Intermittent ASM or DB instance eviction due to IPC Send timeout or ORA-27508/ORA-27301

Intermittent ASM or DB instance eviction due to IPC Send timeout or ORA-27508/ORA-27301

There was this customer who was having all sorts of problems. It was a Oracle 11gR2 2-Node RAC cluster running on Solaris 11.

  1. Node Eviction
  2. ASM Instance Eviction
  3. DB Instance Eviction

In the ASM logs

ORA-27508: IPC error sending a message 
ORA-27300: OS system dependent operation:sendmsg failed with status: 128
ORA-27301: OS failure message: Network is unreachable
ORA-27302: failure occurred at: sskgxpsnd2

In DB_alert logs

ORA-27508: IPC error sending a message

Finally, we found the root cause, it’s a bug dated 05 Mar 2014.

For more information, please refer to MOS [1594578.1]

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