Category Archives: 数据库

删除asmlib磁盘导致磁盘组故障恢复

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标题：删除asmlib磁盘导致磁盘组故障恢复

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.]

有客户执行drop disk磁盘组操作之后,然后立刻从oracle asmlib层面执行了oracleasm deletedisk,并且在操作系统层面delete partition(删除磁盘分区),导致磁盘组直接dismount

Tue Nov 26 16:44:04 2024
SQL> alter diskgroup data drop disk DATA_0008 
NOTE: GroupBlock outside rolling migration privileged region
Tue Nov 26 08:44:05 2024
NOTE: stopping process ARB0
NOTE: rebalance interrupted for group 2/0x28dec0d5 (DATA)
NOTE: requesting all-instance membership refresh for group=2
NOTE: membership refresh pending for group 2/0x28dec0d5 (DATA)
Tue Nov 26 08:44:14 2024
GMON querying group 2 at 48 for pid 18, osid 27385
SUCCESS: refreshed membership for 2/0x28dec0d5 (DATA)
SUCCESS: alter diskgroup data drop disk DATA_0008
NOTE: starting rebalance of group 2/0x28dec0d5 (DATA) at power 2
Starting background process ARB0
Tue Nov 26 08:44:14 2024
ARB0 started with pid=38, OS id=56987 
NOTE: assigning ARB0 to group 2/0x28dec0d5 (DATA) with 2 parallel I/Os
Tue Nov 26 08:44:17 2024
NOTE: Attempting voting file refresh on diskgroup DATA
NOTE: Refresh completed on diskgroup DATA. No voting file found.
Tue Nov 26 08:44:57 2024
cellip.ora not found.
Tue Nov 26 17:08:46 2024
SQL> alter diskgroup data drop disk DATA_0008 
ORA-15032: not all alterations performed
ORA-15071: ASM disk "DATA_0008" is already being dropped
ERROR: alter diskgroup data drop disk DATA_0008
Tue Nov 26 17:10:30 2024
SQL> alter diskgroup data drop disk DATA_0008 
ORA-15032: not all alterations performed
ORA-15071: ASM disk "DATA_0008" is already being dropped
ERROR: alter diskgroup data drop disk DATA_0008
Tue Nov 26 09:34:38 2024
WARNING: cache read  a corrupt block:group=2(DATA) dsk=8 blk=98 disk=8 (DATA_0008) incarn=3911069755 au=0 blk=98 count=1
Errors in file /u01/app/grid/diag/asm/+asm/+ASM1/trace/+ASM1_arb0_56987.trc:
ORA-15196: invalid ASM block header [kfc.c:26368] [endian_kfbh] [2147483656] [98] [0 != 1]
NOTE: a corrupted block from group DATA was dumped to /u01/app/grid/diag/asm/+asm/+ASM1/trace/+ASM1_arb0_56987.trc
WARNING:cache read (retry) a corrupt block:group=2(DATA) dsk=8 blk=98 disk=8(DATA_0008)incarn=3911069755 au=0 blk=98 count=1
Errors in file /u01/app/grid/diag/asm/+asm/+ASM1/trace/+ASM1_arb0_56987.trc:
ORA-15196: invalid ASM block header [kfc.c:26368] [endian_kfbh] [2147483656] [98] [0 != 1]
ORA-15196: invalid ASM block header [kfc.c:26368] [endian_kfbh] [2147483656] [98] [0 != 1]
