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The aac driver manual page Reviewed by: sheldonh@freebsd.org
2000-10-05 20:44:17 +00:00
.\" Copyright (c) 2000 Scott Long
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $FreeBSD$
MFS: update HISTORY, synch dates.
2001-03-07 12:52:53 +00:00
.Dd February 22, 2001
The aac driver manual page Reviewed by: sheldonh@freebsd.org
2000-10-05 20:44:17 +00:00
.Dt AAC 4
.Os
.Sh NAME
.Nm aac
.Nd Adaptec AdvancedRAID Controller driver
.Sh SYNOPSIS
.Cd options AAC_COMPAT_LINUX
.Cd options AAC_DEBUG=N
.Cd device pci
.Cd device aac
.Sh DESCRIPTION
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2001-07-14 19:41:16 +00:00
The
The aac driver manual page Reviewed by: sheldonh@freebsd.org
2000-10-05 20:44:17 +00:00
.Nm
driver provides support for the Adaptec AAC family SCSI Ultra2 and Ultra160
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2001-07-14 19:41:16 +00:00
RAID controllers.
The aac driver manual page Reviewed by: sheldonh@freebsd.org
2000-10-05 20:44:17 +00:00
These controllers support RAID 0, 1, 5, 10, and volume sets.
They have four channels in the add-in version
or 1-2 channels in the motherboard integrated version,
and are most often found relabelled by Dell or Hewlett-Packard.
Supported controllers include:
.Bl -bullet
.It
AAC-364
.It
AAC-3642
.It
HP NetRAID 4M
.It
Dell PERC 2/Si
.It
Dell PERC 2/QC
.It
Dell PERC 3/Si
.It
Dell PERC 3/Di
.Pp
.El
Access to RAID containers is available via the
.Pa /dev/aacd?
device nodes.
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2001-07-14 19:41:16 +00:00
Individual drives cannot be accessed
The aac driver manual page Reviewed by: sheldonh@freebsd.org
2000-10-05 20:44:17 +00:00
unless they are part of a container or volume set,
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2001-07-14 19:41:16 +00:00
and non-fixed disks cannot be accessed.
The aac driver manual page Reviewed by: sheldonh@freebsd.org
2000-10-05 20:44:17 +00:00
Containers can be configured by using
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2001-07-14 19:41:16 +00:00
either the on-board BIOS utility of the card,
The aac driver manual page Reviewed by: sheldonh@freebsd.org
2000-10-05 20:44:17 +00:00
or a Linux-based management application.
.Pp
The
.Pa /dev/aac?
Add /dev/hpn? as an alias to /dev/aac? so that the HP version of the CLI utility will work, and document it in the manpage. MFC after: 3 days
2001-07-25 22:36:17 +00:00
device nodes provide access to the management interface of the controller.
One node exists per installed card. The aliases
.Pa /dev/afa?
and
.Pa /dev/hpn?
exist for the Dell and HP flavors, respectively, and are required for
the CLI management utility available from these vendors to work.
The aac driver manual page Reviewed by: sheldonh@freebsd.org
2000-10-05 20:44:17 +00:00
Compiling the driver with the
.Dv AAC_COMPAT_LINUX
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2001-07-14 19:41:16 +00:00
option enables the Linux-compatible
.Xr ioctl 2
interface for the management device.
The
The aac driver manual page Reviewed by: sheldonh@freebsd.org
2000-10-05 20:44:17 +00:00
.Xr ioctl 2
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2001-07-14 19:41:16 +00:00
command set is heavily tailored to existing linux applications.
The aac driver manual page Reviewed by: sheldonh@freebsd.org
2000-10-05 20:44:17 +00:00
Native
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2001-07-14 19:41:16 +00:00
.Xr ioctl 2
The aac driver manual page Reviewed by: sheldonh@freebsd.org
2000-10-05 20:44:17 +00:00
support is not present at this time.
.Sh FILES
.Bl -tag -width /boot/kernel/aac.ko -compact
.It Pa /dev/aac?
aac management interface
.It Pa /dev/aacd?
disk/container interface
.It Pa /boot/kernel/aac.ko
aac loadable module
.El
Clean up previous delta: * Fix typo (defautls). * Don't use hard sentence breaks in new text. * Don't introduce the use of the second person (you). * Use the standard "IMPLEMENTATION NOTES" section name instead of the non-standard "TUNING".
