Check free space in ASM

1. Set SID to ASM instance.

2. asmcmd

3. lsdg

Example output:

ASMCMD> lsdg
State    Type    Rebal  Sector  Block       AU  Total_MB  Free_MB  Req_mir_free_MB  Usable_file_MB  Offline_disks  Name
MOUNTED  EXTERN  N         512   4096  1048576    103575      678                0             678              0  PRE1_VOLNAME_000/
MOUNTED  EXTERN  N         512   4096  1048576     34525    24821                0           24821              0  PRE2_VOLNAME_000/