ERROR: cache failed to read group=2(DATA) dsk=8 blk=98 from disk(s): 8(DATA_0008)
ORA-15196: invalid ASM block header [kfc.c:26368] [endian_kfbh] [2147483656] [98] [0 != 1]
ORA-15196: invalid ASM block header [kfc.c:26368] [endian_kfbh] [2147483656] [98] [0 != 1]
NOTE: cache initiating offline of disk 8 group DATA
NOTE: process _arb0_+asm1(56987)initiating offline of disk 8.3911069755 (DATA_0008) with mask 0x7e in group 2
NOTE: initiating PST update: grp = 2, dsk = 8/0xe91e303b, mask = 0x6a, op = clear
Tue Nov 26 09:34:38 2024
GMON updating disk modes for group 2 at 49 for pid 38, osid 56987
ERROR: Disk 8 cannot be offlined, since diskgroup has external redundancy.
ERROR: too many offline disks in PST (grp 2)
Tue Nov 26 09:34:38 2024
NOTE: cache dismounting (not clean) group 2/0x28DEC0D5 (DATA) 
WARNING: Offline for disk DATA_0008 in mode 0x7f failed.
NOTE: messaging CKPT to quiesce pins Unix process pid: 89645, image: oracle@ahptdb5 (B000)
Tue Nov 26 09:34:38 2024
NOTE: halting all I/Os to diskgroup 2 (DATA)
Errors in file /u01/app/grid/diag/asm/+asm/+ASM1/trace/+ASM1_arb0_56987.trc  (incident=413105):
ORA-15335: ASM metadata corruption detected in disk group 'DATA'
ORA-15130: diskgroup "DATA" is being dismounted
ORA-15066: offlining disk "DATA_0008" in group "DATA" may result in a data loss
ORA-15196: invalid ASM block header [kfc.c:26368] [endian_kfbh] [2147483656] [98] [0 != 1]
ORA-15196: invalid ASM block header [kfc.c:26368] [endian_kfbh] [2147483656] [98] [0 != 1]
Tue Nov 26 09:34:39 2024
ERROR: ORA-15130 in COD recovery for diskgroup 2/0x28dec0d5 (DATA)
ERROR: ORA-15130 thrown in RBAL for group number 2
Errors in file /u01/app/grid/diag/asm/+asm/+ASM1/trace/+ASM1_rbal_27385.trc:
ORA-15130: diskgroup "DATA" is being dismounted
ERROR: ORA-15335 thrown in ARB0 for group number 2
Errors in file /u01/app/grid/diag/asm/+asm/+ASM1/trace/+ASM1_arb0_56987.trc:
ORA-15335: ASM metadata corruption detected in disk group 'DATA'
ORA-15130: diskgroup "DATA" is being dismounted
ORA-15066: offlining disk "DATA_0008" in group "DATA" may result in a data loss
ORA-15196: invalid ASM block header [kfc.c:26368] [endian_kfbh] [2147483656] [98] [0 != 1]
ORA-15196: invalid ASM block header [kfc.c:26368] [endian_kfbh] [2147483656] [98] [0 != 1]
NOTE: stopping process ARB0
Tue Nov 26 09:34:40 2024
NOTE: LGWR doing non-clean dismount of group 2 (DATA)
NOTE: LGWR sync ABA=716.2684 last written ABA 716.2684

