1.\" 2.\" Copyright (c) 2003 David O'Brien 3.\" Copyright (c) 2000 Jeroen Ruigrok van der Werven 4.\" Copyright (c) 2000 Michael Smith 5.\" All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. The name of the author may not be used to endorse or promote products 13.\" derived from this software without specific prior written permission 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25.\" 26.\" $FreeBSD$ 27.\" 28.Dd August 10, 2004 29.Dt MLX 4 30.Os 31.Sh NAME 32.Nm mlx 33.Nd Mylex DAC-family RAID driver 34.Sh SYNOPSIS 35To compile this driver into the kernel, 36place the following lines in your 37kernel configuration file: 38.Bd -ragged -offset indent 39.Cd "device pci" 40.Cd "device mlx" 41.Ed 42.Pp 43Alternatively, to load the driver as a 44module at boot time, place the following line in 45.Xr loader.conf 5 : 46.Bd -literal -offset indent 47mlx_load="YES" 48.Ed 49.Sh DESCRIPTION 50The 51.Nm 52driver provides support for Mylex DAC-family PCI to SCSI RAID controllers, 53including versions relabeled by Digital/Compaq. 54.Sh HARDWARE 55Controllers supported by the 56.Nm 57driver include: 58.Pp 59.Bl -bullet -compact 60.It 61Mylex DAC960P 62.It 63Mylex DAC960PD / DEC KZPSC (Fast Wide) 64.It 65Mylex DAC960PDU 66.It 67Mylex DAC960PL 68.It 69Mylex DAC960PJ 70.It 71Mylex DAC960PG 72.It 73Mylex DAC960PU / DEC PZPAC (Ultra Wide) 74.It 75Mylex AcceleRAID 150 (DAC960PRL) 76.It 77Mylex AcceleRAID 250 (DAC960PTL1) 78.It 79Mylex eXtremeRAID 1100 (DAC1164P) 80.It 81RAIDarray 230 controllers, aka the Ultra-SCSI DEC KZPAC-AA (1-ch, 4MB 82cache), KZPAC-CA (3-ch, 4MB), KZPAC-CB (3-ch, 8MB cache) 83.El 84.Pp 85All major firmware revisions (2.x, 3.x, 4.x and 5.x) are supported, however 86it is always advisable to upgrade to the most recent firmware 87available for the controller. 88.Pp 89Compatible Mylex controllers not listed should work, but have not been 90verified. 91.Sh DIAGNOSTICS 92.Ss Controller initialisation phase 93.Bl -diag 94.It mlx%d: controller initialisation in progress... 95.It mlx%d: initialisation complete 96.Pp 97The controller firmware is performing/has completed initialisation. 98.It mlx%d: physical drive %d:%d not responding 99.Pp 100The drive at channel:target is not responding; it may have failed or 101been removed. 102.It mlx%d: spinning up drives... 103.Pp 104Drive startup is in progress; this may take several minutes. 105.It mlx%d: configuration checksum error 106.Pp 107The array configuration has become corrupted. 108.It mlx%d: mirror race recovery in progress 109.It mlx%d: mirror race on a critical system drive 110.It mlx%d: mirror race recovery failed 111.Pp 112These error codes are undocumented. 113.It mlx%d: physical drive %d:%d COD mismatch 114.Pp 115Configuration data on the drive at channel:target does not match the 116rest of the array. 117.It mlx%d: system drive installation aborted 118.Pp 119Errors occurred preventing one or more system drives from being configured. 120.It mlx%d: new controller configuration found 121.Pp 122The controller has detected a configuration on disk which supersedes the 123configuration in its nonvolatile memory. 124It will reset and come up with the new configuration. 125.It mlx%d: FATAL MEMORY PARITY ERROR 126.Pp 127Firmware detected a fatal memory error; the driver will not attempt to 128attach to this controller. 129.It mlx%d: unknown firmware initialisation error %x:%x:%x 130.Pp 131An unknown error occurred during initialisation; it will be ignored. 132.El 133.Ss Driver initialisation/shutdown phase: 134.Bl -diag 135.It mlx%d: can't allocate scatter/gather DMA tag 136.It mlx%d: can't allocate buffer DMA tag 137.It mlx%d: can't allocate s/g table 138.It mlx%d: can't make initial s/g list mapping 139.It mlx%d: can't make permanent s/g list mapping 140.It mlx%d: can't allocate interrupt 141.It mlx%d: can't set up interrupt 142.Pp 143A resource allocation error occurred while initialising the driver; 144initialisation has failed and the driver will not attach to this 145controller. 