ASM Rename Diskgroup Fails With: [WARNING:io_submit failed due to kernel limitations] (Doc ID 1362423.1)

Last updated on MAY 24, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.4 to 11.2.0.3 [Release 10.2 to 11.2]
Information in this document applies to any platform.

Symptoms

When attempting to rename a diskgroup using "renamedg" it fails with the next kernel error:


$ORACLE_HOME/bin/renamedg dgname=PCCDW_DATA newdgname=PCCDW_PET asm_diskstring='/dev/mapper/PCCDW_DATA*p1' verbose=true

WARNING:io_submit failed due to kernel limitations MAXAIO for process=128 pending aio=128
WARNING:asynch I/O kernel limits is set at AIO-MAX-NR=1048576 AIO-NR=365418
Illegal request in kgfkGetIO 0x8c9e7a8
kgfk module asserting (1266)

Cause

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