245 lines
7.8 KiB
Groff
245 lines
7.8 KiB
Groff
.\"
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.\" Copyright (c) 2003 David O'Brien
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.\" Copyright (c) 2000 Jeroen Ruigrok van der Werven
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.\" Copyright (c) 2000 Michael Smith
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd August 10, 2004
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.Dt MLX 4
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.Os
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.Sh NAME
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.Nm mlx
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.Nd Mylex DAC-family RAID driver
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.Sh SYNOPSIS
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.Cd device pci
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.Cd device mlx
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for Mylex DAC-family PCI to SCSI RAID controllers,
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including versions relabeled by Digital/Compaq.
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.Sh HARDWARE
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Controllers supported by the
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.Nm
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driver include:
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.Pp
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.Bl -bullet -compact
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.It
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Mylex DAC960P
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.It
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Mylex DAC960PD / DEC KZPSC (Fast Wide)
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.It
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Mylex DAC960PDU
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.It
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Mylex DAC960PL
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.It
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Mylex DAC960PJ
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.It
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Mylex DAC960PG
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.It
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Mylex DAC960PU / DEC PZPAC (Ultra Wide)
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.It
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Mylex AcceleRAID 150 (DAC960PRL)
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.It
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Mylex AcceleRAID 250 (DAC960PTL1)
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.It
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Mylex eXtremeRAID 1100 (DAC1164P)
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.It
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RAIDarray 230 controllers, aka the Ultra-SCSI DEC KZPAC-AA (1-ch, 4MB
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cache), KZPAC-CA (3-ch, 4MB), KZPAC-CB (3-ch, 8MB cache)
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.El
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.Pp
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All major firmware revisions (2.x, 3.x, 4.x and 5.x) are supported, however
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it is always advisable to upgrade to the most recent firmware
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available for the controller.
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.Pp
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Compatible Mylex controllers not listed should work, but have not been
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verified.
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.Sh DIAGNOSTICS
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.Ss Controller initialisation phase
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.Bl -diag
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.It mlx%d: controller initialisation in progress...
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.It mlx%d: initialisation complete
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.Pp
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The controller firmware is performing/has completed initialisation.
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.It mlx%d: physical drive %d:%d not responding
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.Pp
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The drive at channel:target is not responding; it may have failed or
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been removed.
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.It mlx%d: spinning up drives...
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.Pp
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Drive startup is in progress; this may take several minutes.
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.It mlx%d: configuration checksum error
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.Pp
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The array configuration has become corrupted.
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.It mlx%d: mirror race recovery in progress
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.It mlx%d: mirror race on a critical system drive
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.It mlx%d: mirror race recovery failed
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.Pp
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These error codes are undocumented.
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.It mlx%d: physical drive %d:%d COD mismatch
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.Pp
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Configuration data on the drive at channel:target does not match the
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rest of the array.
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.It mlx%d: system drive installation aborted
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.Pp
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Errors occurred preventing one or more system drives from being configured.
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.It mlx%d: new controller configuration found
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.Pp
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The controller has detected a configuration on disk which supersedes the
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configuration in its nonvolatile memory.
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It will reset and come up with the new configuration.
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.It mlx%d: FATAL MEMORY PARITY ERROR
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.Pp
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Firmware detected a fatal memory error; the driver will not attempt to
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attach to this controller.
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.It mlx%d: unknown firmware initialisation error %x:%x:%x
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.Pp
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An unknown error occurred during initialisation; it will be ignored.
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.El
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.Ss Driver initialisation/shutdown phase:
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.Bl -diag
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.It mlx%d: can't allocate scatter/gather DMA tag
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.It mlx%d: can't allocate buffer DMA tag
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.It mlx%d: can't allocate s/g table
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.It mlx%d: can't make initial s/g list mapping
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.It mlx%d: can't make permanent s/g list mapping
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.It mlx%d: can't allocate interrupt
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.It mlx%d: can't set up interrupt
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.Pp
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A resource allocation error occurred while initialising the driver;
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initialisation has failed and the driver will not attach to this
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controller.
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.It mlx%d: error fetching drive status
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.Pp
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The current status of all system drives could not be fetched; attachment
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of system drives will be aborted.
