oracle磁盘组改名字的方法

发布时间：2021-09-17 14:37:51 来源：亿速云阅读：243 作者：chen 栏目：关系型数据库

这篇文章主要介绍“oracle磁盘组改名字的方法”，在日常操作中，相信很多人在oracle磁盘组改名字的方法问题上存在疑惑，小编查阅了各式资料，整理出简单好用的操作方法，希望对大家解答”oracle磁盘组改名字的方法”的疑惑有所帮助！接下来，请跟着小编一起来学习吧！

oracle 磁盘组改名字

创建磁盘组的时候不小心把OCR磁盘组的名字起错了，下面模拟如何给ocr磁盘组改名字

参考文档 (文档 ID 1335975.1)

测试环境

操作系统版本 redhat 6.4

数据库版本 11203

现在OCR存放在vote磁盘组，现在将VOTE磁盘组名字修改为OCRDG磁盘组，操作时需要有一个磁盘组做中转磁盘组可以是一块次哦按外部冗余也可以

1.查看集群状态

[root@rac1 ~]# /oracle/app/grid/11.2.0/bin/crsctl stat res -t

--------------------------------------------------------------------------------

NAME TARGET STATE SERVER STATE_DETAILS

--------------------------------------------------------------------------------

Local Resources

--------------------------------------------------------------------------------

ora.ARC.dg

ONLINE ONLINE rac1

ONLINE ONLINE rac2

ora.DATADG01.dg

ONLINE ONLINE rac1

ONLINE ONLINE rac2

ora.DATADG02.dg

ONLINE ONLINE rac1

ONLINE ONLINE rac2

ora.LISTENER.lsnr

ONLINE OFFLINE rac1

ONLINE ONLINE rac2

ora.VOTE.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 rac2

ora.cvu

1 ONLINE ONLINE rac2

ora.oc4j

1 ONLINE ONLINE rac1

ora.orcl.db

1 ONLINE ONLINE rac1 Open

2 ONLINE ONLINE rac2 Open

ora.rac1.vip

1 ONLINE ONLINE rac1

ora.rac2.vip

1 ONLINE ONLINE rac2

ora.scan1.vip

1 ONLINE ONLINE rac2

2.查看ocr的备份，和手工备份，紧急情况下没有ocr的备份也不要紧，

在$CRS_HOME的cdata目录下有ocr的自动备份，默认每天和每周都会保存的，只要没做过架构变更，都一直可用。

[root@rac1 cdata]# pwd

/oracle/app/grid/11.2.0/cdata

[root@rac1 cdata]# ls -lrt

总用量 2852

drwxr-xr-x 2 grid oinstall 4096 1月 17 2016 localhost

drwxr-xr-x 2 grid oinstall 4096 1月 17 2016 rac1

-rw------- 1 root oinstall 272756736 9月 5 07:36 rac1.olr

drwxrwxr-x 2 grid oinstall 4096 9月 5 07:37 rac-cluster

查看ocr磁盘组的未知和votingdisk的位置。

[root@rac1 cdata]# /oracle/app/grid/11.2.0/bin/ocrcheck

Status of Oracle Cluster Registry is as follows :