通过重新分区,并且kfed repair修复磁盘头操作之后,重新mount磁盘组报错

SQL> alter diskgroup data mount 
NOTE: cache registered group DATA number=2 incarn=0x73bec220
NOTE: cache began mount (first) of group DATA number=2 incarn=0x73bec220
NOTE: Assigning number (2,16) to disk (/dev/oracleasm/disks/DATA208)
NOTE: Assigning number (2,15) to disk (/dev/oracleasm/disks/DATA207)
NOTE: Assigning number (2,14) to disk (/dev/oracleasm/disks/DATA206)
NOTE: Assigning number (2,13) to disk (/dev/oracleasm/disks/DATA205)
NOTE: Assigning number (2,12) to disk (/dev/oracleasm/disks/DATA204)
NOTE: Assigning number (2,11) to disk (/dev/oracleasm/disks/DATA203)
NOTE: Assigning number (2,10) to disk (/dev/oracleasm/disks/DATA202)
NOTE: Assigning number (2,9) to disk (/dev/oracleasm/disks/DATA201)
NOTE: Assigning number (2,6) to disk (/dev/oracleasm/disks/DATA07)
NOTE: Assigning number (2,5) to disk (/dev/oracleasm/disks/DATA06)
NOTE: Assigning number (2,4) to disk (/dev/oracleasm/disks/DATA05)
NOTE: Assigning number (2,0) to disk (/dev/oracleasm/disks/DATA01)
NOTE: Assigning number (2,3) to disk (/dev/oracleasm/disks/DATA04)
NOTE: Assigning number (2,2) to disk (/dev/oracleasm/disks/DATA03)
NOTE: Assigning number (2,1) to disk (/dev/oracleasm/disks/DATA02)
NOTE: Assigning number (2,8) to disk (/dev/oracleasm/disks/DATA101)
Tue Nov 26 11:48:22 2024
NOTE: GMON heartbeating for grp 2
GMON querying group 2 at 83 for pid 27, osid 15781
NOTE: cache opening disk 0 of grp 2: DATA_0000 path:/dev/oracleasm/disks/DATA01
NOTE: F1X0 found on disk 0 au 2 fcn 0.127835487
NOTE: cache opening disk 1 of grp 2: DATA_0001 path:/dev/oracleasm/disks/DATA02
NOTE: cache opening disk 2 of grp 2: DATA_0002 path:/dev/oracleasm/disks/DATA03
NOTE: cache opening disk 3 of grp 2: DATA_0003 path:/dev/oracleasm/disks/DATA04
NOTE: cache opening disk 4 of grp 2: DATA_0004 path:/dev/oracleasm/disks/DATA05
NOTE: cache opening disk 5 of grp 2: DATA_0005 path:/dev/oracleasm/disks/DATA06
NOTE: cache opening disk 6 of grp 2: DATA_0006 path:/dev/oracleasm/disks/DATA07
NOTE: cache opening disk 8 of grp 2: DATA_0008 path:/dev/oracleasm/disks/DATA101
NOTE: cache opening disk 9 of grp 2: DATA_0009 path:/dev/oracleasm/disks/DATA201
NOTE: cache opening disk 10 of grp 2: DATA_0010 path:/dev/oracleasm/disks/DATA202
NOTE: cache opening disk 11 of grp 2: DATA_0011 path:/dev/oracleasm/disks/DATA203
NOTE: cache opening disk 12 of grp 2: DATA_0012 path:/dev/oracleasm/disks/DATA204
NOTE: cache opening disk 13 of grp 2: DATA_0013 path:/dev/oracleasm/disks/DATA205
NOTE: cache opening disk 14 of grp 2: DATA_0014 path:/dev/oracleasm/disks/DATA206
NOTE: cache opening disk 15 of grp 2: DATA_0015 path:/dev/oracleasm/disks/DATA207
NOTE: cache opening disk 16 of grp 2: DATA_0016 path:/dev/oracleasm/disks/DATA208
NOTE: cache mounting (first) external redundancy group 2/0x73BEC220 (DATA)
Tue Nov 26 11:48:22 2024
* allocate domain 2, invalid = TRUE 
kjbdomatt send to inst 2
Tue Nov 26 11:48:22 2024
NOTE: attached to recovery domain 2
NOTE: starting recovery of thread=1 ckpt=716.1536 group=2 (DATA)
NOTE: starting recovery of thread=2 ckpt=763.6248 group=2 (DATA)
NOTE: recovery initiating offline of disk 8 group 2 (*)
NOTE: cache initiating offline of disk 8 group DATA
NOTE: process _user15781_+asm1 (15781) initiating offline of disk 8.3911069996 (DATA_0008) with mask 0x7e in group 2
NOTE: initiating PST update: grp = 2, dsk = 8/0xe91e312c, mask = 0x6a, op = clear
GMON updating disk modes for group 2 at 84 for pid 27, osid 15781
ERROR: Disk 8 cannot be offlined, since diskgroup has external redundancy.
ERROR: too many offline disks in PST (grp 2)
WARNING: Offline for disk DATA_0008 in mode 0x7f failed.
Tue Nov 26 11:48:23 2024
NOTE: halting all I/Os to diskgroup 2 (DATA)
NOTE: recovery (pass 2) of diskgroup 2 (DATA) caught error ORA-15130
Errors in file /u01/app/grid/diag/asm/+asm/+ASM1/trace/+ASM1_ora_15781.trc:
ORA-15130: diskgroup "DATA" is being dismounted
ORA-15066: offlining disk "DATA_0008" in group "DATA" may result in a data loss
ORA-15131: block 97 of file 8 in diskgroup 2 could not be read
ORA-15196: invalid ASM block header [kfc.c:7600] [endian_kfbh] [2147483656] [97] [0 != 1]

