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

2019-08-19t09:27:33.225584+08:00
slave encountered ora-27090 exception during crash recovery
recovery slave process is holding some recovery locks. killing the instance now.
2019-08-19t09:27:33.225736+08:00
errors in file /home/u01/app/oracle/diag/rdbms/sibcgsc1/sibcgsc11/trace/sibcgsc11_p00q_21456.trc:
ora-27090: unable to reserve kernel resources for asynchronous disk i/o
linux-x86_64 error: 11: resource temporarily unavailable
additional information: 3
additional information: 128
additional information: 255504432806
user (ospid: 21456): terminating the instance due to error 27090




添加以下参数：
 vim /etc/sysctl.conf
 
fs.aio-max-nr= 3145728

 sysctl -p



参考：
  mos note 748607.1