OCR和votedisk备份与还原

最新推荐文章于 2021-11-23 23:55:20 发布
最新推荐文章于 2021-11-23 23:55:20 发布
阅读量1k 收藏 3
点赞数 1
分类专栏： 数据库 文章标签： oracle

转：http://my.youkuaiyun.com/yangzhawen

—1.执行OCR文件的手动备份

[root@rac1 ~]# ocrconfig -manualbackup

[root@rac1 ~]# ocrconfig -manualbackup

rac1     2016/01/21 19:03:06     /g01/app/11.2.0/grid/cdata/rac-cluster/backup_20160121_190306.ocr

rac1     2016/01/21 18:40:18     /g01/app/11.2.0/grid/cdata/rac-cluster/backup_20160121_184018.ocr

rac1     2016/01/21 18:13:32     /g01/app/11.2.0/grid/cdata/rac-cluster/backup_20160121_181332.ocr

–2.查看OCR的备份

[root@rac1 ~]# ocrconfig -showbackup 

rac1     2016/01/21 18:54:52     /g01/app/11.2.0/grid/cdata/rac-cluster/backup00.ocr

rac1     2016/01/21 14:54:49     /g01/app/11.2.0/grid/cdata/rac-cluster/backup01.ocr

rac1     2016/01/21 10:54:46     /g01/app/11.2.0/grid/cdata/rac-cluster/backup02.ocr

rac1     2016/01/20 02:44:37     /g01/app/11.2.0/grid/cdata/rac-cluster/day.ocr

rac1     2016/01/16 20:26:01     /g01/app/11.2.0/grid/cdata/rac-cluster/week.ocr

rac1     2016/01/21 19:03:06     /g01/app/11.2.0/grid/cdata/rac-cluster/backup_20160121_190306.ocr

rac1     2016/01/21 18:40:18     /g01/app/11.2.0/grid/cdata/rac-cluster/backup_20160121_184018.ocr

rac1     2016/01/21 18:13:32     /g01/app/11.2.0/grid/cdata/rac-cluster/backup_20160121_181332.ocr

—-3.查看votedisk

[root@rac1 ~]# crsctl query css votedisk

##  STATE    File Universal Id                File Name Disk group
--  -----    -----------------                --------- ---------
 1. ONLINE   82c35688a9654f47bfc14ebf973821a6 (/dev/asm-diskb) [OCR]
Located 1 voting disk(s).

—4.停止数据库和群集
停库：

[root@rac1 ~]# srvctl stop database -d racdb -o immediate 
[root@rac1 ~]# crsctl status resource -t
--------------------------------------------------------------------------------
NAME           TARGET  STATE        SERVER                   STATE_DETAILS       
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.DATA.dg
               ONLINE  ONLINE       rac1                                         
               ONLINE  ONLINE       rac2                                         
ora.FRA.dg
               ONLINE  ONLINE       rac1                                         
               ONLINE  ONLINE       rac2                                         
ora.LISTENER.lsnr
               ONLINE  ONLINE       rac1                                         
               ONLINE  ONLINE       rac2                                         
ora.OCR.dg
               ONLINE  ONLINE       rac1                                         
               ONLINE  ONLINE       rac2                                         
ora.asm
               ONLINE  ONLINE       rac1                     Started             
               ONLINE  ONLINE       rac2                     Started             
ora.gsd
               OFFLINE OFFLINE      rac1                                         
               OFFLINE OFFLINE      rac2                                         
ora.net1.network
               ONLINE  ONLINE       rac1                                         
               ONLINE  ONLINE       rac2                                         
ora.ons
               ONLINE  ONLINE       rac1                                         
               ONLINE  ONLINE       rac2                                         
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.LISTENER_SCAN1.lsnr
      1        ONLINE  ONLINE       rac1                                         
ora.cvu
      1        ONLINE  ONLINE       rac1                                         
ora.oc4j
      1        ONLINE  ONLINE       rac1                                         
ora.rac1.vip
      1        ONLINE  ONLINE       rac1                                         
ora.rac2.vip
      1        ONLINE  ONLINE       rac2                                         
ora.racdb.db
      1        OFFLINE OFFLINE                               Instance Shutdown   
      2        OFFLINE OFFLINE                               Instance Shutdown   
ora.scan1.vip
      1        ONLINE  ONLINE       rac1

