Tuesday, March 21, 2017

exadata cell starting issue


Issue:

Error 18446744073709551605 from io_setup, async ctx = 0x228a8c8
Errors in file /opt/oracle/cell12.1.1.1.0_LINUX.X64_131219/log/diag/asm/cell/cell/trace/svtrc_5110_main.trc  (incident=97):
ORA-00600: internal error code, arguments: [LinuxBlockIO::init], [], [], [], [], [], [], [], [], [], [], []
Incident details in: /opt/oracle/cell12.1.1.1.0_LINUX.X64_131219/log/diag/asm/cell/cell/incident/incdir_97/svtrc_5110_main_i97.trc
Sweep [inc][97]: completed
Mon Mar 20 23:53:45 2017 State dump completed for CELLSRV<5110> after ORA-600 occurred
CELLSRV error - ORA-600 internal error
[RS] Started Service MS with pid 5106
Mon Mar 20 23:54:05 2017
Could not connect to MS socket. Communication with MS may be degraded. errno=110
[RS] monitoring process /opt/oracle/cell12.1.1.1.0_LINUX.X64_131219/cellsrv/bin/cellrsomt (pid: 5103) returned with error: 161


Workaround :

/etc/sysctl.conf

fs.aio-max-nr = 50000000