由于客户执行了oracleasm deletedisk,根据经验确认该操作是对asm磁盘头的前1M数据进行了清空,而客户这个asm刚好是drop disk触发了rebalance操作的时候干掉磁盘的,基于这样的情况,直接通过修复磁盘1M数据并且mount磁盘组继续使用该磁盘组的概率不大.因此处理建议：
1. 直接恢复出来该磁盘组数据然后打开该库
2. 直接提取客户需要的核心表数据
有过客户有类似操作是asmlib重新创建了磁盘信息恢复:分享oracleasm createdisk重新创建asm disk后数据0丢失恢复案例
删除分区信息之后数据库恢复案例:删除分区 oracle asm disk 恢复

Kylin Linux 安装19c

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标题：Kylin Linux 安装19c

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.]

一直的观点,对于oracle没有认证的操作系统,不建议客户在生产环境中实施,但是随着信创的推进,有一些客户需要在麒麟（Kylin Linux）系统v10安装oracle 19c,通过安装过程发现基本上还redhat 8 安装19c一致
操作系统版本

[root@xifenfei opt]# uname -a
Linux xifenfei 4.19.90-52.15.v2207.ky10.x86_64 #1 SMP Thu Nov 24 21:50:03 CST 2022 x86_64 x86_64 x86_64 GNU/Linux
[root@xifenfei opt]# cat /etc/os-release 
NAME="Kylin Linux Advanced Server"
VERSION="V10 (Lance)"
ID="kylin"
VERSION_ID="V10"
PRETTY_NAME="Kylin Linux Advanced Server V10 (Lance)"
ANSI_COLOR="0;31"

需要安装的包

yum install -y bc  \
binutils \
elfutils-libelf \
elfutils-libelf-devel \
fontconfig-devel \
glibc \
glibc-devel \
ksh \
libaio \
libaio-devel \
libXrender \
libX11 \
libXau \
libXi \
libXtst \
libgcc \
libnsl \
librdmacm \
libstdc++ \
libstdc++-devel \
libxcb \
libibverbs \
make \
policycoreutils \
policycoreutils-python-utils \
smartmontools \
sysstat

其他操作系统配置基本上和redhat 8 安装19c一致,这里忽略
在打patch的过程会遭遇以下错误(缺少fuser命令)

[oracle@xifenfei 36912597]$ opatch apply
Oracle Interim Patch Installer version 12.2.0.1.44
Copyright (c) 2024, Oracle Corporation.  All rights reserved.


Oracle Home       : /u01/app/oracle/product/19c/db_1
Central Inventory : /u01/app/oraInventory
   from           : /u01/app/oracle/product/19c/db_1/oraInst.loc
OPatch version    : 12.2.0.1.44
OUI version       : 12.2.0.7.0
Log file location : /u01/app/oracle/product/19c/db_1/cfgtoollogs/opatch/opatch2024-11-20_13-06-19PM_1.log

Verifying environment and performing prerequisite checks...
Prerequisite check "CheckSystemCommandAvailable" failed.
The details are:
Missing command :fuser
UtilSession failed: 
Prerequisite check "CheckSystemCommandAvailable" failed.
Log file location: /u01/app/oracle/product/19c/db_1/cfgtoollogs/opatch/opatch2024-11-20_13-06-19PM_1.log

OPatch failed with error code 73

需要安装下psmisc包(在一般默认的redhat，oracle linux系统中已经安装)

yum install -y psmisc

ORA-600 krse_arc_complete.4

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标题：ORA-600 krse_arc_complete.4

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.]

