Datafile resize taking too much time - urgent
Guys
Why a simple Datafile resize takes too much time?
TABLESPACE_NAME FILE# FILE_NAME Allocated Size(MB) Used Size (MB) Free Size(MB)
--------------- ---------- -------------------------------------------------- ------------------ -------------- -------------
METREO_DATA 55 /pkgs011d/oradata/u01/s011d/metreodev_data_01.dbf 2048 1023.0625 1024.9375
SQL> alter database datafile '/pkgs011d/oradata/u01/s011d/metreodev_data_01.dbf' resize 1200M;
And even an alter system swtich logfile; takes forever
in the alert.log it just shows
Thu Jan 28 10:13:06 2016
alter database datafile '/pkgs011d/oradata/u01/s011d/metreodev_data_01.dbf' resize 1200M
Any idea suggestion or tip
Jesus