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 April 10, 2000 29.Dt MLX 4 30.Os 31.Sh NAME 32.Nm mlx 33.Nd Mylex DAC-family RAID driver 34.Sh SYNOPSIS 35.Cd device pci 36.Cd device mlx 37.Sh DESCRIPTION 38The 39.Nm 40driver provides support for Mylex DAC-family PCI to SCSI RAID controllers, 41including versions relabeled by Digital/Compaq. 42Supported controllers include: 43.Bl -bullet 44.It 45DAC960P 46.It 47DAC960PD / DEC KZPSC (Fast Wide) 48.It 49DAC960PL 50.It 51DAC960PJ 52.It 53DAC960PG 54.It 55DAC960PU / DEC PZPAC (Ultra Wide) 56.It 57AcceleRAID 150 (DAC960PRL) 58.It 59AcceleRAID 250 (DAC960PTL1) 60.It 61eXtremeRAID 1100 (DAC1164P) 62.It 63RAIDarray 230 controllers, aka the Ultra-SCSI DEC KZPAC-AA (1-ch, 4MB cache), KZPAC-CA (3-ch, 4MB), KZPAC-CB (3-ch, 8MB cache) 64.El 65.Pp 66All major firmware revisions (2.x, 3.x, 4.x and 5.x) are supported, however 67it is always advisable to upgrade to the most recent firmware 68available for the controller. 69.Pp 70Compatible Mylex controllers not listed should work, but have not been 71verified. 72.Sh DIAGNOSTICS 73.Ss Controller initialisation phase 74.Bl -diag 75.It mlx%d: controller initialisation in progress... 76.It mlx%d: initialisation complete 77.Pp 78The controller firmware is performing/has completed initialisation. 79.It mlx%d: physical drive %d:%d not responding 80.Pp 81The drive at channel:target is not responding; it may have failed or 82been removed. 83.It mlx%d: spinning up drives... 84.Pp 85Drive startup is in progress; this may take several minutes. 86.It mlx%d: configuration checksum error 87.Pp 88The array configuration has become corrupted. 89.It mlx%d: mirror race recovery in progress 90.It mlx%d: mirror race on a critical system drive 91.It mlx%d: mirror race recovery failed 92.Pp 93These error codes are undocumented. 94.It mlx%d: physical drive %d:%d COD mismatch 95.Pp 96Configuration data on the drive at channel:target does not match the 97rest of the array. 98.It mlx%d: system drive installation aborted 99.Pp 100Errors occurred preventing one or more system drives from being configured. 101.It mlx%d: new controller configuration found 102.Pp 103The controller has detected a configuration on disk which supersedes the 104configuration in its nonvolatile memory. 105It will reset and come up with the new configuration. 106.It mlx%d: FATAL MEMORY PARITY ERROR 107.Pp 108Firmware detected a fatal memory error; the driver will not attempt to 109attach to this controller. 110.It mlx%d: unknown firmware initialisation error %x:%x:%x 111.Pp 112An unknown error occurred during initialisation; it will be ignored. 113.El 114.Ss Driver initialisation/shutdown phase: 115.Bl -diag 116.It mlx%d: can't allocate scatter/gather DMA tag 117.It mlx%d: can't allocate buffer DMA tag 118.It mlx%d: can't allocate s/g table 119.It mlx%d: can't make initial s/g list mapping 120.It mlx%d: can't make permanent s/g list mapping 121.It mlx%d: can't allocate interrupt 122.It mlx%d: can't set up interrupt 123.Pp 124A resource allocation error occurred while initialising the driver; 125initialisation has failed and the driver will not attach to this 126controller. 127.It mlx%d: error fetching drive status 128.Pp 129The current status of all system drives could not be fetched; attachment 130of system drives will be aborted. 131.It mlx%d: device_add_child failed 132.It mlx%d: bus_generic_attach returned %d 133.Pp 134Creation of the system drive instances failed; attachment of one or more 135system drives may have been aborted. 136.It mlxd%d: detaching... 