停集群:

[root@rac1 ~]# crsctl stop cluster -all 
CRS-2673: Attempting to stop 'ora.crsd' on 'rac1'
CRS-2790: Starting shutdown of Cluster Ready Services-managed resources on 'rac1'
CRS-2673: Attempting to stop 'ora.LISTENER_SCAN1.lsnr' on 'rac1'
CRS-2673: Attempting to stop 'ora.LISTENER.lsnr' on 'rac1'
CRS-2673: Attempting to stop 'ora.OCR.dg' on 'rac1'
CRS-2673: Attempting to stop 'ora.DATA.dg' on 'rac1'
CRS-2673: Attempting to stop 'ora.FRA.dg' on 'rac1'
CRS-2673: Attempting to stop 'ora.cvu' on 'rac1'
CRS-2673: Attempting to stop 'ora.oc4j' on 'rac1'
CRS-2677: Stop of 'ora.cvu' on 'rac1' succeeded
CRS-2677: Stop of 'ora.LISTENER_SCAN1.lsnr' on 'rac1' succeeded
CRS-2673: Attempting to stop 'ora.scan1.vip' on 'rac1'
CRS-2677: Stop of 'ora.LISTENER.lsnr' on 'rac1' succeeded
CRS-2673: Attempting to stop 'ora.rac1.vip' on 'rac1'
CRS-2677: Stop of 'ora.DATA.dg' on 'rac1' succeeded
CRS-2677: Stop of 'ora.FRA.dg' on 'rac1' succeeded
CRS-2677: Stop of 'ora.scan1.vip' on 'rac1' succeeded
CRS-2677: Stop of 'ora.rac1.vip' on 'rac1' succeeded
CRS-2673: Attempting to stop 'ora.crsd' on 'rac2'
CRS-2790: Starting shutdown of Cluster Ready Services-managed resources on 'rac2'
CRS-2673: Attempting to stop 'ora.OCR.dg' on 'rac2'
CRS-2673: Attempting to stop 'ora.DATA.dg' on 'rac2'
CRS-2673: Attempting to stop 'ora.FRA.dg' on 'rac2'
CRS-2673: Attempting to stop 'ora.LISTENER.lsnr' on 'rac2'
CRS-2677: Stop of 'ora.LISTENER.lsnr' on 'rac2' succeeded
CRS-2673: Attempting to stop 'ora.rac2.vip' on 'rac2'
CRS-2677: Stop of 'ora.DATA.dg' on 'rac2' succeeded
CRS-2677: Stop of 'ora.FRA.dg' on 'rac2' succeeded
CRS-2677: Stop of 'ora.rac2.vip' on 'rac2' succeeded
CRS-2677: Stop of 'ora.OCR.dg' on 'rac1' succeeded
CRS-2673: Attempting to stop 'ora.asm' on 'rac1'
CRS-2677: Stop of 'ora.asm' on 'rac1' succeeded
CRS-2677: Stop of 'ora.OCR.dg' on 'rac2' succeeded
CRS-2673: Attempting to stop 'ora.asm' on 'rac2'
CRS-2677: Stop of 'ora.asm' on 'rac2' succeeded
CRS-2673: Attempting to stop 'ora.ons' on 'rac2'
CRS-2677: Stop of 'ora.ons' on 'rac2' succeeded
CRS-2673: Attempting to stop 'ora.net1.network' on 'rac2'
CRS-2677: Stop of 'ora.net1.network' on 'rac2' succeeded
CRS-2792: Shutdown of Cluster Ready Services-managed resources on 'rac2' has completed
CRS-2677: Stop of 'ora.crsd' on 'rac2' succeeded
CRS-2673: Attempting to stop 'ora.ctssd' on 'rac2'
CRS-2673: Attempting to stop 'ora.evmd' on 'rac2'
CRS-2673: Attempting to stop 'ora.asm' on 'rac2'
CRS-2677: Stop of 'ora.evmd' on 'rac2' succeeded
CRS-2677: Stop of 'ora.oc4j' on 'rac1' succeeded
CRS-2673: Attempting to stop 'ora.ons' on 'rac1'
CRS-2677: Stop of 'ora.ons' on 'rac1' succeeded
CRS-2673: Attempting to stop 'ora.net1.network' on 'rac1'
CRS-2677: Stop of 'ora.net1.network' on 'rac1' succeeded
CRS-2792: Shutdown of Cluster Ready Services-managed resources on 'rac1' has completed
CRS-2677: Stop of 'ora.crsd' on 'rac1' succeeded
CRS-2673: Attempting to stop 'ora.ctssd' on 'rac1'
CRS-2673: Attempting to stop 'ora.evmd' on 'rac1'
CRS-2673: Attempting to stop 'ora.asm' on 'rac1'
CRS-2677: Stop of 'ora.ctssd' on 'rac2' succeeded
CRS-2677: Stop of 'ora.ctssd' on 'rac1' succeeded
CRS-2677: Stop of 'ora.evmd' on 'rac1' succeeded
CRS-2677: Stop of 'ora.asm' on 'rac2' succeeded
CRS-2673: Attempting to stop 'ora.cluster_interconnect.haip' on 'rac2'
CRS-2677: Stop of 'ora.cluster_interconnect.haip' on 'rac2' succeeded
CRS-2673: Attempting to stop 'ora.cssd' on 'rac2'
CRS-2677: Stop of 'ora.cssd' on 'rac2' succeeded
CRS-2677: Stop of 'ora.asm' on 'rac1' succeeded
CRS-2673: Attempting to stop 'ora.cluster_interconnect.haip' on 'rac1'
CRS-2677: Stop of 'ora.cluster_interconnect.haip' on 'rac1' succeeded
CRS-2673: Attempting to stop 'ora.cssd' on 'rac1'
CRS-2677: Stop of 'ora.cssd' on 'rac1' succeeded


