{ASMディスクグループ}ディスクを追加

 

https://docs.oracle.com/cd/F19136_01/ostmg/alter-diskgroups.html#GUID-85391590-DAD5-46BB-A70C-ED94DA94D18D

export ORACLE_SID=+ASM1
sqlplus / as sysasm

select * from v$asm_diskgroup order by group_number;

alter diskgroup test2 dismount FORCE;

drop diskgroup test2 force INCLUDING CONTENTS;

 select group_number,disk_number,name,label,
        HEADER_STATUS,TOTAL_MB,failgroup,path, OS_MB
 from v$asm_disk order by group_number,disk_number;

 

CREATE DISKGROUP test2 NORMAL REDUNDANCY
  FAILGROUP controller1 
  DISK '/dev/sdd' NAME disk21
  FAILGROUP controller2 
  DISK '/dev/sde' NAME disk22
  ATTRIBUTE 'au_size'='4M',
    'compatible.asm' = '19.0', 
    'compatible.rdbms' = '19.0',
    'compatible.advm' = '19.0';

 

alter diskgroup test2 add 
  FAILGROUP controller1 
  DISK '/dev/sdf' NAME disk23
  FAILGROUP controller2 
  DISK '/dev/sdg' NAME disk24;

※ディスクサイズが異なるとエラーとなる
ORA-15410: Disks in disk group TEST2 do not have equal size.

select * from v$asm_diskgroup order by group_number;

select group_number,disk_number,name,label,
    HEADER_STATUS,TOTAL_MB,failgroup,path, OS_MB
from v$asm_disk order by group_number,disk_number;