Oracle手动rebalance ASM磁盘组
SQL> alter diskgroup data rebalance power 5;--->手动对data磁盘组进行rebalance
SQL> set pagesize 200 linesize 200
SQL> col error_code for a10
SQL> select * from v$asm_operation;
GROUP_NUMBER OPERA STAT POWER ACTUAL SOFAR EST_WORK EST_RATE EST_MINUTES ERROR_CODE
------------ ----- ---- ---------- ---------- ---------- ---------- ---------- ----------- ------------------------------------------
1 REBAL RUN 5 5 2387 61652 4657 12-->估计时间
后台日志:
500G的rebalance需要35min左右,期间磁盘IO达到峰值