137.Pp 138The indicated system drive is being detached. 139.It mlxd%d: still open, can't detach 140.Pp 141The indicated system drive is still open or mounted; 142the controller cannot be detached. 143.It mlx%d: flushing cache... 144.Pp 145The controller cache is being flushed prior to detach or shutdown. 146.El 147.Ss Operational diagnostics: 148.Bl -diag 149.It mlx%d: ENQUIRY failed - %s 150.It mlx%d: ENQUIRY2 failed 151.It mlx%d: ENQUIRY_OLD failed 152.It mlx%d: FLUSH failed - %s 153.It mlx%d: CHECK ASYNC failed - %s 154.It mlx%d: REBUILD ASYNC failed - %s 155.It mlx%d: command failed - %s 156.Pp 157The controller rejected a command for the reason given. 158.It mlx%d: I/O beyond end of unit (%u,%d > %u) 159.It mlx%d: I/O error - %s 160.Pp 161An I/O error was reported by the controller. 162.It mlx%d: periodic enquiry failed - %s 163.Pp 164An attempt to poll the controller for status failed for the reason given. 165.It mlx%d: mlx_periodic_enquiry: unknown command %x 166.Pp 167The periodic status poll has issued a command which has become corrupted. 168.It mlxd%d: drive offline 169.It mlxd%d: drive online 170.It mlxd%d: drive critical 171.Pp 172The system disk indicated has changed state. 173.It mlx%d: physical drive %d:%d reset 174.It mlx%d: physical drive %d:%d killed %s 175.It "mlx%d: physical drive %d:%d error log: sense = %d asc = %x asq = %x" 176.It "mlx%d: info %4D csi %4D" 177.Pp 178The drive at channel:target has been reset, killed for the given reason, 179or experienced a SCSI error. 180.It mlx%d: unknown log message type %x 181.It mlx%d: error reading message log - %s 182.Pp 183An error occurred while trying to read the controller's message log. 184.It mlxd%d: consistency check started 185.It mlx%d: consistency check completed 186.Pp 187A user-initiated consistency check has started/completed. 188.It mlx%d: drive rebuild started for %d:%d 189.It mlx%d: drive rebuild completed 190.Pp 191A user-initiated physical drive rebuild has started/completed. 192.It mlx%d: background check/rebuild operation started 193.It mlx%d: background check/rebuild operation completed 194.Pp 195An automatic system drive consistency check 196or physical drive rebuild has started/completed. 197.It mlx%d: channel %d pausing for %d seconds 198.It mlx%d: channel %d resuming 199.It mlx%d: pause command failed - %s 200.It mlx%d: pause failed for channel %d 201.It mlx%d: resume command failed - %s 202.It mlx%d: resume failed for channel %d 203.Pp 204Controller/channel pause operation notification. 205(Channel pause is not currently supported on any controller.) 206.It mlx%d: controller wedged (not taking commands) 207.Pp 208The controller is not responding to attempts to submit new commands. 209.It mlx%d: duplicate done event for slot %d 210.It mlx%d: done event for nonbusy slot %d 211.Pp 212Corruption has occurred in either the controller's onboard list of commands 213or in the driver. 214.El 215.Sh SEE ALSO 216.Xr mlxcontrol 8 217.Sh BUGS 218The driver does not yet support EISA adapters. 219The DEC KZPSC has insufficient flash ROM to hold any reasonably recent firmware. 220This has caused problems for this driver. 221.Pp 222The driver does not yet support the version 6.x firmware as found in the 223AcceleRAID 352 and eXtremeRAID 2000 and 3000 products. 224.Sh AUTHORS 225.An -nosplit 226The 227.Nm 228driver was written by 229.An Michael Smith 230.Aq msmith@FreeBSD.org . 231.Pp 232This manual page was written by 233.An Jeroen Ruigrok van der Werven 234.Aq asmodai@FreeBSD.org 235and 236.An Michael Smith 237.Aq msmith@FreeBSD.org . 238