11.2.0.4版本数据库对于虚拟化环境中的备库进行克隆,然后尝试failover方式激活备库,结果遭遇ORA-600 krse_arc_complete.4错误

SQL> ALTER DATABASE ACTIVATE PHYSICAL STANDBY DATABASE;
ALTER DATABASE ACTIVATE PHYSICAL STANDBY DATABASE
*
ERROR at line 1:
ORA-01196: file 1 is inconsistent due to a failed media recovery session
ORA-01110: data file 1: '/u01/app/oracle/oradata/hisdb/system.256.975233377'

alert日志显示

Wed Oct 23 21:45:46 2024
ALTER DATABASE ACTIVATE PHYSICAL STANDBY DATABASE
ALTER DATABASE ACTIVATE [PHYSICAL] STANDBY DATABASE (hisdb)
Begin: Standby Redo Logfile archival
End: Standby Redo Logfile archival
Wed Oct 23 21:45:46 2024
ARC0: Detected ARCH process failure
ARC0: STARTING ARCH PROCESSES
Wed Oct 23 21:45:46 2024
ARC3 started with pid=22, OS id=28848 
ARC3: Archival started
ARC0: STARTING ARCH PROCESSES COMPLETE
Beginning Standby Crash Recovery.
Serial Media Recovery started
Managed Standby Recovery starting Real Time Apply
Errors in file /u01/app/oracle/diag/rdbms/hisdbdg/hisdb/trace/hisdb_arc0_28695.trc  (incident=528155):
ORA-00600: internal error code, arguments: [krse_arc_complete.4], [], [], [], [], [], [], [], [], [], [], []
Incident details in: /u01/app/oracle/diag/rdbms/hisdbdg/hisdb/incident/incdir_528155/hisdb_arc0_28695_i528155.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Master archival failure: 600
Wed Oct 23 21:45:47 2024
Deleted Oracle managed file /fra/fast_recovery_area/HISDBDG/archivelog/2024_10_23/o1_mf_2_158418_mkkzjbqt_.arc
Warning: Datafile 1 (/u01/app/oracle/oradata/hisdb/system.256.975233377) is infinitely media recovery fuzzy
Standby database will not open with this datafile online!
Standby Crash Recovery aborted due to error 10554.
Errors in file /u01/app/oracle/diag/rdbms/hisdbdg/hisdb/trace/hisdb_ora_28842.trc:
ORA-10554: Media recovery failed to bring datafile 1 to a consistent point
ORA-01110: data file 1: '/u01/app/oracle/oradata/hisdb/system.256.975233377'
Completed Standby Crash Recovery.
Wed Oct 23 21:45:47 2024
Errors in file /u01/app/oracle/diag/rdbms/hisdbdg/hisdb/trace/hisdb_arc2_28840.trc  (incident=528172):
ORA-00600: internal error code, arguments: [krse_arc_complete.4], [], [], [], [], [], [], [], [], [], [], []
Incident details in: /u01/app/oracle/diag/rdbms/hisdbdg/hisdb/incident/incdir_528172/hisdb_arc2_28840_i528172.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Master archival failure: 600
ORA-1196 signalled during: ALTER DATABASE ACTIVATE PHYSICAL STANDBY DATABASE...
ARC3: Detected ARCH process failure

查询mos 发现是尝试应用standby log,并且arc进程尝试对其进行归档,发现归档失败从而报该错误,可以尝试对standby log进行clear,然后再激活备库

SQL> select group#,status from v$standby_log;

          GROUP# STATUS
---------------- ----------
              11 UNASSIGNED
              12 UNASSIGNED
              13 UNASSIGNED
              14 ACTIVE
              15 UNASSIGNED
              16 UNASSIGNED
              17 UNASSIGNED
              18 UNASSIGNED

8 rows selected.

SQL> alter database clear unarchived logfile group 14;

Database altered.

SQL> ALTER DATABASE ACTIVATE PHYSICAL STANDBY DATABASE;

Database altered.


