11gR2RAC更换CRS磁盘组文档
磁盘（pv）准备
在生产环境中，提前从存储上划分一些磁盘挂载到RAC系统的两个节点上（node1,node2).
新增加磁盘组为（hdisk14--hdisk24)
1.1磁盘使用规划
|
磁盘名称 |
磁盘大小 |
所处存储 |
计划用途 |
故障组 |
|
hdisk14 |
500G |
NEW |
DATA磁盘组 |
DATA_0000 |
|
hdisk15 |
500G |
NEW |
DATA磁盘组 |
DATA_0001 |
|
hdisk16 |
500G |
NEW |
DATA磁盘组 |
DATA_0002 |
|
hdisk17 |
500G |
NEW |
DATA磁盘组 |
DATA_0003 |
|
hdisk18 |
500G |
NEW |
DATA磁盘组 |
DATA_0004 |
|
hdisk19 |
50G |
NEW |
TOCR磁盘组 |
|
|
hdisk20 |
50G |
NEW |
NCRS磁盘组 |
|
|
hdisk21 |
50G |
NEW |
NCRS磁盘组 |
|
|
hdisk22 |
200G |
归档日志 |
||
|
hdisk23 |
200G |
归档日志 |
||
|
hdisk24 |
50G |
OLD |
NCRS磁盘组 |
1.2检查磁盘的属性（两个节点）
lsattr -El hdisk14 | grep reserve
lsattr -El hdisk15 | grep reserve
lsattr -El hdisk16 | grep reserve
lsattr -El hdisk17 | grep reserve
lsattr -El hdisk18 | grep reserve
lsattr -El hdisk19 | grep reserve
lsattr -El hdisk20 | grep reserve
lsattr -El hdisk21 | grep reserve
lsattr -El hdisk24 | grep reserve
1.3更改磁盘的属性以支持并行操作（两个节点）
chdev -l hdisk14 -a reserve_policy=no_reserve
chdev -l hdisk15 -a reserve_policy=no_reserve
chdev -l hdisk16 -a reserve_policy=no_reserve
chdev -l hdisk17 -a reserve_policy=no_reserve
chdev -l hdisk18 -a reserve_policy=no_reserve
chdev -l hdisk19 -a reserve_policy=no_reserve
chdev -l hdisk20 -a reserve_policy=no_reserve
chdev -l hdisk21 -a reserve_policy=no_reserve
chdev -l hdisk24 -a reserve_policy=no_reserve
chdev -l hdisk14 -a reserve_lock=no
chdev -l hdisk15 -a reserve_lock=no
chdev -l hdisk16 -a reserve_lock=no
chdev -l hdisk17 -a reserve_lock=no
chdev -l hdisk18 -a reserve_lock=no
chdev -l hdisk19 -a reserve_lock=no
chdev -l hdisk20 -a reserve_lock=no
chdev -l hdisk21 -a reserve_lock=no
1.4修改字符设备的属组、权限（两个节点）
chown grid:dba /dev/rhdisk13
chown grid:dba /dev/rhdisk14
chown grid:dba /dev/rhdisk15
chown grid:dba /dev/rhdisk16
chown grid:dba /dev/rhdisk17
chown grid:dba /dev/rhdisk18
chown grid:dba /dev/rhdisk19
chown grid:dba /dev/rhdisk20
chown grid:dba /dev/rhdisk21
chown grid:dba /dev/rhdisk24
chmod 660 /dev/rhdisk13
chmod 660 /dev/rhdisk14
chmod 660 /dev/rhdisk15
chmod 660 /dev/rhdisk16
chmod 660 /dev/rhdisk17
chmod 660 /dev/rhdisk18
chmod 660 /dev/rhdisk19
chmod 660 /dev/rhdisk20
chmod 660 /dev/rhdisk21
chmod 660 /dev/rhdisk24
1.5查看磁盘的信息
ls -l /dev/rhdisk*
创建ASM磁盘组（节点1执行即可）
创建ASM磁盘组[示意] (grid用户)
[grid]$asmca
输入磁盘组名,采用外部冗余,然后选择磁盘.