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.It mlx%d: device_add_child failed
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.It mlx%d: bus_generic_attach returned %d
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.Pp
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Creation of the system drive instances failed; attachment of one or more
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system drives may have been aborted.
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.It mlxd%d: detaching...
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.Pp
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The indicated system drive is being detached.
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.It mlxd%d: still open, can't detach
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.Pp
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The indicated system drive is still open or mounted;
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the controller cannot be detached.
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.It mlx%d: flushing cache...
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.Pp
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The controller cache is being flushed prior to detach or shutdown.
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.El
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.Ss Operational diagnostics:
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.Bl -diag
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.It mlx%d: ENQUIRY failed - %s
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.It mlx%d: ENQUIRY2 failed
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.It mlx%d: ENQUIRY_OLD failed
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.It mlx%d: FLUSH failed - %s
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.It mlx%d: CHECK ASYNC failed - %s
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.It mlx%d: REBUILD ASYNC failed - %s
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.It mlx%d: command failed - %s
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.Pp
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The controller rejected a command for the reason given.
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.It mlx%d: I/O beyond end of unit (%u,%d > %u)
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.It mlx%d: I/O error - %s
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.Pp
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An I/O error was reported by the controller.
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.It mlx%d: periodic enquiry failed - %s
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.Pp
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An attempt to poll the controller for status failed for the reason given.
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.It mlx%d: mlx_periodic_enquiry: unknown command %x
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.Pp
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The periodic status poll has issued a command which has become corrupted.
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.It mlxd%d: drive offline
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.It mlxd%d: drive online
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.It mlxd%d: drive critical
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.Pp
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The system disk indicated has changed state.
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.It mlx%d: physical drive %d:%d reset
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.It mlx%d: physical drive %d:%d killed %s
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.It "mlx%d: physical drive %d:%d error log: sense = %d asc = %x asq = %x"
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.It "mlx%d: info %4D csi %4D"
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.Pp
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The drive at channel:target has been reset, killed for the given reason,
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or experienced a SCSI error.
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.It mlx%d: unknown log message type %x
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.It mlx%d: error reading message log - %s
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.Pp
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An error occurred while trying to read the controller's message log.
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.It mlxd%d: consistency check started
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.It mlx%d: consistency check completed
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.Pp
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A user-initiated consistency check has started/completed.
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.It mlx%d: drive rebuild started for %d:%d
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.It mlx%d: drive rebuild completed
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.Pp
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A user-initiated physical drive rebuild has started/completed.
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.It mlx%d: background check/rebuild operation started
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.It mlx%d: background check/rebuild operation completed
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.Pp
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An automatic system drive consistency check
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or physical drive rebuild has started/completed.
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.It mlx%d: channel %d pausing for %d seconds
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.It mlx%d: channel %d resuming
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.It mlx%d: pause command failed - %s
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.It mlx%d: pause failed for channel %d
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.It mlx%d: resume command failed - %s
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.It mlx%d: resume failed for channel %d
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.Pp
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Controller/channel pause operation notification.
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(Channel pause is not currently supported on any controller.)
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.It mlx%d: controller wedged (not taking commands)
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.Pp
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The controller is not responding to attempts to submit new commands.
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.It mlx%d: duplicate done event for slot %d
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.It mlx%d: done event for nonbusy slot %d
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.Pp
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Corruption has occurred in either the controller's onboard list of commands
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or in the driver.
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.El
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.Sh SEE ALSO
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.Xr mlxcontrol 8
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.Sh AUTHORS
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.An -nosplit
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The
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.Nm
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driver was written by
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.An Michael Smith
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.Aq msmith@FreeBSD.org .
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.Pp
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This manual page was written by
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.An Jeroen Ruigrok van der Werven
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.Aq asmodai@FreeBSD.org
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and
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.An Michael Smith
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.Aq msmith@FreeBSD.org .
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.Sh BUGS
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The driver does not yet support EISA adapters.
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The DEC KZPSC has insufficient flash ROM to hold any reasonably recent firmware.
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This has caused problems for this driver.
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.Pp
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The driver does not yet support the version 6.x firmware as found in the
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AcceleRAID 352 and eXtremeRAID 2000 and 3000 products.
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