ASM

Restart ASM

cat /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

or

set linesize 145
set pagesize 9999
set verify off

column group_name format a20 head 'Disk Group|Name'
column sector_size format 99,999 head 'Sector|Size'
column block_size format 99,999 head 'Block|Size'
column allocation_unit_size format 999,999,999 head 'Allocation|Unit size'
column state format a11 head 'State'
column type format a6 head 'Type'
column total_mb format 999,999,999 head 'Total size (Mb)'
column used_mb format 999,999,999 head 'Used size (Mb)'
column pct_used format 999.99 head 'Pct. used'

break on report on disk_group_name skip 1
compute sum label "Grand Total: " of total_mb used_mb on report

select name                 group_name
,      sector_size          sector_size
,      block_size           block_size
,      allocation_unit_size allocation_unit_size
,      state                state
,      type                 type
,      total_mb             total_mb
,      (total_mb - free_mb) used_mb
,      round ( (1 -(free_mb / total_mb)) * 100, 2) pct_used
from   v$asm_diskgroup
order  by name