Version : 3

Total space (kbytes) : 262120

Used space (kbytes) : 2904

Available space (kbytes) : 259216

ID : 635069277

Device/File Name : +VOTE

Device/File integrity check succeeded

Device/File not configured

Cluster registry integrity check succeeded

Logical corruption check succeeded

[root@rac1 cdata]# /oracle/app/grid/11.2.0/bin/crsctl query css votedisk

## STATE File Universal Id File Name Disk group

-- ----- ----------------- --------- ---------

1. ONLINE 956b16ceaff14f4ebf37414725a67350 (/dev/asm-diskb) [VOTE]

2. ONLINE adb3a38f36514f2bbfcaa798303df4a1 (/dev/asm-diskc) [VOTE]

3. ONLINE aa9bfeef2ddd4f01bf212f8e020cd040 (/dev/asm-diskd) [VOTE]

查看OCR备份的位置和情况

查看自动备份：

ocrconfig -showbackup auto

查看手工备份：

ocrconfig -showbackup manual

显示的备份全是系统自动备份ocr的备份，最下面的PROT-25提示没有手动的备份

[root@rac1 cdata]# /oracle/app/grid/11.2.0/bin/ocrconfig -showbackup

rac1 2019/09/05 07:37:35 /oracle/app/grid/11.2.0/cdata/rac-cluster/backup00.ocr

rac1 2019/09/05 03:37:34 /oracle/app/grid/11.2.0/cdata/rac-cluster/backup01.ocr

rac1 2019/09/04 16:44:33 /oracle/app/grid/11.2.0/cdata/rac-cluster/backup02.ocr

rac1 2019/09/04 16:44:33 /oracle/app/grid/11.2.0/cdata/rac-cluster/day.ocr

rac1 2019/09/04 16:44:33 /oracle/app/grid/11.2.0/cdata/rac-cluster/week.ocr

PROT-25: Manual backups for the Oracle Cluster Registry are not available

su - grid

sqlplus / as sysasm

SQL> set line 200 pages 999

SQL> col path for a40

SQL> col name for a40

SQL> select group_number,path,header_status,total_mb/1024 total_GB,free_mb/1024 free_GB,state from v$asm_disk order by 2;

GROUP_NUMBER PATH HEADER_STATU TOTAL_GB FREE_GB STATE

------------ ---------------------------------------- ------------ ---------- ---------- --------

1 /dev/asm-diskb MEMBER 1 .69921875 NORMAL

1 /dev/asm-diskc MEMBER 1 .69921875 NORMAL

1 /dev/asm-diskd MEMBER 1 .69921875 NORMAL

3 /dev/asm-diske MEMBER 5 2.4296875 NORMAL

4 /dev/asm-diskf MEMBER 5 4.90722656 NORMAL

2 /dev/asm-diskg MEMBER 5 4.23242188 NORMAL

3. 替换ocr，用ARC磁盘组作为临时OCR磁盘组（ARC以前事归档的磁盘组只有1个盘外部冗余，大小5G） root执行

[root@rac1 ~]# /oracle/app/grid/11.2.0/bin/ocrconfig -add +ARC

[root@rac1 ~]# /oracle/app/grid/11.2.0/bin/ocrconfig -delete +VOTE

[root@rac1 ~]# /oracle/app/grid/11.2.0/bin/crsctl replace votedisk +ARC

Successful addition of voting disk a1133130973b4f80bfc9a6d917eee626.

Successful deletion of voting disk 6b91880919e64fe3bfc01701f29256d1.

Successful deletion of voting disk 2a0eef6d3ee64f10bfa2040621cef851.

Successful deletion of voting disk a063e70967dd4fdcbf3b32e675c3246a.

Successfully replaced voting disk group with +ARC.

CRS-4266: Voting file(s) successfully replaced

查看替换是否成功，和新的OCR的位置

[root@rac1 ~]# /oracle/app/grid/11.2.0/bin/ocrcheck

Status of Oracle Cluster Registry is as follows :

Version : 3

Total space (kbytes) : 262120

Used space (kbytes) : 2892

Available space (kbytes) : 259228

ID : 1965781783

Device/File Name : +ARC

Device/File integrity check succeeded

Device/File not configured

Cluster registry integrity check succeeded

Logical corruption check succeeded

[root@rac1 ~]# /oracle/app/grid/11.2.0/bin/crsctl query css votedisk

## STATE File Universal Id File Name Disk group

-- ----- ----------------- --------- ---------

1. ONLINE a1133130973b4f80bfc9a6d917eee626 (/dev/asm-diskg) [ARC]

4. 迁移ASM的spfile，从VOTE迁移到ARC diskgroup上

[root@rac1 cdata]# su - grid

[grid@rac1 ~]$ asmcmd

ASMCMD> spget

+VOTE/rac-cluster/asmparameterfile/registry.253.901344197

sqlplus /as sysasm

create pfile='/home/grid/initasm.ora' from spfile;

create spfile='+ARC' from pfile='/home/grid/initasm.ora';