[root@rac1 ~]#  crsctl check crs
CRS-4638: Oracle High Availability Services is online
CRS-4535: Cannot communicate with Cluster Ready Services
CRS-4530: Communications failure contacting Cluster Synchronization Services daemon
CRS-4534: Cannot communicate with Event Manager


[root@rac1 ~]# crsctl stop crs
CRS-2791: Starting shutdown of Oracle High Availability Services-managed resources on 'rac1'
CRS-2673: Attempting to stop 'ora.mdnsd' on 'rac1'
CRS-2673: Attempting to stop 'ora.crf' on 'rac1'
CRS-2677: Stop of 'ora.mdnsd' on 'rac1' succeeded
CRS-2677: Stop of 'ora.crf' on 'rac1' succeeded
CRS-2673: Attempting to stop 'ora.gipcd' on 'rac1'
CRS-2677: Stop of 'ora.gipcd' on 'rac1' succeeded
CRS-2673: Attempting to stop 'ora.gpnpd' on 'rac1'
CRS-2677: Stop of 'ora.gpnpd' on 'rac1' succeeded
CRS-2793: Shutdown of Oracle High Availability Services-managed resources on 'rac1' has completed
CRS-4133: Oracle High Availability Services has been stopped.
[root@rac1 ~]# crsctl status resource -t
CRS-4535: Cannot communicate with Cluster Ready Services
CRS-4000: Command Status failed, or completed with errors.

–5.破坏表决磁盘和OCR

[root@rac1 ~]# dd if=/dev/zero of=/dev/asm-diskb bs=1024k count=1
1+0 records in
1+0 records out
1048576 bytes (1.0 MB) copied, 0.0371992 s, 28.2 MB/s

—6.启动crs查看错误

[root@rac1 ~]# crsctl start cluster -all  
CRS-4639: Could not contact Oracle High Availability Services
CRS-4000: Command Start failed, or completed with errors.

