oracle 11.2.0.1 rac 修改asm磁碟組的冗餘模式(redundancy mode)為normal

oracle 11.2.0.1 rac 修改asm磁碟組的冗餘模式(redundancy mode)為normal


背景介紹：
oracle 11.2.0.1 linux rac ,
ocr和vote file存放於名為CRS的asm磁碟組中，名為CRS的asm磁碟組是external冗餘模式

現在的需求：

將ocr和vote file 存放於 normal 冗餘模式的磁碟組。



進行的步驟：


fdisk -l
可以看到新加的硬碟（新加的硬碟位於儲存上）
/dev/sddlmaa
/dev/sddlmab
/dev/sddlmad
這3塊硬碟都是10.7g

使用
fdisk /dev/sddlmaa
fdisk /dev/sddlmab
fdisk /dev/sddlmad

對磁碟進行分割槽：第一個區5G大小，剩餘空間為第二個區，分割槽後如下：

/dev/sddlmaa1 5G
/dev/sddlmaa2 5G
/dev/sddlmab1 5G
/dev/sddlmab2 5G
/dev/sddlmad1 5G
/dev/sddlmad2 5G


使用oracleasm createdisk進行asm磁碟的建立

/etc/init.d/oracleasm createdisk CRS1 /dev/sddlmaa1
/etc/init.d/oracleasm createdisk CRS2 /dev/sddlmaa2
/etc/init.d/oracleasm createdisk CRS3 /dev/sddlmab1
/etc/init.d/oracleasm createdisk CRS4 /dev/sddlmab2
/etc/init.d/oracleasm createdisk CRS5 /dev/sddlmad1

在2個節點都執行下列命令:
/etc/init.d/oracleasm scandisks
/etc/init.d/oracleasm listdisks

確保在2個節點都能發現CRS1 CRS2 CRS3 CRS4 CRS5

分別在2個節點執行asmca，在建立asm磁碟組的介面下，確保2個節點都能發現CRS1 CRS2 CRS3 CRS4 CRS5

若是有的節點不能發現新建立的asm磁碟組，請重啟此節點。


在1節點上執行asmca，外部冗餘，1個asm磁碟(CRS1), 磁碟組名稱為CRSTEMP

在1節點上執行asmca，normal冗餘，3個asm磁碟(CRS2，CRS3，CRS4), 磁碟組名稱為CRSNEW



轉移ocr檔案：


[root@racdb01 ~]# /u01/app/11.2.0/grid/bin/ocrconfig -replace +CRS -replacement +CRSNEW
PROT-28: Cannot delete or replace the only configured Oracle Cluster Registry location、

--注意：此PROT-28 我在metalink上沒有搜到有價值的東西。後來是在帖子
的啟發下，使用
ocrconfig -add 和 ocrconfig -replace 完成了ocr的轉移。



[root@racdb01 ~]# /u01/app/11.2.0/grid/bin/ocrconfig -add +CRSTEMP
[root@racdb01 ~]# /u01/app/11.2.0/grid/bin/ocrcheck
Status of Oracle Cluster Registry is as follows :
Version : 3
Total space (kbytes) : 262120
Used space (kbytes) : 2732
Available space (kbytes) : 259388
ID : 1268373340
Device/File Name : +CRS
Device/File integrity check succeeded
Device/File Name : +CRSTEMP
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




[root@racdb01 ~]# /u01/app/11.2.0/grid/bin/ocrconfig -replace +CRS -replacement +CRSNEW

[root@racdb01 ~]# /u01/app/11.2.0/grid/bin/ocrcheck
Status of Oracle Cluster Registry is as follows :
Version : 3
Total space (kbytes) : 262120
Used space (kbytes) : 2732
Available space (kbytes) : 259388
ID : 1268373340
Device/File Name : +CRSNEW
Device/File integrity check succeeded
Device/File Name : +CRSTEMP
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



轉移vote file：

[grid@racdb01 ~]$ crsctl replace votedisk +CRSNEW
Successful addition of voting disk 4ffbd2a9e98a4f0ebf3e2746685e6e16.
Successful addition of voting disk 5aafbc65e1594f7fbffb8820ac838dd9.
Successful addition of voting disk 6ba82447d0de4fd8bf3773613392b997.
Successful deletion of voting disk 135147ada70e4f57bf1dd2c75824e490.
Successfully replaced voting disk group with +CRSNEW.
CRS-4266: Voting file(s) successfully replaced
[grid@racdb01 ~]$ crsctl query css votedisk
## STATE File Universal Id File Name Disk group
-- ----- ----------------- --------- ---------
1. ONLINE 4ffbd2a9e98a4f0ebf3e2746685e6e16 (ORCL:CRS2) [CRSNEW]
2. ONLINE 5aafbc65e1594f7fbffb8820ac838dd9 (ORCL:CRS3) [CRSNEW]
3. ONLINE 6ba82447d0de4fd8bf3773613392b997 (ORCL:CRS4) [CRSNEW]
Located 3 voting disk(s).

[@more@]