Troubleshooting procedures.
1. receive disk alarms.  
Check Disk
# df-h
Filesystem Size used Avail use% mounted on
/DEV/SDA1 9.9G 2.2G 7.3G 23%/
Udev 16G 168K 16G 1%/dev
/dev/sda3 20G 768M 18G 5%/usr/local
/DEV/SDA4 103G 92G 5.9G 94%/data
2.< Span style= "font-family: ' The song body '; font-size:14px;" > view data which directory occupies this space du -h --max-dep=1 /data , discover usage only used
3. view type for files, and size the file. Found 60g not released.
Serverapp 7383 Root 4u REG 8,4 60963948989 11142014/data/server/box/backlog/backlog.dump (Deleted)
4. Restart the serverapp to resolve,
Filesystem Size used Avail use% mounted on
/DEV/SDA1 9.9G 2.2G 7.3G 23%/
Udev 16G 168K 16G 1%/dev
/dev/sda3 20G 769M 18G 5%/usr/local
/DEV/SDA4 103G 35G 63G 36%/data
5. Notification of development modification procedures
Linux OPS-the application does not release the disk full problem caused by the file handle