select name,total_mb,free_mb from v$asm_diskgroup_stat;
NAME TOTAL_MB FREE_MB
------------------------------ ---------- ----------
ARCHDG 102400 100408
DATADG 307200 293991
#!/bin/bsh
export ORACLE_SID=$ORACLE_SID
$ORACLE_HOME/bin/rman log=/users/robin/log/rman.log <<EOF
connect target /
run{
delete noprompt archivelog all completed before 'sysdate - 4';
}
exit;
EOF