[root@rac1 ~]#  crsctl start cluster -all  
CRS-2672: Attempting to start 'ora.cssdmonitor' on 'rac2'
CRS-2676: Start of 'ora.cssdmonitor' on 'rac2' succeeded
CRS-2672: Attempting to start 'ora.cssd' on 'rac2'
CRS-2672: Attempting to start 'ora.diskmon' on 'rac2'
CRS-2676: Start of 'ora.diskmon' on 'rac2' succeeded  --停在这里


---7.停止crs
[root@rac1 bin]# ./crsctl stop crs -f
CRS-2791: Starting shutdown of Oracle High Availability Services-managed resources on 'rac1'
CRS-2673: Attempting to stop 'ora.mdnsd' on 'rac1'
CRS-2677: Stop of 'ora.mdnsd' on 'rac1' succeeded
CRS-2673: Attempting to stop 'ora.crf' on 'rac1'
CRS-2677: Stop of 'ora.crf' on 'rac1' succeeded
CRS-2673: Attempting to stop 'ora.gipcd' on 'rac1'
CRS-2677: Stop of 'ora.gipcd' on 'rac1' succeeded
CRS-2673: Attempting to stop 'ora.gpnpd' on 'rac1'
CRS-2677: Stop of 'ora.gpnpd' on 'rac1' succeeded
CRS-2793: Shutdown of Oracle High Availability Services-managed resources on 'rac1' has completed
CRS-4133: Oracle High Availability Services has been stopped.

—-8.以独占模式启动crs

[root@rac1 ~]# crsctl start crs -excl -nocrs
CRS-4123: Oracle High Availability Services has been started.
CRS-2672: Attempting to start 'ora.mdnsd' on 'rac1'
CRS-2676: Start of 'ora.mdnsd' on 'rac1' succeeded
CRS-2672: Attempting to start 'ora.gpnpd' on 'rac1'
CRS-2676: Start of 'ora.gpnpd' on 'rac1' succeeded
CRS-2672: Attempting to start 'ora.cssdmonitor' on 'rac1'
CRS-2672: Attempting to start 'ora.gipcd' on 'rac1'
CRS-2676: Start of 'ora.cssdmonitor' on 'rac1' succeeded
CRS-2676: Start of 'ora.gipcd' on 'rac1' succeeded
CRS-2672: Attempting to start 'ora.cssd' on 'rac1'
CRS-2672: Attempting to start 'ora.diskmon' on 'rac1'
CRS-2676: Start of 'ora.diskmon' on 'rac1' succeeded
CRS-2676: Start of 'ora.cssd' on 'rac1' succeeded
CRS-2679: Attempting to clean 'ora.cluster_interconnect.haip' on 'rac1'
CRS-2672: Attempting to start 'ora.ctssd' on 'rac1'
CRS-2681: Clean of 'ora.cluster_interconnect.haip' on 'rac1' succeeded
CRS-2672: Attempting to start 'ora.cluster_interconnect.haip' on 'rac1'
CRS-2676: Start of 'ora.ctssd' on 'rac1' succeeded
CRS-2676: Start of 'ora.cluster_interconnect.haip' on 'rac1' succeeded
CRS-2672: Attempting to start 'ora.asm' on 'rac1'
CRS-2676: Start of 'ora.asm' on 'rac1' succeeded


[root@rac1 ~]# crsctl query css votedisk
Located 0 voting disk(s).

–9.重建原ocr和votedisk所在磁盘组

sqlplus / as sysasm

col path for a50
set lines 300
select path,header_status from v$asm_disk; 

PATH                           HEADER_STATUS
-------------------------------------------------- ------------------------------------
/dev/asm-diskb                       CANDIDATE
/dev/asm-diskc                       MEMBER
/dev/asm-diskd                       MEMBER


create diskgroup OCR
external redundancy
disk '/dev/asm-diskb' 
attribute 'compatible.rdbms' = '11.2','compatible.asm' = '11.2';


SQL> select path,header_status from v$asm_disk; 

PATH                           HEADER_STATUS
-------------------------------------------------- ------------------------------------
/dev/asm-diskd                       MEMBER
/dev/asm-diskc                       MEMBER
/dev/asm-diskb                       MEMBER