Wed Oct 23 21:55:12 2024
ALTER DATABASE ACTIVATE PHYSICAL STANDBY DATABASE
ALTER DATABASE ACTIVATE [PHYSICAL] STANDBY DATABASE (hisdb)
Begin: Standby Redo Logfile archival
End: Standby Redo Logfile archival
RESETLOGS is being done without consistancy checks. This may result
in a corrupted database. The database should be recreated.
Standby terminal recovery start SCN: 35738445353
RESETLOGS after incomplete recovery UNTIL CHANGE 35738178180
Using STANDBY_ARCHIVE_DEST parameter default value as USE_DB_RECOVERY_FILE_DEST
Resetting resetlogs activation ID 1887849281 (0x70864b41)
Online log /u01/app/oracle/oradata/hisdb/group_5.272.976991793: Thread 1 Group 5 was previously cleared
Online log /u01/app/oracle/oradata/hisdb/group_5.2338.976991793: Thread 1 Group 5 was previously cleared
Online log /u01/app/oracle/oradata/hisdb/group_6.273.976991805: Thread 1 Group 6 was previously cleared
Online log /u01/app/oracle/oradata/hisdb/group_6.2339.976991805: Thread 1 Group 6 was previously cleared
Online log /u01/app/oracle/oradata/hisdb/group_7.274.976991825: Thread 2 Group 7 was previously cleared
Online log /u01/app/oracle/oradata/hisdb/group_7.2336.976991825: Thread 2 Group 7 was previously cleared
Online log /u01/app/oracle/oradata/hisdb/group_8.275.976991863: Thread 2 Group 8 was previously cleared
Online log /u01/app/oracle/oradata/hisdb/group_8.2337.976991863: Thread 2 Group 8 was previously cleared
Online log /u01/app/oracle/oradata/hisdb/group_9.276.976991877: Thread 1 Group 9 was previously cleared
Online log /u01/app/oracle/oradata/hisdb/group_9.2334.976991877: Thread 1 Group 9 was previously cleared
Online log /u01/app/oracle/oradata/hisdb/group_10.277.976991891: Thread 2 Group 10 was previously cleared
Online log /u01/app/oracle/oradata/hisdb/group_10.2333.976991893: Thread 2 Group 10 was previously cleared
Standby became primary SCN: 35738445352
Wed Oct 23 21:55:21 2024
Setting recovery target incarnation to 3
ACTIVATE STANDBY: Complete - Database mounted as primary
Completed: ALTER DATABASE ACTIVATE PHYSICAL STANDBY DATABASE

参考:Activate Standby Database failed with ORA-00600: [krse_arc_complete.4] (Doc ID 2409336.1)

Oracle 19c 202410补丁（RUs+OJVM）

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标题：Oracle 19c 202410补丁（RUs+OJVM）

