Monday, 17 November 2014

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

ERROR:
Errors in file /u01/app/oracle/diag/rdbms/mzfcdbu/MZFCDBU2/trace/MZFCDBU2_p012_29056.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: 2092329984
Errors in file /u01/app/oracle/diag/rdbms/mzfcdbu/MZFCDBU2/trace/MZFCDBU2_p006_29032.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: 2092327744


Solution:

Increase the value of /proc/sys/fs/aio-nr of fs.aio-max-nr in /etc/sysctl.conf

fs.aio-max-nr increase the value
/sbin/sysctl -p

Ref:ID 579108.1

1 comment:

Unknown said...

How are you Karl. This is prabhu guess you still remember me. Nice to see you man.
God bless and keep in touch when time permits.

Thanks
Prabhu
9840327925