ASMCMD> lsdg
State    Type    Rebal  Sector  Block       AU  Total_MB  Free_MB  Req_mir_free_MB  Usable_file_MB  Offline_disks  Voting_files  Name
MOUNTED  EXTERN  N         512   4096  1048576      2016     1966                0            1966              0             N  OCR/





SQL> show parameter asm_diskstring

如果asm_diskstring没有值，表示ASM磁盘用的是默认ASM磁盘搜索路径。

修改成实际的ASM磁盘搜索路径：

SQL> alter system set asm_diskstring='/dev/*';

手动加载diskgroup

SQL> alter diskgroup data mount;

Diskgroup altered.

SQL> alter diskgroup fra mount;

Diskgroup altered.

ASMCMD> lsdg
State    Type    Rebal  Sector  Block       AU  Total_MB  Free_MB  Req_mir_free_MB  Usable_file_MB  Offline_disks  Voting_files  Name
MOUNTED  EXTERN  N         512   4096  1048576     40000    37339                0           37339              0             N  DATA/
MOUNTED  EXTERN  N         512   4096  1048576     30016    29686                0           29686              0             N  FRA/
MOUNTED  EXTERN  N         512   4096  1048576      2016     1966                0            1966              0             N  OCR/

—-10.恢复VOTEDISK和OCR

---查看备份
[root@rac1 ~]# ls -al /g01/app/11.2.0/grid/cdata/rac-cluster/
total 63672
drwxrwxr-x 2 grid oinstall    4096 Jan 21 19:03 .
drwxrwxr-x 5 grid oinstall    4096 Jan 16 16:06 ..
-rw------- 1 root root     7315456 Jan 21 18:54 backup00.ocr
-rw------- 1 root root     7266304 Jan 21 14:54 backup01.ocr
-rw------- 1 root root     7266304 Jan 21 10:54 backup02.ocr
-rw------- 1 root root     7266304 Jan 21 18:13 backup_20160121_181332.ocr
-rw------- 1 root root     7294976 Jan 21 18:40 backup_20160121_184018.ocr
-rw------- 1 root root     7315456 Jan 21 19:03 backup_20160121_190306.ocr
-rw------- 1 root root     7266304 Jan 21 02:54 day_.ocr
-rw------- 1 root root     7266304 Jan 20 02:44 day.ocr
-rw------- 1 root root     6934528 Jan 16 20:26 week.ocr


[root@rac1 ~]# ocrconfig -showbackup
PROT-26: Oracle Cluster Registry backup locations were retrieved from a local copy

rac1     2016/01/21 18:54:52     /g01/app/11.2.0/grid/cdata/rac-cluster/backup00.ocr

rac1     2016/01/21 14:54:49     /g01/app/11.2.0/grid/cdata/rac-cluster/backup01.ocr

rac1     2016/01/21 10:54:46     /g01/app/11.2.0/grid/cdata/rac-cluster/backup02.ocr

rac1     2016/01/20 02:44:37     /g01/app/11.2.0/grid/cdata/rac-cluster/day.ocr

rac1     2016/01/16 20:26:01     /g01/app/11.2.0/grid/cdata/rac-cluster/week.ocr

rac1     2016/01/21 18:40:18     /g01/app/11.2.0/grid/cdata/rac-cluster/backup_20160121_184018.ocr

rac1     2016/01/21 18:13:32     /g01/app/11.2.0/grid/cdata/rac-cluster/backup_20160121_181332.ocr


[root@rac1 ~]# ocrconfig -showbackup manual
PROT-26: Oracle Cluster Registry backup locations were retrieved from a local copy

rac1     2016/01/21 18:40:18     /g01/app/11.2.0/grid/cdata/rac-cluster/backup_20160121_184018.ocr

rac1     2016/01/21 18:13:32     /g01/app/11.2.0/grid/cdata/rac-cluster/backup_20160121_181332.ocr


#ocrconfig -restore  /g01/app/11.2.0/grid/cdata/rac-cluster/backup00.ocr

[root@rac1 ~]# crsctl replace votedisk  +OCR
Successful addition of voting disk 75b8db60ea4b4fefbf783d9b81527150.
Successfully replaced voting disk group with +OCR.
CRS-4266: Voting file(s) successfully replaced

[root@rac1 ~]# crsctl query css votedisk
##  STATE    File Universal Id                File Name Disk group
--  -----    -----------------                --------- ---------
 1. ONLINE   75b8db60ea4b4fefbf783d9b81527150 (/dev/asm-diskb) [OCR]
Located 1 voting disk(s).

