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NAME    [Toc]    [Back]

     mlx -- Mylex DAC-family RAID driver

SYNOPSIS    [Toc]    [Back]

     device pci
     device mlx

DESCRIPTION    [Toc]    [Back]

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

     +o	 DAC960P

     +o	 DAC960PD / DEC KZPSC (Fast Wide)

     +o	 DAC960PDU

     +o	 DAC960PL

     +o	 DAC960PJ

     +o	 DAC960PG

     +o	 DAC960PU / DEC PZPAC (Ultra Wide)

     +o	 AcceleRAID 150 (DAC960PRL)

     +o	 AcceleRAID 250 (DAC960PTL1)

     +o	 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, however
 it is always advisable to upgrade to the most recent firmware available
 for the controller.

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

DIAGNOSTICS    [Toc]    [Back]

   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 configured.

     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; initialisation
 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 cannot
 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 commands
 or in the driver.

SEE ALSO    [Toc]    [Back]


BUGS    [Toc]    [Back]

     The driver does not yet support EISA adapters.  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.

AUTHORS    [Toc]    [Back]

     The mlx driver was written by Michael Smith <msmith@FreeBSD.org>.

     This manual page was written by Jeroen Ruigrok van der Werven
     <asmodai@FreeBSD.org> and Michael Smith <msmith@FreeBSD.org>.

FreeBSD 5.2.1			April 10, 2000			 FreeBSD 5.2.1
[ Back ]
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