数据库开启归档
3.1在一个节点上Oracle进行开启归档操作
sqlplus / as sysdba
create pfile='/home/oracle/racdbinit.ora' from spfile;
alter system set log_archive_dest_1='location=/arch1' sid='racdb1';
alter system set log_archive_dest_1='location=/arch2' sid='racdb2';
3.2停止所有数据库实例
oracle:
srvctl stop database -d racdb
3.3启动一个实例到mount状态
sqlplus / as sysdba
startup mount;
3.4开启归档日志：
alter database archivelog;
3.5停止所有数据库实例
oracle:
srvctl stop database -d racdb
3.6启动所有数据库实例
oracle:
srvctl start database -d racdb
数据库备份
由主机实施工程师将节点1上的/arch1使用NFS挂载到节点2的/arch2上，在节点2上使用如下mount命令挂载：
mount -v nfs -o rw,bg,hard,rsize=32768,wsize=32768,vers=3,nointr,timeo=600,proto=tcp 192.1.2.51:/arch1 /arch1
使用oracle用户登录节点2，使用rman备份数据库，备份脚本如下：
rman target /
backup database format '/arch2/rman/racdb_%U';
停止数据库
使用oracle用户管理所有数据库实例：
srvctl stop database -d racdb
更换CRS磁盘组
6.1查看当前集群的状态
[grid@node1 ~]$ crsctl stat res -t
--------------------------------------------------------------------------------
NAME TARGET STATE SERVER STATE_DETAILS
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.ARCH1.dg
ONLINE ONLINE node1
ONLINE ONLINE node2
ora.CRS1.dg
ONLINE ONLINE node1
ONLINE ONLINE node2
ora.DATA1.dg
ONLINE ONLINE node1
ONLINE ONLINE node2
ora.LISTENER.lsnr
ONLINE ONLINE node1
ONLINE ONLINE node2
ora.NCRS.dg
ONLINE ONLINE node1
ONLINE ONLINE node2
ora.asm
ONLINE ONLINE node1 Started
ONLINE ONLINE node2 Started
ora.gsd
OFFLINE OFFLINE node1
OFFLINE OFFLINE node2
ora.net1.network
ONLINE ONLINE node1
ONLINE ONLINE node2
ora.ons
ONLINE ONLINE node1
ONLINE ONLINE node2
ora.registry.acfs
ONLINE ONLINE node1
ONLINE ONLINE node2
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.LISTENER_SCAN1.lsnr
1 ONLINE ONLINE node1
ora.cvu
1 ONLINE ONLINE node1
ora.node1.vip
1 ONLINE ONLINE node1
ora.node2.vip
1 ONLINE ONLINE node2
ora.oc4j
1 OFFLINE OFFLINE
ora.racdb.db
1 ONLINE ONLINE node2 Open
2 ONLINE ONLINE node1 Open
ora.scan1.vip
1 ONLINE ONLINE node1
6.2添加OCR的mirror镜像磁盘组
在节点1上使用root用户操作
cd /app/grid/11.2.0/grid/bin
/app/grid/11.2.0/grid/bin是grid用户下ORACLE_HOME的变量值。
./ocrconfig -add +TOCR
./ocrcheck 检测OCR的保存状态
过程记录如下：
# ./ocrconfig -add +TOCR
# ./ocrcheck
Status of Oracle Cluster Registry is as follows :
Version : 3
Total space (kbytes) : 262120
Used space (kbytes) : 3044
Available space (kbytes) : 259076
ID : 1255075770
Device/File Name : +ORC
Device/File integrity check succeeded
Device/File Name : +TOCR
Device/File integrity check succeeded
Device/File not configured
Device/File not configured
Device/File not configured
Cluster registry integrity check succeeded
Logical corruption check succeeded
6.3磁盘原有的OCR磁盘组
# ./ocrconfig -replace +ORC -replacement +NCRS
# ./ocrcheck
Status of Oracle Cluster Registry is as follows :
Version : 3
Total space (kbytes) : 262120
Used space (kbytes) : 3044
Available space (kbytes) : 259076
ID : 1255075770
Device/File Name : +NCRS
Device/File integrity check succeeded
Device/File Name : +TOCR
Device/File integrity check succeeded
Device/File not configured
Device/File not configured
Device/File not configured
Cluster registry integrity check succeeded
Logical corruption check succeeded
迁移VoteDiks
使用grid用户登录到一个节点
7.1检查votedisk的存储位置
