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MLX(4)		       FreeBSD Kernel Interfaces Manual			MLX(4)

     mlx -- Mylex DAC-family RAID driver

     To	compile	this driver into the kernel, place the following lines in your
     kernel configuration file:

	   device pci
	   device mlx

     Alternatively, to load the	driver as a module at boot time, place the
     following line in loader.conf(5):


     The mlx driver provides support for Mylex DAC-family PCI to SCSI RAID
     controllers, including versions relabeled by Digital/Compaq.

     Controllers supported by the mlx driver include:

     o	 Mylex DAC960P
     o	 Mylex DAC960PD	/ DEC KZPSC (Fast Wide)
     o	 Mylex DAC960PDU
     o	 Mylex DAC960PL
     o	 Mylex DAC960PJ
     o	 Mylex DAC960PG
     o	 Mylex DAC960PU	/ DEC PZPAC (Ultra Wide)
     o	 Mylex AcceleRAID 150 (DAC960PRL)
     o	 Mylex AcceleRAID 250 (DAC960PTL1)
     o	 Mylex eXtremeRAID 1100	(DAC1164P)
     o	 RAIDarray 230 controllers, aka	the Ultra-SCSI DEC KZPAC-AA (1-ch, 4MB
	 cache), KZPAC-CA (3-ch, 4MB), KZPAC-CB	(3-ch, 8MB cache)

     All major firmware	revisions (2.x,	3.x, 4.x and 5.x) are supported, how-
     ever it is	always advisable to upgrade to the most	recent firmware	avail-
     able for the controller.

     Compatible	Mylex controllers not listed should work, but have not been

   Controller initialisation phase
     mlx%d: controller initialisation in progress...
     mlx%d: initialisation complete

     The controller firmware is	performing/has completed initialisation.

     mlx%d: physical drive %d:%d not responding

     The drive at channel:target is not	responding; it may have	failed or been

     mlx%d: spinning up	drives...

     Drive startup is in progress; this	may take several minutes.

     mlx%d: configuration checksum error

     The array configuration has become	corrupted.

     mlx%d: mirror race	recovery in progress
     mlx%d: mirror race	on a critical system drive
     mlx%d: mirror race	recovery failed

     These error codes are undocumented.

     mlx%d: physical drive %d:%d COD mismatch

     Configuration data	on the drive at	channel:target does not	match the rest
     of	the array.

     mlx%d: system drive installation aborted

     Errors occurred preventing	one or more system drives from being config-

     mlx%d: new	controller configuration found

     The controller has	detected a configuration on disk which supersedes the
     configuration in its nonvolatile memory.  It will reset and come up with
     the new configuration.


     Firmware detected a fatal memory error; the driver	will not attempt to
     attach to this controller.

     mlx%d: unknown firmware initialisation error %x:%x:%x

     An	unknown	error occurred during initialisation; it will be ignored.

   Driver initialisation/shutdown phase:
     mlx%d: can't allocate scatter/gather DMA tag
     mlx%d: can't allocate buffer DMA tag
     mlx%d: can't allocate s/g table
     mlx%d: can't make initial s/g list	mapping
     mlx%d: can't make permanent s/g list mapping
     mlx%d: can't allocate interrupt
     mlx%d: can't set up interrupt

     A resource	allocation error occurred while	initialising the driver; ini-
     tialisation has failed and	the driver will	not attach to this controller.

     mlx%d: error fetching drive status

     The current status	of all system drives could not be fetched; attachment
     of	system drives will be aborted.

     mlx%d: device_add_child failed
     mlx%d: bus_generic_attach returned	%d

     Creation of the system drive instances failed; attachment of one or more
     system drives may have been aborted.

     mlxd%d: detaching...

     The indicated system drive	is being detached.

     mlxd%d: still open, can't detach

     The indicated system drive	is still open or mounted; the controller can-
     not be detached.

     mlx%d: flushing cache...

     The controller cache is being flushed prior to detach or shutdown.

   Operational diagnostics:
     mlx%d: ENQUIRY failed - %s
     mlx%d: ENQUIRY2 failed
     mlx%d: ENQUIRY_OLD	failed
     mlx%d: FLUSH failed - %s
     mlx%d: CHECK ASYNC	failed - %s
     mlx%d: REBUILD ASYNC failed - %s
     mlx%d: command failed - %s

     The controller rejected a command for the reason given.

     mlx%d: I/O	beyond end of unit (%u,%d > %u)
     mlx%d: I/O	error -	%s

     An	I/O error was reported by the controller.

     mlx%d: periodic enquiry failed - %s

     An	attempt	to poll	the controller for status failed for the reason	given.

     mlx%d: mlx_periodic_enquiry: unknown command %x

     The periodic status poll has issued a command which has become corrupted.

     mlxd%d: drive offline
     mlxd%d: drive online
     mlxd%d: drive critical

     The system	disk indicated has changed state.

     mlx%d: physical drive %d:%d reset
     mlx%d: physical drive %d:%d killed	%s
     mlx%d: physical drive %d:%d error log: sense = %d asc = %x	asq = %x
     mlx%d:   info %4D csi %4D

     The drive at channel:target has been reset, killed	for the	given reason,
     or	experienced a SCSI error.

     mlx%d: unknown log	message	type %x
     mlx%d: error reading message log -	%s

     An	error occurred while trying to read the	controller's message log.

     mlxd%d: consistency check started
     mlx%d: consistency	check completed

     A user-initiated consistency check	has started/completed.

     mlx%d: drive rebuild started for %d:%d
     mlx%d: drive rebuild completed

     A user-initiated physical drive rebuild has started/completed.

     mlx%d: background check/rebuild operation started
     mlx%d: background check/rebuild operation completed

     An	automatic system drive consistency check or physical drive rebuild has

     mlx%d: channel %d pausing for %d seconds
     mlx%d: channel %d resuming
     mlx%d: pause command failed - %s
     mlx%d: pause failed for channel %d
     mlx%d: resume command failed - %s
     mlx%d: resume failed for channel %d

     Controller/channel	pause operation	notification.  (Channel	pause is not
     currently supported on any	controller.)

     mlx%d: controller wedged (not taking commands)

     The controller is not responding to attempts to submit new	commands.

     mlx%d: duplicate done event for slot %d
     mlx%d: done event for nonbusy slot	%d

     Corruption	has occurred in	either the controller's	onboard	list of	com-
     mands or in the driver.


     The mlx driver was	written	by Michael Smith <>.

     This manual page was written by Jeroen Ruigrok van	der Werven
     <> and Michael Smith <>.

     The DEC KZPSC has insufficient flash ROM to hold any reasonably recent
     firmware.	This has caused	problems for this driver.

     The driver	does not yet support the version 6.x firmware as found in the
     AcceleRAID	352 and	eXtremeRAID 2000 and 3000 products.

FreeBSD	13.0		       February	15, 2017		  FreeBSD 13.0


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