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19.0.0.0
 Description  Database Update  GI Update  Windows Bundle Patch
 OCT2024 (19.25.0.0.0) 36912597  36916690  36878821
 JUL2024 (19.24.0.0.0) 36582781  36582629  36521936
 APR2024 (19.23.0.0.0) 36233263  36233126  36219938
 JAN2024 (19.22.0.0.0) 35943157  35940989  35962832
 OCT2023 (19.21.0.0.0) 35643107  35642822  35681552
 JUL2023 (19.20.0.0.0) 35320081  35319490  35348034
 APR2023 (19.19.0.0.0) 35042068  35037840  35046439
 JAN2023 (19.18.0.0.0) 34765931  34762026  34750795
 Oct2022 (19.17.0.0.0) 34419443  34416665  34468114
 JUL2022 (19.16.0.0.0) 34133642  34130714  34110685
 APR2022 (19.15.0.0.0) 33806152  33803476  33829175
 JAN2022 (19.14.0.0.0) 33515361  33509923  33575656
 OCT2021(19.13.0.0.0) 33192793  33182768  33155330
 JUL2021 (19.12.0.0.0) 32904851  32895426  32832237
 APR2021 (19.11.0.0.0) 32545013  32545008  32409154
 JAN2021 (19.10.0.0.0) 32218454  32226239  32062765
 OCT2020 (19.9.0.0.0) 31771877  31750108  31719903
 JUL2020  (19.8.0.0.0) 31281355  31305339  31247621
 APR2020 (19.7.0.0.0) 30869156  30899722  30901317
 JAN2020 (19.6.0.0.0) 30557433  30501910  30445947
 OCT2019 (19.5.0.0.0) 30125133  30116789  30151705
 JUL2019 (19.4.0.0.0) 29834717  29708769   NA
 APR2019 (19.3.0.0.0) 29517242  29517302   NA
19.0.0.0
 Description  OJVM Update  OJVM + DB Update  OJVM + GI Update
 OCT2024 (19.25.0.0.241015)  36878697  36866623  36866740
 JUL2024 (19.24.0.0.240716)  36414915  36522340  36522439
 APR2024 (19.23.0.0.240416)  36199232  36209492  36209493
 JAN2024 (19.22.0.0.240116)  35926646  36031426  36031453
 OCT2023 (19.21.0.0.231017)  35648110  35742413  35742441
 JUL2023 (19.20.0.0.230718)  35354406  35370174  35370167
 APR2023 (19.19.0.0.230418)  35050341  35058163  35058172
 JAN2023 (19.18.0.0.230117)  34786990  34773489  34773504
 OCT2022 (19.17.0.0.221018)  34411846  34449114  34449117
 JUL2022 (19.16.0.0.220719)  34086870  34160831  34160854
 APR2022 (19.15.0.0.220419)  33808367  33859194  33859214
 JAN2022 (19.14.0.0.220118)  33561310  33567270  33567274
 OCT2021 (19.13.0.0.211019)  33192694  33248420  33248471
 JUL2021 (19.12.0.0.210720)  32876380  32900021  32900083
 APR2021 (19.11.0.0.210420)  32399816  32578972  32578973
 JAN2021 (19.10.0.0.210119)  32067171  32126828  32126842
 OCT2020 (19.9.0.0.201020)  31668882  31720396  31720429
 JUL2020 (19.8.0.0.200714)  31219897  31326362  31326369
 APR2020 (19.7.0.0.200414)  30805684  30783543  30783556
 JAN2020 (19.6.0.0.200114)  30484981  30463595  30463609
 OCT2019 (19.5.0.0.191015)  30128191  30133124  30133178
 JUL2019 (19.4.0.0.190716)  29774421  29699079  29699097
 APR2019 (19.3.0.0.190416)  29548437  29621253  29621299

参考:Assistant: Download Reference for Oracle Database/GI Update, Revision, PSU, SPU(CPU), Bundle Patches, Patchsets and Base Releases (Doc ID 2118136.2)

ntfs MFT损坏(ntfs文件系统故障)导致oracle异常恢复

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标题：ntfs MFT损坏(ntfs文件系统故障)导致oracle异常恢复

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.]

客户虚拟化环境,由于断电,启动数据库报ORA-01157错误,通过操作系统层面查看,发现文件是存在的,但是dbv检测报不可访问
ora-01157

感觉是文件系统损坏了,尝试把该文件拷贝到其他磁盘
221509
查看操作系统事件,确认是ntfs文件系统的MFT损坏
mft
基于这种情况,通过文件系统恢复工具进行恢复该文件尝试,提示恢复文件大小和实际元数据中记录大小不一致
214712
通过对比实际恢复大小和文件本身大小,发现7811899392-7791460352,几乎等于20M大小（也就是说恢复出来的数据文件少了20M）,通过分析数据库alert日志,确认该系统在前端时间刚好扩展了20M(增加数据文件之时指定了每次扩展20m)

2023-08-11T11:29:21.397236+08:00
ALTER TABLESPACE "HSHIS" ADD DATAFILE
'D:\APP\ADMINISTRATOR\ORADATA\HIS\HSHIS01.DBF' SIZE 10M AUTOEXTEND ON NEXT 20M MAXSIZE 8001M
Completed: ALTER TABLESPACE "HSHIS" ADD DATAFILE
'D:\APP\ADMINISTRATOR\ORADATA\HIS\HSHIS01.DBF' SIZE 10M AUTOEXTEND ON NEXT 20M MAXSIZE 8001M

2024-10-09T00:18:31.058537+08:00
Resize operation completed for file# 66, old size 7608320K, new size 7628800K

