ASM

Restart ASM

/opt/oracle/oak/onecmd/tmp/restartasm.sh

/u01/app/11.2.0.4/grid/bin/crsctl stop res ora.crsd -init
/u01/app/11.2.0.4/grid/bin/crsctl stop res ora.asm -init
/u01/app/11.2.0.4/grid/bin/crsctl start res ora.asm -init
ps -ef | grep  -v grep | grep -q smon_+ASM
if [ $? -ne 0 ]
then
echo 'asm instance did not start in 1st attempt, sleeping for 30 secs and retrying'
sleep 30
/u01/app/11.2.0.4/grid/bin/crsctl start res ora.asm -init
fi
/u01/app/11.2.0.4/grid/bin/crsctl start res ora.crsd -init

Check free space in ASM diskgroups

cat /opt/oracle/oak/onecmd/tmp/chekDGSpaceSql.sh

#! /bin/sh
export ORACLE_HOME=/u01/app/12.1.0.2/grid
export ORACLE_SID=+ASM1
$ORACLE_HOME/bin/sqlplus '/as sysasm' <<EOF
column path format a40
column name format a35
set linesize 200
select name, total_mb,free_mb from v\$asm_diskgroup;
quit
EOF

gives

NAME                                  TOTAL_MB    FREE_MB
----------------------------------- ---------- ----------
RECO                                   2424000    2379084
REDO                                    763120     687700
DATA                                  14745600    2930908