Diskgroup is incomplete
ASM 磁盘组无法挂载，因为一个或多个磁盘缺失。缺失磁盘数量超过冗余容忍度。
SELECT name, state, total_mb, free_mb FROM v$asm_diskgroup;SELECT group_number, disk_number, name, path, header_status, mode_status FROM v$asm_disk ORDER BY group_number;-- OS: oracleasm scandisks; oracleasm listdisks