https://daizj.iteye.com/blog/1753434blog
ASM_POWER_LIMIT
該初始化參數用於指定ASM例程平衡磁盤所用的最大權值,其數值範圍爲0~11,默認值爲1。該初始化參數是動態參數,可使用ALTER SESSION或ALTER SYSTEM命令進行修改。示例以下:
SQL>ALTER SESSION SET Asm_power_limit=2;
附甲骨文官方說明:
屬性 說明
參數類型 Integer
默認值 1
容許動態修改 ALTER SESSION, ALTER SYSTEM
取值範圍 0 ~ 11
RAC相關 多個實例能夠有不一樣的值
Note:This Parameter May Only Be Specified In An Automatic Storage Management Instance.
ASM_POWER_LIMIT Specifies The Maximum Power On An Automatic Storage Management Instance For Disk Rebalancing. The Higher The Limit, The Faster Rebalancing Will Complete. Lower Values Will Take Longer, But Consume Fewer Processing And I/O Resources.
If The POWER Clause Of A Rebalance Operation Is Not Specified, Then The Default Power Will Be The Value Of ASM_POWER_LIMIci