[grid@node1 ~]$ crsctl query css votedisk
## STATE File Universal Id File Name Disk group
-- ----- ----------------- --------- ---------
1. ONLINE a2d3e9c8b0094fcabfeee701fe3594a5 (ORC) [ORC]
Located 3 voting disk(s)
7.2更换votedisk的存储位置
[grid@node1 ~]$ crsctl replace votedisk +NCRS
[grid@node1 ~]$ crsctl query css votedisk
## STATE File Universal Id File Name Disk group
-- ----- ----------------- --------- ---------
1. ONLINE a2d3e9c8b0094fcabfeee701fe3594a5 (ORCL:CRS1) [CRS1]
2. ONLINE 973e54e8c5c94f0fbf4b746820c14005 (ORCL:CRS2) [CRS1]
3. ONLINE 197c715135a94f4abf545095b9c8a186 (ORCL:CRS3) [CRS1]
Located 3 voting disk(s)
迁移ASM实例的spfile文件
使用grid用户登录到节点1进行操作
8.1登录asm实例
[grid@node1 ~]$ sqlplus / as sysasm
SQL*Plus: Release 11.2.0.3.0 Production on Tue Jul 1 11:07:49 2014
Copyright (c) 1982, 2011, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Real Application Clusters and Automatic Storage Management options
SQL>
8.2检测spfile的存储位置
show parameter spfile
SQL> show parameter spfile
NAME TYPE VALUE
-------------- ----------------------------
spfile tring +ORC/rac-cluster/asmparameterfile/registry.253.801158513
8.3创建pfile
SQL>create pfile='/home/grid/asminit.ora' from spfile='+ORC/rac-cluster/asmparameterfile/registry.253.801158513';
8.4使用pfile创建新的spfile
SQL>create spfile='+NCRS' from pfile='/home/grid/asminit.ora';
重启集群
使用root用户重启crs即可，在两个节点上执行
/u01/app/11.2.0/grid/bin/crsctl stop crs
/u01/app/11.2.0/grid/bin/crsctl start crs
[root@node2 ~]# /u01/app/11.2.0/grid/bin/crsctl stop crs
CRS-2791: Starting shutdown of Oracle High Availability Services-managed resources on 'node2'
CRS-2673: Attempting to stop 'ora.crsd' on 'node2'
CRS-2790: Starting shutdown of Cluster Ready Services-managed resources on 'node2'
CRS-2673: Attempting to stop 'ora.CRS1.dg' on 'node2'
CRS-2673: Attempting to stop 'ora.NCRS.dg' on 'node2'
CRS-2673: Attempting to stop 'ora.registry.acfs' on 'node2'
CRS-2673: Attempting to stop 'ora.racdb.db' on 'node2'
CRS-2673: Attempting to stop 'ora.LISTENER.lsnr' on 'node2'
CRS-2677: Stop of 'ora.racdb.db' on 'node2' succeeded
CRS-2673: Attempting to stop 'ora.ARCH1.dg' on 'node2'
CRS-2673: Attempting to stop 'ora.DATA1.dg' on 'node2'
CRS-2677: Stop of 'ora.LISTENER.lsnr' on 'node2' succeeded
CRS-2673: Attempting to stop 'ora.node2.vip' on 'node2'
CRS-2677: Stop of 'ora.node2.vip' on 'node2' succeeded
CRS-2672: Attempting to start 'ora.node2.vip' on 'node1'
CRS-2676: Start of 'ora.node2.vip' on 'node1' succeeded
CRS-2677: Stop of 'ora.registry.acfs' on 'node2' succeeded
CRS-2677: Stop of 'ora.ARCH1.dg' on 'node2' succeeded
CRS-2677: Stop of 'ora.DATA1.dg' on 'node2' succeeded
CRS-2677: Stop of 'ora.CRS1.dg' on 'node2' succeeded
CRS-2677: Stop of 'ora.NCRS.dg' on 'node2' succeeded
CRS-2673: Attempting to stop 'ora.asm' on 'node2'
CRS-2677: Stop of 'ora.asm' on 'node2' succeeded
CRS-2673: Attempting to stop 'ora.ons' on 'node2'
CRS-2677: Stop of 'ora.ons' on 'node2' succeeded
CRS-2673: Attempting to stop 'ora.net1.network' on 'node2'
CRS-2677: Stop of 'ora.net1.network' on 'node2' succeeded
CRS-2792: Shutdown of Cluster Ready Services-managed resources on 'node2' has completed
CRS-2677: Stop of 'ora.crsd' on 'node2' succeeded
