ORA-27090: Unable to reserve kernel resources for asynchronous disk I/O(添加asm磁盘，rebalance)

Errors in file /oracle/gridbase/diag/asm/+asm/+ASM2/trace/+ASM2_ora_293185.trc:

ORA-27090: Unable to reserve kernel resources for asynchronous disk I/O

Linux-x86_64 Error: 2: No such file or directory

Additional information: 3

Additional information: 128

Additional information: 8

添加磁盘的时候碰到的，rebalance到最后，时间0，但是就没成功，asm日志报错了

MOS 579108.1

Bug 13554729

vi /etc/sysctl.conf

官方默认的

fs.aio-max-nr= 1048576

改

fs.aio-max-nr= 3145728