$ORACLE_HOME/bin/gpnptool get

5.重启2个节点的集群

# /oracle/app/grid/11.2.0/bin/crsctl stop crs

# /oracle/app/grid/11.2.0/bin/crsctl start crs

6.卸载原来的VOTE磁盘组，如果磁盘组没有mount就直接跳过执行下一步

# su - grid

$ sqlplus / as sysasm

> alter diskgorup VOTE dismount;

7.重命名磁盘组

原命令[grid@test ~]$ renamedg phase=both dgname=DATA newdgname=CRS asm_diskstring='<disk string>' verbose=true

grid用户执行命令

[grid@rac1 ~]$ renamedg phase=both dgname=VOTE newdgname=OCRDG asm_diskstring='/dev/asm*' verbose=true

NOTE: No asm libraries found in the system

Parsing parameters..

Parameters in effect:

Old DG name : VOTE

New DG name : OCRDG

Phases :

Phase 1

Phase 2

Discovery str : /dev/asm*

Clean : TRUE

Raw only : TRUE

renamedg operation: phase=both dgname=VOTE newdgname=OCRDG asm_diskstring=/dev/asm* verbose=true

Executing phase 1

Discovering the group

Performing discovery with string:/dev/asm*

Identified disk UFS:/dev/asm-diskc with disk number:1 and timestamp (33088676 -1089116160)

Identified disk UFS:/dev/asm-diskb with disk number:0 and timestamp (33088676 -1089116160)

Identified disk UFS:/dev/asm-diskd with disk number:2 and timestamp (33088676 -1089116160)

Checking for hearbeat...

Re-discovering the group

Performing discovery with string:/dev/asm*

Identified disk UFS:/dev/asm-diskc with disk number:1 and timestamp (33088676 -1089116160)

Identified disk UFS:/dev/asm-diskb with disk number:0 and timestamp (33088676 -1089116160)

Identified disk UFS:/dev/asm-diskd with disk number:2 and timestamp (33088676 -1089116160)

Checking if the diskgroup is mounted or used by CSS

Checking disk number:1

Checking disk number:0

Checking disk number:2

Generating configuration file..

Completed phase 1

Executing phase 2

Looking for /dev/asm-diskc

Modifying the header

Looking for /dev/asm-diskb

Modifying the header

Looking for /dev/asm-diskd

Modifying the header

Completed phase 2

Terminating kgfd context 0x7f5dc77880a0

8.查询磁盘信息

SQL> set line 1000

SQL> set pages 599

SQL> col path format a30

SQL> select name,path,group_number,header_status,total_mb,free_mb from v$asm_disk;

NAME PATH GROUP_NUMBER HEADER_STATU TOTAL_MB FREE_MB

------------------------------ ------------------------------ ------------ ------------ ---------- ----------

/dev/asm-diskc 0 MEMBER 0 0

/dev/asm-diskd 0 MEMBER 0 0

/dev/asm-diskb 0 MEMBER 0 0

DATADG01_0000 /dev/asm-diske 2 MEMBER 5120 2488

DATADG02_0000 /dev/asm-diskf 3 MEMBER 5120 5025

ARC_0000 /dev/asm-diskg 1 MEMBER 5120 4011

6 rows selected.