通过对该文件底层block分析,确认最终丢失block就是最后20M(直接的数据文件的block的rdba均正确),对于这种故障,通过填补数据文件尾部,欺骗数据库完成该文件的恢复(最后20M中如果写入了业务数据,可能会丢失),做好该文件修复工作之后,尝试打开数据库,结果很不乐观,redo也损坏
recover-error

屏蔽一致性,强制打开库成功

2024-10-18T04:24:43.911107+08:00
ALTER DATABASE RECOVER    CANCEL  
2024-10-18T04:24:47.098637+08:00
Errors in file E:\TRACE\diag\rdbms\his\his\trace\his_pr00_2608.trc:
ORA-01547: 警告: RECOVER 成功但 OPEN RESETLOGS 将出现如下错误
ORA-01194: 文件 1 需要更多的恢复来保持一致性
ORA-01110: 数据文件 1: 'E:\ORADATA\SYSTEM01.DBF'
2024-10-18T04:24:47.114278+08:00
ORA-1547 signalled during: ALTER DATABASE RECOVER    CANCEL  ...
ALTER DATABASE RECOVER CANCEL 
ORA-1112 signalled during: ALTER DATABASE RECOVER CANCEL ...
2024-10-18T04:25:03.989398+08:00
alter database open resetlogs
2024-10-18T04:25:05.598781+08:00
RESETLOGS is being done without consistancy checks. This may result
in a corrupted database. The database should be recreated.
RESETLOGS after incomplete recovery UNTIL CHANGE 2666786639 time 
Resetting resetlogs activation ID 3659241623 (0xda1b9897)
2024-10-18T04:25:12.380089+08:00
Setting recovery target incarnation to 3
2024-10-18T04:25:15.052071+08:00
Ping without log force is disabled:
  instance mounted in exclusive mode.
Endian type of dictionary set to little
2024-10-18T04:25:15.458286+08:00
Assigning activation ID 3703362676 (0xdcbcd474)
2024-10-18T04:25:15.505102+08:00
TT00 (PID:4092): Gap Manager starting
2024-10-18T04:25:15.551992+08:00
Redo log for group 1, sequence 1 is not located on DAX storage
2024-10-18T04:25:17.833250+08:00
Thread 1 opened at log sequence 1
  Current log# 1 seq# 1 mem# 0: E:\ORADATA\REDO01.LOG
Successful open of redo thread 1
2024-10-18T04:25:17.848888+08:00
MTTR advisory is disabled because FAST_START_MTTR_TARGET is not set
stopping change tracking
2024-10-18T04:25:22.052035+08:00
Undo initialization recovery: err:0 start: 24275578 end: 24276578 diff: 1000 ms (1.0 seconds)
Undo initialization online undo segments: err:0 start: 24276578 end: 24276593 diff: 15 ms (0.0 seconds)
Undo initialization finished serial:0 start:24275578 end:24276640 diff:1062 ms (1.1 seconds)
Dictionary check beginning
Dictionary check complete
Verifying minimum file header compatibility for tablespace encryption..
Verifying file header compatibility for tablespace encryption completed for pdb 0
2024-10-18T04:25:23.114610+08:00
Database Characterset is AL32UTF8
No Resource Manager plan active
2024-10-18T04:25:29.036475+08:00
replication_dependency_tracking turned off (no async multimaster replication found)
2024-10-18T04:25:32.833386+08:00
LOGSTDBY: Validating controlfile with logical metadata
LOGSTDBY: Validation complete
Starting background process AQPC
2024-10-18T04:25:33.145881+08:00
AQPC started with pid=37, OS id=5560 
2024-10-18T04:25:35.677167+08:00
Starting background process CJQ0
2024-10-18T04:25:35.708430+08:00
CJQ0 started with pid=39, OS id=2728 
2024-10-18T04:25:36.724036+08:00
Completed: alter database open resetlogs

然后导出数据到新库,其中遇到了file# 66号文件最后丢失的20M引起的数据无法正常导出的问题处理（丢弃损坏部分数据,把剩余好的表中数据恢复到新库中）