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scsiquiesce(1M)						       scsiquiesce(1M)

NAME
     scsiquiesce - stop all SCSI bus activity for a specific amount of time

SYNOPSIS
     scsiquiesce -q bus_quiesce_time [-t quiesce_in_progress_timeout]
	  scsi_host_adapter_device device ...

DESCRIPTION
     scsiquiesce is used to stop all operations on a SCSI bus for a specific
     amount of time.  Ctrl-C kills the quiesce.	 You can extend the quiesce
     time by pressing the Enter key and inputting additional quiesce time.
     When the quiesce completes, the bus is rescanned for new devices.

     The options are:

     -q bus_quiesce_time
	  Quiesce time in seconds.  This required option informs the low level
	  SCSI driver how many seconds to quiesce the bus for.

     -t quiesce_in_progress_timeout
	  How long the low level driver should wait (in seconds) to finish all
	  currently outstanding commands.  If this option is not specified,
	  the default is 10 seconds.

     -v	  Verbose mode.

FILES
     /dev/scsi/bus*	the SCSI bus operation devices

SEE ALSO
     scsicontrol(1M), scsiha(7M).

NOTE
     This command is normally usable only by the superuser, because the
     standard permissions of the devices in /dev/scsi restrict access to other
     users.

     If drives are removed or drive IDs change during the quiesce, bad things
     may happen.

     This function is only implemented on *some* controllers.

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