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Oracle ASM diskgroup在主机重启后启动失败

2014-10-10 23:40 330 查看
环境:RHEL 6.4 + Oracle 11.2.0.3 + ASM单实例

1.重启主机后,+DATA diskgroup启动不成功,现象如下:

[grid@JY-DB ~]$ crsctl stat res -t
--------------------------------------------------------------------------------
NAME           TARGET  STATE        SERVER                   STATE_DETAILS
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.DATA.dg
ONLINE  OFFLINE      jy-db
ora.LISTENER.lsnr
ONLINE  ONLINE       jy-db
ora.asm
ONLINE  ONLINE       jy-db                    Started
ora.ons
OFFLINE OFFLINE      jy-db
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.cssd
1        ONLINE  ONLINE       jy-db
ora.diskmon
1        OFFLINE OFFLINE
ora.evmd
1        ONLINE  ONLINE       jy-db
ora.jyzhao.db
1        ONLINE  OFFLINE                               Instance Shutdown


2.尝试手动启动data磁盘组失败,报错如下:

[grid@JY-DB ~]$ srvctl start diskgroup -g data
PRCR-1079 : 无法启动资源 ora.DATA.dg
CRS-5017: The resource action "ora.DATA.dg start" encountered the following error:
ORA-15032: not all alterations performed
ORA-15017: diskgroup "DATA" cannot be mounted
ORA-15063: ASM discovered an insufficient number of disks for diskgroup "DATA"
. For details refer to "(:CLSN00107:)" in "/u01/app/11.2.0/grid/log/jy-db/agent/ohasd/oraagent_grid/oraagent_grid.log".

CRS-2674: Start of 'ora.DATA.dg' on 'jy-db' failed
[grid@JY-DB ~]$  id
uid=501(grid) gid=500(oinstall) 组=500(oinstall),501(dba),502(asmadmin),503(asmdba),504(asmoper) 环境=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023
[grid@JY-DB ~]$


3.网上搜索得知Linux重启会重置raw设备的ownership.

On Linux, at least, a restart of the system will reset the ownership of raw devices. The usual trick is to have some config or init routine reset the ownership.


4.检查data磁盘组对应的磁盘设备属主,更改为grid:oinstall

[root@JY-DB ~]# cd /dev/mapper/
[root@JY-DB mapper]# ls
control  ora_vg-lv_asm1  ora_vg-lv_asm2  ora_vg-lv_asm3  ora_vg-lv_asm4  ora_vg-lv_usr2  VolGroup-lv_home  VolGroup-lv_root  VolGroup-lv_swap
[root@JY-DB mapper]# ls -lh
总用量 0
crw-rw----. 1 root root 10, 58 10月  9 10:46 control
lrwxrwxrwx. 1 root root      7 10月  9 10:46 ora_vg-lv_asm1 -> ../dm-2
lrwxrwxrwx. 1 root root      7 10月  9 10:46 ora_vg-lv_asm2 -> ../dm-3
lrwxrwxrwx. 1 root root      7 10月  9 10:46 ora_vg-lv_asm3 -> ../dm-4
lrwxrwxrwx. 1 root root      7 10月  9 10:46 ora_vg-lv_asm4 -> ../dm-5
lrwxrwxrwx. 1 root root      7 10月  9 10:46 ora_vg-lv_usr2 -> ../dm-6
lrwxrwxrwx. 1 root root      7 10月  9 10:46 VolGroup-lv_home -> ../dm-7
lrwxrwxrwx. 1 root root      7 10月  9 10:46 VolGroup-lv_root -> ../dm-0
lrwxrwxrwx. 1 root root      7 10月  9 10:46 VolGroup-lv_swap -> ../dm-1

[root@JY-DB mapper]# cd ..
[root@JY-DB dev]# ls -lh
总用量 0
drwxr-xr-x. 2 root root         820 10月  9 10:46 block
drwxr-xr-x. 2 root root        2.5K 10月  9 10:47 char
crw-------. 1 root root      5,   1 10月  9 10:46 console
lrwxrwxrwx. 1 root root          11 10月  9 10:46 core -> /proc/kcore
drwxr-xr-x. 6 root root         120 10月  9 10:46 cpu
crw-rw----. 1 root root     10,  61 10月  9 10:46 cpu_dma_latency
crw-rw----. 1 root root     10,  62 10月  9 10:46 crash
drwxr-xr-x. 5 root root         100 10月  9 10:46 disk
brw-rw----. 1 root disk    253,   0 10月  9 10:46 dm-0
brw-rw----. 1 root disk    253,   1 10月  9 10:46 dm-1
brw-rw----. 1 root disk    253,   2 10月  9 10:46 dm-2
brw-rw----. 1 root disk    253,   3 10月  9 10:46 dm-3
brw-rw----. 1 root disk    253,   4 10月  9 10:46 dm-4
brw-rw----. 1 root disk    253,   5 10月  9 10:46 dm-5
brw-rw----. 1 root disk    253,   6 10月  9 10:46 dm-6
brw-rw----. 1 root disk    253,   7 10月  9 10:46 dm-7
……
crw-rw-rw-. 1 root root       1,   5 10月  9 10:46 zero

[root@JY-DB dev]# chown grid:oinstall dm*
[root@JY-DB dev]# ls -lh
总用量 0
drwxr-xr-x. 2 root root          820 10月  9 10:46 block
drwxr-xr-x. 2 root root         2.5K 10月  9 10:47 char
crw-------. 1 root root       5,   1 10月  9 10:46 console
lrwxrwxrwx. 1 root root           11 10月  9 10:46 core -> /proc/kcore
drwxr-xr-x. 6 root root          120 10月  9 10:46 cpu
crw-rw----. 1 root root      10,  61 10月  9 10:46 cpu_dma_latency
crw-rw----. 1 root root      10,  62 10月  9 10:46 crash
drwxr-xr-x. 5 root root          100 10月  9 10:46 disk
brw-rw----. 1 grid oinstall 253,   0 10月  9 10:46 dm-0
brw-rw----. 1 grid oinstall 253,   1 10月  9 10:46 dm-1
brw-rw----. 1 grid oinstall 253,   2 10月  9 10:46 dm-2
brw-rw----. 1 grid oinstall 253,   3 10月  9 10:46 dm-3
brw-rw----. 1 grid oinstall 253,   4 10月  9 10:46 dm-4
brw-rw----. 1 grid oinstall 253,   5 10月  9 10:46 dm-5
brw-rw----. 1 grid oinstall 253,   6 10月  9 10:46 dm-6
brw-rw----. 1 grid oinstall 253,   7 10月  9 10:46 dm-7
……
crw-rw-rw-. 1 root root       1,   5 10月  9 10:46 zero


5.此时再次尝试手动启动磁盘组成功

[grid@JY-DB ~]$ srvctl start diskgroup -g data
[grid@JY-DB ~]$ crsctl stat res -t
--------------------------------------------------------------------------------
NAME           TARGET  STATE        SERVER                   STATE_DETAILS
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.DATA.dg
ONLINE  ONLINE       jy-db
ora.LISTENER.lsnr
ONLINE  ONLINE       jy-db
ora.asm
ONLINE  ONLINE       jy-db                    Started
ora.ons
OFFLINE OFFLINE      jy-db
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.cssd
1        ONLINE  ONLINE       jy-db
ora.diskmon
1        OFFLINE OFFLINE
ora.evmd
1        ONLINE  ONLINE       jy-db
ora.jyzhao.db
1        ONLINE  ONLINE       jy-db                    Open
[grid@JY-DB ~]$
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