Where has my disk space gone?

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disksup

disksup(3erl)						     Erlang Module Definition						     disksup(3erl)

NAME

       disksup - A Disk Supervisor Process

DESCRIPTION

       disksup	is a process which supervises the available disk space in the system. It is part of the OS_Mon application, see os_mon(7) . Avail-
       able for Unix and Windows.

       Periodically checks the disks. For each disk or partition which uses more  than	a  certain  amount  of	the  available	space,	the  alarm
       {{disk_almost_full, MountedOn}, []} is set.

	 On Unix :
	   All (locally) mounted disks are checked, including the swap disk if it is present.

	 On WIN32 :
	   All logical drives of type "FIXED_DISK" are checked.

       Alarms  are  reported  to the SASL alarm handler, see alarm_handler(3erl) . To set an alarm, alarm_handler:set_alarm(Alarm) is called where
       Alarm is the alarm specified above.

       The alarms are cleared automatically when the alarm cause is no longer valid.

CONFIGURATION

       The following configuration parameters can be used to change the default values for time interval and threshold:

	 disk_space_check_interval = int()>0 :
	   The time interval, in minutes, for the periodic disk space check. The default is 30 minutes.

	 disk_almost_full_threshold = float() :
	   The threshold, as percentage of total disk space, for how much disk can be utilized before  the  disk_almost_full  alarm  is  set.  The
	   default is 0.80 (80%).

       See config(5) for information about how to change the value of configuration parameters.

EXPORTS

       get_disk_data() -> [DiskData]

	      Types  DiskData = {Id, KByte, Capacity}
		     Id = string()
		     KByte = int()
		     Capacity = int()

	      Returns  the  result  of the latest disk check. Id is a string that identifies the disk or partition. KByte is the total size of the
	      disk or partition in kbytes. Capacity is the percentage of disk space used.

	      The function is asynchronous in the sense that it does not invoke a disk check, but returns the latest available value.

	      Returns [{"none",0,0}] if disksup is not available.

       get_check_interval() -> MS

	      Types  MS = int()

	      Returns the time interval, in milliseconds, for the periodic disk space check.

       set_check_interval(Minutes) -> ok

	      Types  Minutes = int()>=1

	      Changes the time interval, given in minutes, for the periodic disk space check.

	      The change will take effect after the next disk space check and is non-persist. That is, in case of a process restart, this value is
	      forgotten and the default value will be used. See Configuration above.

       get_almost_full_threshold() -> Percent

	      Types  Percent = int()

	      Returns the threshold, in percent, for disk space utilization.

       set_almost_full_threshold(Float) -> ok

	      Types  Float = float(), 0=<Float=<1

	      Changes the threshold, given as a float, for disk space utilization.

	      The  change  will take effect during the next disk space check and is non-persist. That is, in case of a process restart, this value
	      is forgotten and the default value will be used. See Configuration above.

SEE ALSO

       alarm_handler(3erl) , os_mon(3erl)

Ericsson AB							   os_mon 2.2.5 						     disksup(3erl)

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