120eb03a2STom Rhodes.\" $FreeBSD$ 220eb03a2STom Rhodes.\" Written by Tom Rhodes 320eb03a2STom Rhodes.\" This file is public domain 420eb03a2STom Rhodes.\" 5e86c09ffSSimon L. B. Nielsen.Dd August 8, 2004 620eb03a2STom Rhodes.Dt IDA 4 720eb03a2STom Rhodes.Os 820eb03a2STom Rhodes.Sh NAME 920eb03a2STom Rhodes.Nm ida 1020eb03a2STom Rhodes.Nd Compaq Intelligent Drive Array Controllers 1120eb03a2STom Rhodes.Sh SYNOPSIS 122d431ba6SChristian BruefferTo compile this driver into the kernel, 132d431ba6SChristian Bruefferplace the following lines in your 142d431ba6SChristian Bruefferkernel configuration file: 152d431ba6SChristian Brueffer.Bd -ragged -offset indent 162d431ba6SChristian Brueffer.Cd "device scbus" 172d431ba6SChristian Brueffer.Cd "device ida" 182d431ba6SChristian Brueffer.Ed 192d431ba6SChristian Brueffer.Pp 202d431ba6SChristian BruefferAlternatively, to load the driver as a 212d431ba6SChristian Brueffermodule at boot time, place the following line in 222d431ba6SChristian Brueffer.Xr loader.conf 5 : 232d431ba6SChristian Brueffer.Bd -literal -offset indent 242d431ba6SChristian Bruefferida_load="YES" 252d431ba6SChristian Brueffer.Ed 2620eb03a2STom Rhodes.Sh DESCRIPTION 2720eb03a2STom RhodesThe Compaq Intelligent Drive Array (IDA) technology is used to 2820eb03a2STom Rhodesdistribute data across an array of hard drives. 2920eb03a2STom RhodesIt unites these hard drives into one or more high-performance logical drives. 3020eb03a2STom RhodesThe drive array is managed by an array controller. 3120eb03a2STom Rhodes.Pp 3220eb03a2STom RhodesThese controllers have the ability to provide fault tolerance for the connected 3320eb03a2STom Rhodesdrives and optionally provide write cache for the logical drives. 34ace5be68SRuslan ErmilovIt is also possible for an application to access the SCSI bus subsystem 35ace5be68SRuslan Ermilovdirectly by using the pass-through interface. 36f0c7f156SSimon L. B. Nielsen.Sh HARDWARE 37ace5be68SRuslan ErmilovThe following controllers are supported by the 38ace5be68SRuslan Ermilov.Nm 39ace5be68SRuslan Ermilovdriver: 40ace5be68SRuslan Ermilov.Pp 41f0c7f156SSimon L. B. Nielsen.Bl -bullet -compact 42ace5be68SRuslan Ermilov.It 43ace5be68SRuslan ErmilovCompaq SMART Array 221 44ace5be68SRuslan Ermilov.It 45ace5be68SRuslan ErmilovCompaq Integrated SMART Array Controller 46ace5be68SRuslan Ermilov.It 47ace5be68SRuslan ErmilovCompaq SMART Array 4200 48ace5be68SRuslan Ermilov.It 49ace5be68SRuslan ErmilovCompaq SMART Array 4250ES 50ace5be68SRuslan Ermilov.It 51ace5be68SRuslan ErmilovCompaq SMART 3200 Controller 52ace5be68SRuslan Ermilov.It 53ace5be68SRuslan ErmilovCompaq SMART 3100ES Controller 54ace5be68SRuslan Ermilov.It 55ace5be68SRuslan ErmilovCompaq SMART-2/DH Controller 56ace5be68SRuslan Ermilov.It 57ace5be68SRuslan ErmilovCompaq SMART-2/SL Controller 58ace5be68SRuslan Ermilov.It 59ace5be68SRuslan ErmilovCompaq SMART-2/P Controller 60ace5be68SRuslan Ermilov.It 61ace5be68SRuslan ErmilovCompaq SMART-2/E Controller 62ace5be68SRuslan Ermilov.It 63ace5be68SRuslan ErmilovCompaq SMART Controller 64ace5be68SRuslan Ermilov.El 6520eb03a2STom Rhodes.Sh IMPLEMENTATION NOTES 6620eb03a2STom RhodesExtreme caution should be exercised when using the pass-through interface. 6720eb03a2STom RhodesIt is possible to interfere with normal system I/O and cause hangs if 6820eb03a2STom Rhodespass-through is used to an active device. 6920eb03a2STom RhodesPass-through should only be used to a device that is otherwise quiescent. 7020eb03a2STom Rhodes.Sh SEE ALSO 7120eb03a2STom Rhodes.Xr cam 4 , 7220eb03a2STom Rhodes.Xr pass 4 , 7320eb03a2STom Rhodes.Xr xpt 4 , 74ace5be68SRuslan Ermilov.Xr camcontrol 8 7520eb03a2STom Rhodes.Sh AUTHORS 76ace5be68SRuslan Ermilov.An -nosplit 7720eb03a2STom RhodesThe 7820eb03a2STom Rhodes.Nm 7920eb03a2STom Rhodesdriver was written by 80*6c899950SBaptiste Daroussin.An Jonathan Lemon Aq Mt jlemon@FreeBSD.org 8120eb03a2STom Rhodesand 82*6c899950SBaptiste Daroussin.An Matthew N. Dodd Aq Mt mdodd@FreeBSD.org . 8320eb03a2STom RhodesThis manual page was written by 84*6c899950SBaptiste Daroussin.An Tom Rhodes Aq Mt trhodes@FreeBSD.org . 85