—-11.停止CRS

[root@rac1 ~]# crsctl stop  crs -f
CRS-2791: Starting shutdown of Oracle High Availability Services-managed resources on 'rac1'
CRS-2673: Attempting to stop 'ora.mdnsd' on 'rac1'
CRS-2673: Attempting to stop 'ora.ctssd' on 'rac1'
CRS-2673: Attempting to stop 'ora.asm' on 'rac1'
CRS-2677: Stop of 'ora.ctssd' on 'rac1' succeeded
CRS-2677: Stop of 'ora.mdnsd' on 'rac1' succeeded
CRS-2677: Stop of 'ora.asm' on 'rac1' succeeded
CRS-2673: Attempting to stop 'ora.cluster_interconnect.haip' on 'rac1'
CRS-2677: Stop of 'ora.cluster_interconnect.haip' on 'rac1' succeeded
CRS-2673: Attempting to stop 'ora.cssd' on 'rac1'
CRS-2677: Stop of 'ora.cssd' on 'rac1' succeeded
CRS-2673: Attempting to stop 'ora.gipcd' on 'rac1'
CRS-2677: Stop of 'ora.gipcd' on 'rac1' succeeded
CRS-2673: Attempting to stop 'ora.gpnpd' on 'rac1'
CRS-2677: Stop of 'ora.gpnpd' on 'rac1' succeeded
CRS-2793: Shutdown of Oracle High Availability Services-managed resources on 'rac1' has completed
CRS-4133: Oracle High Availability Services has been stopped.

—12.正常启动crs

[root@rac1 ~]# crsctl start crs
CRS-4123: Oracle High Availability Services has been started.


[root@rac1 ~]# crsctl check crs
CRS-4638: Oracle High Availability Services is online
CRS-4535: Cannot communicate with Cluster Ready Services
CRS-4529: Cluster Synchronization Services is online
CRS-4533: Event Manager is online



