FS_NAME | 
VARCHAR2(1024) | 
Mount point (primary key) | 
AVAILABLE_TIME | 
DATE | 
Mount time or the time that the file system became available again; NULL if the file system is not available | 
BLOCK_SIZE | 
NUMBER | 
File system block size (in kilobytes) | 
STATE | 
VARCHAR2(13) | 
File system status::
- 
NOT AVAILABLE 
 
- 
AVAILABLE 
 
- 
OFFLINE - Either the ASM instance is down, the disk group has been forced dismounted, or less commonly, a metadata I/O failure occurred or serious metadata corruption was detected. In the case of a metadata I/O failure, the file system is also marked as corrupt. An offline file system can only be unmounted; other attempts at access result in errors. 
 
 
 | 
CORRUPT | 
VARCHAR2(5) | 
Indicates whether the file system needs the fixer (fsck, acfschkdsk) to be run (TRUE) or not (FALSE) | 
NUM_VOL | 
NUMBER | 
Number of volumes in the file system | 
TOTAL_SIZE | 
NUMBER | 
Total capacity of the file system (in megabytes) | 
TOTAL_FREE | 
NUMBER | 
Total free space in the file system (in megabytes) | 
TOTAL_SNAP_SPACE_USAGE | 
NUMBER | 
Total space used by snapshots (in megabytes) |