node1 RAC server rebooted and on the crs refused to start.
see the errors on trying to start the crs:
ORACLE_SID=+ASM2
ORACLE_HOME=/oracle/product/11203/grid
eagle:/export/home/oracle> sqlplus / as sysasm
SQL*Plus: Release 11.2.0.3.0 Production on Fri Aug 11 16:36:39 2017
Copyright (c) 1982, 2011, Oracle. All rights reserved.
Connected to an idle instance.
SQL> startup
ORA-01078: failure in processing system parameters
ORA-29701: unable to connect to Cluster Synchronization Service.
root@eagle # ./crsctl start crs
CRS-4640: Oracle High Availability Services is already active
CRS-4000: Command Start failed, or completed with errors.
/oracle/product/11203/grid/bin
root@eagle # ./crsctl start cluster
CRS-2672: Attempting to start 'ora.cssd' on 'eagle'
CRS-2672: Attempting to start 'ora.diskmon' on 'eagle'