[root@rac1 ~]# crsctl status resource -t
--------------------------------------------------------------------------------
NAME           TARGET  STATE        SERVER                   STATE_DETAILS       
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.DATA.dg
               ONLINE  ONLINE       rac1                                         
               ONLINE  ONLINE       rac2                                         
ora.FRA.dg
               ONLINE  ONLINE       rac1                                         
               ONLINE  ONLINE       rac2                                         
ora.LISTENER.lsnr
               ONLINE  ONLINE       rac1                                         
               ONLINE  ONLINE       rac2                                         
ora.OCR.dg
               ONLINE  ONLINE       rac1                                         
               ONLINE  ONLINE       rac2                                         
ora.asm
               ONLINE  ONLINE       rac1                     Started             
               ONLINE  ONLINE       rac2                     Started             
ora.gsd
               OFFLINE OFFLINE      rac1                                         
               OFFLINE OFFLINE      rac2                                         
ora.net1.network
               ONLINE  ONLINE       rac1                                         
               ONLINE  ONLINE       rac2                                         
ora.ons
               ONLINE  ONLINE       rac1                                         
               ONLINE  ONLINE       rac2                                         
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.LISTENER_SCAN1.lsnr
      1        ONLINE  ONLINE       rac1                                         
ora.cvu
      1        ONLINE  ONLINE       rac1                                         
ora.oc4j
      1        ONLINE  ONLINE       rac1                                         
ora.rac1.vip
      1        ONLINE  ONLINE       rac1                                         
ora.rac2.vip
      1        ONLINE  ONLINE       rac2                                         
ora.racdb.db
      1        ONLINE  ONLINE       rac1                     Open                
      2        ONLINE  ONLINE       rac2                     Open                
ora.scan1.vip
      1        ONLINE  ONLINE       rac1
oracle ocr votedisk 备份恢复
LiHong2012的专栏
02-26 1539
一、检查ocr和votedisk信息 1、查看ocr信息 [root@racnode1 bin]# ocrcheck Status of Oracle Cluster Registry is asfollows :         Version                  :          3         Total space (kbytes)     :     26
Oracle OCR，Vote disk故障恢复方案
最新发布
PiscesCanon的博客
04-23 1086
OracleOCR，Vote disk故障恢复方案 1 概述 OCR/Vote disk 磁盘组故障场景恢复操作方案。 测试版本：11.2.0.4.0 适用于以下场景： 操作维护 OCR/Vote disk 对应的磁盘组，提前备份了 OCR 文件信息，以便存在回退维护的空间。 由于某些原因导致 OCR/Vote disk 的磁盘组丢失从而 CRS stack 无法运行。 不存在有效的 O...
oracle vote disk和ocr disk备份与恢复
weixin_34320159的博客
10-10 142
1.ocr磁盘简介         健忘问题是由于每个节点都有配置信息的拷贝，修改节点的配置信息不同步引起的。Oracle采用的解决方法就是把这个配置文件放在共享的存储上， 这个文件就是 OCR Disk.整个OCR的信息是树形结构的,主要分为3大分支.分别是SYSTEM,DATABASE和CRS,每个人分支都有许多小分支,只能由root用户修改.ocr每4个小时备份一次,只保留5个文件,当天保留...
管理OCR与VoteDisk
congxinlan3332的博客
03-07 148
Oracle Clusterware由2部分组成，分别是Voting Disk和OCR。Voting Disk里面记录着节点成员的信息。如RAC数据库中有哪些节点成员，节点增加或者删除时也同样会将信息记录进来。Voting Di...
oracle votedisk ocr,oracle vote disk和ocr disk备份与恢复
weixin_42571738的博客
04-03 348
