FLEX ASM修改节点数方法详解

1.检查 Oracle Flex ASM 是否启用的命令

[grid@rac2 ~]$ asmcmdASMCMD> showclusterASMCMD>  showclustermodeASM cluster : Flex mode enabled - Direct Storage AccessASMCMD>  showclusterstateNormalASMCMD> 

2.用于更改 ASM 基数的命令

安装的时候默认有3个asm 实例 。如果我们只有两个节点 ，那么集群的状态会显示如下。

ora.OCR.dg(ora.asmgroup)      1        ONLINE  ONLINE       rac2                     STABLE      2        ONLINE  ONLINE       rac1                     STABLE      3        OFFLINE OFFLINE                               STABLEora.asm(ora.asmgroup)      1        ONLINE  ONLINE       rac2                     Started,STABLE      2        ONLINE  ONLINE       rac1                     Started,STABLE      3        OFFLINE OFFLINE                               STABLEora.asmnet1.asmnetwork(ora.asmgroup)      1        ONLINE  ONLINE       rac2                     STABLE      2        ONLINE  ONLINE       rac1                     STABLE      3        OFFLINE OFFLINE                               STABLE

[grid@rac2 ~]$ srvctl config asm -detailASM home: <CRS home>Password file: +OCR/orapwASMBackup of Password file: +OCR/orapwASM_backupASM listener: LISTENERASM is enabled.ASM is individually enabled on nodes: ASM is individually disabled on nodes: ASM instance count: 3Cluster ASM listener: ASMNET1LSNR_ASM

[ root @rac2 ~]# srvctl  modify asm -count 2

ora.OCR.dg(ora.asmgroup)      1        ONLINE  ONLINE       rac2                     STABLE      2        ONLINE  ONLINE       rac1                     STABLEora.asm(ora.asmgroup)      1        ONLINE  ONLINE       rac2                     Started,STABLE      2        ONLINE  ONLINE       rac1    

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