volcheck

- checks for media in a drive and by default checks all floppy media

Synopsis

volcheck [-v] [-i secs] [-t secs] pathname

Description

The volcheck utility tells volume management to look at each dev/pathname in sequence and determine if new media has been inserted in the drive.

The default action is to volcheck all checkable media managed by volume management.

Options

The following options are supported:

-i secs

Set the frequency of device checking to secs seconds. The default is 2 seconds. The minimum frequency is 1 second.

-t secs

Check the named device(s) for the next secs seconds. The maximum number of seconds allowed is 28800, which is 8 hours. The frequency of checking is specified by -i. There is no default total time.

-v

Verbose.

Operands

The following operands are supported:

pathname

The path name of a media device.

Examples

Example 1 A sample of the volcheck command.

The following example

        example% volcheck -v /dev/diskette
        /dev/diskette has media

asks volume management to examine the floppy drive for new media.

The following example

        example% volcheck -i 2 -t 600 /dev/diskette1 &

asks volume management if there is a floppy in the floppy drive every 2 seconds for 600 seconds (10 minutes).

Files

/dev/volctl

volume management control port

Attributes

See attributes(5) for descriptions of the following attributes:

See Also

eject(1), rmmount(1M), attributes(5)

Warnings

Due to a hardware limitation in many floppy drives, the act of checking for media causes mechanical action in the floppy drive. Continuous polling of the floppy drive will cause the drive to wear out. It is recommended that polling the drive only be performed during periods of high use.