SQL> select name,state,usable_file_mb,total_mb,free_mb,required_mirror_free_mb from v$asm_diskgroup;

NAME STATE USABLE_FILE_MB TOTAL_MB FREE_MB REQUIRED_MIRROR_FREE_MB

------------------------------ ----------- -------------- ---------- ---------- -----------------------

ARC MOUNTED 4011 5120 4011 0

DATADG01 MOUNTED 2488 5120 2488 0

DATADG02 MOUNTED 5025 5120 5025 0

OCRDG DISMOUNTED 0 0 0 0

9.挂载新命名的OCRDG磁盘组

alter diskgorup OCRDG mount;

10 迁移OCR和vote file到新的磁盘CRS

[root@rac1 ~]# /oracle/app/grid/11.2.0/bin/ocrconfig -add +OCRDG

[root@rac1 ~]# /oracle/app/grid/11.2.0/bin/ocrconfig -delete +ARC

[root@rac1 ~]# /oracle/app/grid/11.2.0/bin/crsctl replace votedisk +OCRDG

Successful addition of voting disk a109d7db3f9b4f92bf31f0496ccce75e.

Successful addition of voting disk 7423098d541f4f77bfc41c7672180af9.

Successful addition of voting disk b0a02397b8604f18bfca5319d03f9116.

Successful deletion of voting disk a1133130973b4f80bfc9a6d917eee626.

Successfully replaced voting disk group with +OCRDG.

CRS-4266: Voting file(s) successfully replaced

11.修改SPFILE路径

[root@rac1 ~]# su - grid

[grid@rac1 ~]$ sqlplus / as sysasm

SQL> create spfile='+OCRDG' from pfile='/home/grid/initasm.ora';

File created.

12.重启2个节点的集群

crsctl stop crs

crsctl start crs

13.如果需要删除临时的磁盘组，执行删除命令

drop diskgroup xxxxxx including contents;

14.更新集群信息，因为原来集群中记录的VOTE磁盘组名字改成了OCRDG,

[grid@rac1 ~]$ crsctl stat res -t

--------------------------------------------------------------------------------

NAME TARGET STATE SERVER STATE_DETAILS

--------------------------------------------------------------------------------

Local Resources

--------------------------------------------------------------------------------

ora.ARC.dg

ONLINE ONLINE rac1

ONLINE ONLINE rac2

ora.DATADG01.dg

ONLINE ONLINE rac1

ONLINE ONLINE rac2

ora.DATADG02.dg

ONLINE ONLINE rac1

ONLINE ONLINE rac2

ora.LISTENER.lsnr

ONLINE ONLINE rac1

ONLINE ONLINE rac2

ora.OCRDG.dg

ONLINE ONLINE rac1

ONLINE ONLINE rac2

ora.VOTE.dg

OFFLINE OFFLINE rac1

OFFLINE OFFLINE rac2

[grid@rac1 ~]$ srvctl remove diskgroup -g VOTE

15.验证集群信息，集群资源中没有了VOTE磁盘组

[grid@rac1 ~]$ crsctl stat res -t

--------------------------------------------------------------------------------

NAME TARGET STATE SERVER STATE_DETAILS

--------------------------------------------------------------------------------

Local Resources

--------------------------------------------------------------------------------

ora.ARC.dg

ONLINE ONLINE rac1

ONLINE ONLINE rac2

ora.DATADG01.dg

ONLINE ONLINE rac1

ONLINE ONLINE rac2

ora.DATADG02.dg

ONLINE ONLINE rac1

ONLINE ONLINE rac2

ora.LISTENER.lsnr

ONLINE ONLINE rac1

ONLINE ONLINE rac2

ora.OCRDG.dg

ONLINE ONLINE rac1

ONLINE ONLINE rac2

ora.asm

ONLINE ONLINE rac1 Started

ONLINE ONLINE rac2 Started

到此，关于“oracle磁盘组改名字的方法”的学习就结束了，希望能够解决大家的疑惑。理论与实践的搭配能更好的帮助大家学习，快去试试吧！若想继续学习更多相关知识，请继续关注亿速云网站，小编会继续努力为大家带来更多实用的文章！

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