件,我们可以实现比较完美的恢复,最后限度抢救数据.如果你有oracle expdp/exp dmp被加密或者破坏,无法正常导入数据库,可以联系我们对其进行恢复处理:提供(ORACLE数据库恢复技术支持):
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aix磁盘损坏oracle数据库恢复

联系:手机/微信(+86 17813235971) QQ(107644445)QQ咨询惜分飞

标题:aix磁盘损坏oracle数据库恢复

作者:惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]

客户aix环境硬盘异常导致系统无法启动,初步判断是数据文件存放在本地磁盘的空间中(本地两个盘都异常,系统无法启动),通过硬件恢复厂商镜像出来,但是通过aix文件系统直接挂载提示需要fsck,但是做fsck之后,提示大量文件丢失(最关键的数据文件和备份文件都被自动删除)
dmp-remove
fsck-remove


基于这种情况,采用镜像主机挂载的方式肯定不行,考虑直接采用软件直接解析,能够看到软件,可惜由于大量的文件系统元数据损坏,解析出来的数据文件和dmp也不可用(大量损坏和空块)
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基于上述情况,只能采用碎片级别恢复出来数据文件
QQ20250307-123123

然后使用dul工具把数据恢复到表中,实现最大限度抢救客户数据
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对于数据库级别恢复,这个是理论上的终极恢复方法