make exadata change from full to quarter
drop diskgroup using failgroup sqlplus / as sysasm SQL> alter diskgroup data_xx drop disks in failgroup xxxxx;
check how the re-balance is going SQL> select * from v$asm_operation;
want more speed? SQL>alter diskgroup data rebakance power 32;
check again. maybe it is better than before SQL> select * from v$asm_operation;
create diskgroup SQL>create diskgroup data_xx1 high redundancy disk 'o/xx.xx.xx.xx/DATA*', 'o/xx.xx.xx.xx/DATA*'; 'o/xx.xx.xx.xx/DATA*' attribute 'content.type' = 'DATA', 'cell.smart_scan_capable'='TRUE', 'compatible.rdbms'='11.2.0.3', 'compatible.asm'='11.2.0.3';
check it out from crsctl $crsctl status res -t
may be some of the node is offline. try this $crsctl start res ora.data_xx1.dg -n nodename