安装客户核心生产数据库,磁盘组名不对,需要删除,重新创建。 删除磁盘组步骤如下: su - grid sqlplus / as sysasm SQL> select group_numbe
安装客户核心生产数据库,磁盘组名不对,需要删除,重新创建。
删除磁盘组步骤如下:
su - grid
sqlplus / as sysasm
SQL> select group_number, name from v$asm_diskgroup;
GROUP_NUMBER NAME
------------ --------------------------------------------------
1 DATADG
SQL> col path for a40
SQL> col name for a40
SQL> set lines 120
SQL> select path, name from v$asm_disk where group_number=1;
PATH NAME
---------------------------------------- ----------------------------------------
/dev/rhdiskpower0 DATADG_0000
/dev/rhdiskpower1 DATADG_0001
/dev/rhdiskpower2 DATADG_0002
/dev/rhdiskpower3 DATADG_0003
/dev/rhdiskpower4 DATADG_0004
SQL>
SQL> alter diskgroup datadg dismount force;
Diskgroup altered.
SQL> drop diskgroup datadg force including contents;
Diskgroup dropped.
##原有磁盘组名叫DATADG,现在需要改为DATA
# su - grid
$ asmcmd -p
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 1024000 1023928 0 1023928 0 N DATADG/
ASMCMD [+] > exit
###删除后发现磁盘组确实不见了哈
$
$ asmcmd -p
ASMCMD [+] > lsdg
ASMCMD [+] > exit
$
$
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本文标题: 11g 删除磁盘组步骤
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