CRS-2673: Attempting to stop 'ora.mdnsd' on 'node2'
CRS-2673: Attempting to stop 'ora.drivers.acfs' on 'node2'
CRS-2673: Attempting to stop 'ora.ctssd' on 'node2'
CRS-2673: Attempting to stop 'ora.evmd' on 'node2'
CRS-2673: Attempting to stop 'ora.asm' on 'node2'
CRS-2677: Stop of 'ora.evmd' on 'node2' succeeded
CRS-2677: Stop of 'ora.mdnsd' on 'node2' succeeded
CRS-2677: Stop of 'ora.ctssd' on 'node2' succeeded
CRS-2677: Stop of 'ora.asm' on 'node2' succeeded
CRS-2673: Attempting to stop 'ora.cluster_interconnect.haip' on 'node2'
CRS-2677: Stop of 'ora.drivers.acfs' on 'node2' succeeded
CRS-2677: Stop of 'ora.cluster_interconnect.haip' on 'node2' succeeded
CRS-2673: Attempting to stop 'ora.cssd' on 'node2'
CRS-2677: Stop of 'ora.cssd' on 'node2' succeeded
CRS-2673: Attempting to stop 'ora.crf' on 'node2'
CRS-2677: Stop of 'ora.crf' on 'node2' succeeded
CRS-2673: Attempting to stop 'ora.gipcd' on 'node2'
CRS-2677: Stop of 'ora.gipcd' on 'node2' succeeded
CRS-2673: Attempting to stop 'ora.gpnpd' on 'node2'
CRS-2677: Stop of 'ora.gpnpd' on 'node2' succeeded
CRS-2793: Shutdown of Oracle High Availability Services-managed resources on 'node2' has completed
CRS-4133: Oracle High Availability Services has been stopped.
[root@node2 ~]# /u01/app/11.2.0/grid/bin/crsctl start crs
CRS-4123: Oracle High Availability Services has been started.
[grid@node2 ~]$ crsctl stat res -t
--------------------------------------------------------------------------------
NAME TARGET STATE SERVER STATE_DETAILS
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.ARCH1.dg
ONLINE ONLINE node1
ONLINE ONLINE node2
ora.CRS1.dg
ONLINE ONLINE node1
ONLINE ONLINE node2
ora.DATA1.dg
ONLINE ONLINE node1
ONLINE ONLINE node2
ora.LISTENER.lsnr
ONLINE ONLINE node1
ONLINE ONLINE node2
ora.NCRS.dg
ONLINE ONLINE node1
ONLINE ONLINE node2
ora.asm
ONLINE ONLINE node1 Started
ONLINE ONLINE node2 Started
ora.gsd
OFFLINE OFFLINE node1
OFFLINE OFFLINE node2
ora.net1.network
ONLINE ONLINE node1
ONLINE ONLINE node2
ora.ons
ONLINE ONLINE node1
ONLINE ONLINE node2
ora.registry.acfs
ONLINE ONLINE node1
ONLINE ONLINE node2
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.LISTENER_SCAN1.lsnr
1 ONLINE ONLINE node1
ora.cvu
1 ONLINE ONLINE node1
ora.node1.vip
1 ONLINE ONLINE node1
ora.node2.vip
1 ONLINE ONLINE node2
ora.oc4j
1 OFFLINE OFFLINE
ora.racdb.db
1 ONLINE OFFLINE Instance Shutdown,S
TARTING
2 ONLINE ONLINE node1 Open
ora.scan1.vip
1 ONLINE ONLINE node1
启动数据库
使用oracle用户启动所有实例，在一个节点上执行
srvctl start database -d racdb
DATA磁盘组中添加磁盘
11.1查看当前DATA磁盘的故障组的情况
select name,group_number,disk_number,state,failgroup,path from v$asm_disk;
11.2向每个故障组中添加一个500G的磁盘
alter diskgroup DATA add failgroup DATA_0000 disk '/dev/rhdisk14';
alter diskgroup DATA add failgroup DATA_0001 disk '/dev/rhdisk15';
alter diskgroup DATA add failgroup DATA_0002 disk '/dev/rhdisk16';
alter diskgroup DATA add failgroup DATA_0003 disk '/dev/rhdisk17';
alter diskgroup DATA add failgroup DATA_0004 disk '/dev/rhdisk18';
11.3查看ASM实例reblance的进度
select * from v$asm_operation;
当显示如下的时候，说明reblance成功。
SQL> select * from v$asm_operation;
no rows selected
至此所有的迁移工作完成。
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