RAC Database Using Infiniband RDS Protocol Shows Network Errors And ORA-27504
Last updated on NOVEMBER 20, 2017
Applies to:Oracle Server - Enterprise Edition - Version 18.104.22.168 to 22.214.171.124 [Release 11.1]
1.) Occurs only when RDS infiniband is used.
2.) One instance may evict based on load.
3.) Sometimes after lmon reports ORA-29740: evicted by member, there are
"IPC send timeout" errors involving different processes including lms, lmd,
lgwr and smon processes.
4.) The other instance may die because lmd dies with
ORA-00600 [kjmscndscq:timeout] error.
5.) The following errors may also be present in the stack:
ORA-00603: ORACLE server session terminated by fatal error
ORA-27504: IPC error creating OSD context
ORA-27300: OS system dependent operation:sendmsg failed with status: 105
ORA-27301: OS failure message: No buffer space available
ORA-27302: failure occurred at: sskgxpsnd2
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