1.ocr磁盘简介健忘问题是由于每个节点都有配置信息的拷贝，修改节点的配置信息不同步引起的。Oracle采用的解决方法就是把这个配置文件放在共享的存储上， 这个文件就是 OCR Disk.整个OCR的信息是树形结构的,主要分为3大分支.分别是SYSTEM,DATABASE和CRS,每个人分支都有许多小分支,只能由root用户修改.ocr每4个小时备份一次,只保留5个文件,当天保留3个文件,上个星期...
RAC关键信息（OCR/VOTE DISK/ASM DISK HEADER）备份
congjianqing1076的博客
11-02 164
2011-10-02 18:10:14|分类： Oacle RAC |标签：racasmocrvoting |字号大中小订阅 1、OCR信息 oracle会每小时备份一次o...
rac 火星舱如何备份oracle_Oracle RAC备份与恢复
weixin_39935092的博客
12-19 407
1、Oracle物理备份主要针对以下文件：数据文件、控制文件、归档日志、参数文件(pfile和 spfile)RMAN可以备份除了pfile以外的其他文件。无论数据库处于ARCHIVELOG模式还是NOARCHIVELOG模式，online redo都不需要备份。2、RMAN能够自动理解Oracle RAC数据库。对于比较大的数据库来说，如果备份与恢复时间要求非常严格，可以考虑使用磁盘镜像技术，对...
11gR2 ocr votedisk的恢复测试
DATA
07-26 2354
先做一些检查： 1.检查ocr的完整性 root@oeltan1 ~]# su - grid [grid@oeltan1 ~]$ cluvfy comp ocr -n all Verifying OCR integrity  Checking OCR integrity... Checking the absence of a non-clustered
oracle11gRAC votingdisk全部丢失处理
orabing的博客
12-11 1004
环境：oracle linux 6.7+oracle11.2.0.4 RAC 因在存储上误操作仲裁盘全部丢失，从而导致rac数据库崩溃无法再启动。 1、现象 fdisk以及multipath中无法找到ocr所在磁盘 tail -100 alertdgdb1.log 集群日志出现： [cssd(18729)]CRS-1714:Unable to discover any voting
Oracle 12C 数据恢复步骤
weiyya的博客
01-17 2892
1.1.1  场景 2016年04月25日，由于操作失误，执行了数据库安装时的磁盘设置脚本，所有磁盘前100M数据被清除。导致数据库无法使用。4月22日对数据库进行了全库备份（仅包括数据文件），spfile，control文件均未备份。 1.1.2  操作步骤 使用CRS自动备份的文件恢复OCR ，使用备份的pfile生成spfile，启动数据库后，使用数据库自动生成的control文件的快
11.2 voting disk的备份及恢复
cijinli4767的博客
06-06 137
Backing Up Voting DisksInOracle Clusterware 11grelease 2 (11.2), you no longer have to back up the voting disk. ...
OCR与VOTEDISK的备份恢复
Super菜的专栏
01-20 1102
votedisk的备份 [grid@rac1 ~]$ crsctl query css votedisk ## STATE File Universal Id File Name Disk group -- ----- ----------------- --------- --------- 1. ONLINE 1
备份及恢复votedisk
loryliu的专栏
07-01 565
oracle clusterware 10.2.0.5 on OEL 5.8 配置了三块votesdisk： ./crsctl query css votedisk [root@sdb1 bin]# ./crsctl query css votedisk  0.     0    /dev/raw/raw3  1.     0    /dev/raw/raw4  2.     0
Oracle 11gR2 RAC恢复OCR和VOTE DISK
weixin_33842304的博客
10-21 239
Oracle 11gR2 RAC恢复OCR和VOTE DISK原文链接：http://www.askmaclean.com/archives/11-2-lost-ocr-votedisk-group-recovery.html 之前有同学在我的Oracle Allstarts群里讨论关于丢失包含ocr和votedisk的ASM diskgroup导致11gR2 ...
RAC的OCR和VOTING DISK备份方法
Marvelyu's Notes
12-11 1580
我们知道在对RAC节点做一些配置均需要做好备份工作，以便于能够恢复到配置前的状态，这也是一个DBA的基本素质要求，如下是比较常用的方法： 备份voting disk磁盘 [root@RAC2 bin]# ./crsctl query css votedisk 0.     0    /dev/raw/raw2 located 1 votedisk(s). [root@RAC2 bin]#
Oracle 11g RAC OCR,VOTING DISK存储全部损坏，利用自动备份，恢复到新位置
cuanlielian4510的博客
05-19 299
背景： 11g R2 rac 的orc ,voting disk asm存储磁盘全部损坏。通过调查得知 损坏的 OCR磁盘对应为 VOL1 ， voting disk磁盘对应于 VOL2 。 故，添加...
Votingdisk, OCR, ASM 相关信息及备份与恢复
weixin_34194359的博客
11-16 175
1.Voting disk(表决磁盘)记录节点成员信息，如包含哪些节点成员、节点的添加删除信息 等 ，大小为10M左右。可以通过dd if=/dev/vote_disk bs=8192 count=1000 | od -a > /tmp/vote_disk.out 命令来查看vote_disk里面内容， 除非经常地节点进行添加及删除， 否则其中的...
oracle votedisk 参数,11g r2 rac votedisk 及 ocr 磁盘破坏后，基于ocr备份的恢复步骤
weixin_28695161的博客
04-13 328
环境说明：--votedisk 盘[root@host01 volacfs]# $GRID_HOME/bin/crsctl query css votedisk##STATE File Universal Id File Name Disk group------- ----------------- --------...
手动备份ocr
喝醉酒的小白
11-23 2226
恢复ocr crsctl stop crs -f crsctl start crs -excl -nocrs ocrconfig -restore [ocrconfig -showbackup] crsctl start crs
评论
添加红包

请填写红包祝福语或标题

个

红包个数最小为10个

元

红包金额最低5元

当前余额3.43元 前往充值 >
需支付：10.00元
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付元
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明：

1.余额是钱包充值的虚拟货币，按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载，可以购买VIP、付费专栏及课程。

余额充值