146.It mlx%d: error fetching drive status 147.Pp 148The current status of all system drives could not be fetched; attachment 149of system drives will be aborted. 150.It mlx%d: device_add_child failed 151.It mlx%d: bus_generic_attach returned %d 152.Pp 153Creation of the system drive instances failed; attachment of one or more 154system drives may have been aborted. 155.It mlxd%d: detaching... 156.Pp 157The indicated system drive is being detached. 158.It mlxd%d: still open, can't detach 159.Pp 160The indicated system drive is still open or mounted; 161the controller cannot be detached. 162.It mlx%d: flushing cache... 163.Pp 164The controller cache is being flushed prior to detach or shutdown. 165.El 166.Ss Operational diagnostics: 167.Bl -diag 168.It mlx%d: ENQUIRY failed - %s 169.It mlx%d: ENQUIRY2 failed 170.It mlx%d: ENQUIRY_OLD failed 171.It mlx%d: FLUSH failed - %s 172.It mlx%d: CHECK ASYNC failed - %s 173.It mlx%d: REBUILD ASYNC failed - %s 174.It mlx%d: command failed - %s 175.Pp 176The controller rejected a command for the reason given. 177.It mlx%d: I/O beyond end of unit (%u,%d > %u) 178.It mlx%d: I/O error - %s 179.Pp 180An I/O error was reported by the controller. 181.It mlx%d: periodic enquiry failed - %s 182.Pp 183An attempt to poll the controller for status failed for the reason given. 184.It mlx%d: mlx_periodic_enquiry: unknown command %x 185.Pp 186The periodic status poll has issued a command which has become corrupted. 187.It mlxd%d: drive offline 188.It mlxd%d: drive online 189.It mlxd%d: drive critical 190.Pp 191The system disk indicated has changed state. 192.It mlx%d: physical drive %d:%d reset 193.It mlx%d: physical drive %d:%d killed %s 194.It "mlx%d: physical drive %d:%d error log: sense = %d asc = %x asq = %x" 195.It "mlx%d: info %4D csi %4D" 196.Pp 197The drive at channel:target has been reset, killed for the given reason, 198or experienced a SCSI error. 199.It mlx%d: unknown log message type %x 200.It mlx%d: error reading message log - %s 201.Pp 202An error occurred while trying to read the controller's message log. 203.It mlxd%d: consistency check started 204.It mlx%d: consistency check completed 205.Pp 206A user-initiated consistency check has started/completed. 207.It mlx%d: drive rebuild started for %d:%d 208.It mlx%d: drive rebuild completed 209.Pp 210A user-initiated physical drive rebuild has started/completed. 211.It mlx%d: background check/rebuild operation started 212.It mlx%d: background check/rebuild operation completed 213.Pp 214An automatic system drive consistency check 215or physical drive rebuild has started/completed. 216.It mlx%d: channel %d pausing for %d seconds 217.It mlx%d: channel %d resuming 218.It mlx%d: pause command failed - %s 219.It mlx%d: pause failed for channel %d 220.It mlx%d: resume command failed - %s 221.It mlx%d: resume failed for channel %d 222.Pp 223Controller/channel pause operation notification. 224(Channel pause is not currently supported on any controller.) 225.It mlx%d: controller wedged (not taking commands) 226.Pp 227The controller is not responding to attempts to submit new commands. 228.It mlx%d: duplicate done event for slot %d 229.It mlx%d: done event for nonbusy slot %d 230.Pp 231Corruption has occurred in either the controller's onboard list of commands 232or in the driver. 233.El 234.Sh SEE ALSO 235.Xr mlxcontrol 8 236.Sh AUTHORS 237.An -nosplit 238The 239.Nm 240driver was written by 241.An Michael Smith Aq Mt msmith@FreeBSD.org . 242.Pp 243This manual page was written by 244.An Jeroen Ruigrok van der Werven Aq Mt asmodai@FreeBSD.org 245and 246.An Michael Smith Aq Mt msmith@FreeBSD.org . 247.Sh BUGS 248The driver does not yet support EISA adapters. 249The DEC KZPSC has insufficient flash ROM to hold any reasonably recent firmware. 250This has caused problems for this driver. 251.Pp 252The driver does not yet support the version 6.x firmware as found in the 253AcceleRAID 352 and eXtremeRAID 2000 and 3000 products. 254