2001-08-05 11:15:23 +00:00
.Sh IMPLEMENTATION NOTES
Once again throw out the calculation of si_iosize_max and set it to 64K. Although it can go higher, it is not safe to so do on arrays with many members. Compromise by adding a tunable, "hw.aac.iosize_max" that can be set at boottime. Also document in the aac(4) manpage. MFC after: 4 weeks
2001-08-05 07:26:31 +00:00
The read-only sysctl
.Va hw.aac.iosize_max
Clean up previous delta: * Fix typo (defautls). * Don't use hard sentence breaks in new text. * Don't introduce the use of the second person (you). * Use the standard "IMPLEMENTATION NOTES" section name instead of the non-standard "TUNING".
2001-08-05 11:15:23 +00:00
defaults to 65536 and may be set at boot time to another value via
Once again throw out the calculation of si_iosize_max and set it to 64K. Although it can go higher, it is not safe to so do on arrays with many members. Compromise by adding a tunable, "hw.aac.iosize_max" that can be set at boottime. Also document in the aac(4) manpage. MFC after: 4 weeks
2001-08-05 07:26:31 +00:00
.Xr loader 8 .
This value determines the maximum data transfer size allowed
Clean up previous delta: * Fix typo (defautls). * Don't use hard sentence breaks in new text. * Don't introduce the use of the second person (you). * Use the standard "IMPLEMENTATION NOTES" section name instead of the non-standard "TUNING".
2001-08-05 11:15:23 +00:00
to/from an array.
Setting it higher will result in better performance,
especially for large sequential access patterns.
.Em Beware :
internal limitations
of the card limit this value to 64K for arrays with many members.
While it may be safe to raise this value, this is done
.Em at the operator's own risk .
Note also that
performance peaks at a value of 96K,
and drops off dramatically at 128K,
due to other limitations of the card.
The aac driver manual page Reviewed by: sheldonh@freebsd.org
2000-10-05 20:44:17 +00:00
.Sh DIAGNOSTICS
Compiling with
.Dv AAC_DEBUG
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2001-07-14 19:41:16 +00:00
set to a number between 0 and 3
The aac driver manual page Reviewed by: sheldonh@freebsd.org
2000-10-05 20:44:17 +00:00
will enable increasingly verbose debug messages.
.Pp
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2001-07-14 19:41:16 +00:00
The adapter can send status and alert messages asynchronously
The aac driver manual page Reviewed by: sheldonh@freebsd.org
2000-10-05 20:44:17 +00:00
to the driver. These messages are printed on the system console,
and are also queued for retrieval by a management application.
.Sh SEE ALSO
.Xr kld 4 ,
mdoc(7) police: split punctuation characters + misc fixes.
2001-02-01 16:38:02 +00:00
.Xr linux 4 ,
The aac driver manual page Reviewed by: sheldonh@freebsd.org
2000-10-05 20:44:17 +00:00
.Xr kldload 8
.Sh HISTORY
The
.Nm
driver first appeared in
MFS: update HISTORY, synch dates.
2001-03-07 12:52:53 +00:00
.Fx 4.3
The aac driver manual page Reviewed by: sheldonh@freebsd.org
2000-10-05 20:44:17 +00:00
and is
.Ud
.Sh AUTHORS
.An Mike Smith
Update @freebsd.org email addresses to @FreeBSD.org as is the precedent.
2000-10-26 15:30:44 +00:00
.Aq msmith@FreeBSD.org
The aac driver manual page Reviewed by: sheldonh@freebsd.org
2000-10-05 20:44:17 +00:00
.An Scott Long
Update @freebsd.org email addresses to @FreeBSD.org as is the precedent.
2000-10-26 15:30:44 +00:00
.Aq scottl@FreeBSD.org
The aac driver manual page Reviewed by: sheldonh@freebsd.org
2000-10-05 20:44:17 +00:00
.Sh BUGS
This driver has not been tested on Alpha, though it should work.
.Pp
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2001-07-14 19:41:16 +00:00
The controller is not actually paused on suspend/resume.
The aac driver manual page Reviewed by: sheldonh@freebsd.org
2000-10-05 20:44:17 +00:00
.Pp
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2001-07-14 19:41:16 +00:00
Adapter-initiated messages are not returned back to the controller,
The aac driver manual page Reviewed by: sheldonh@freebsd.org
2000-10-05 20:44:17 +00:00
possibly causing a resource leak on the controller.
.Pp
Unloading and reloading the driver as a kernel loadable module
without rebooting the system is strongly discouraged.
.Pp
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2001-07-14 19:41:16 +00:00
Only the Linux-compatible
.Xr ioctl 2
The aac driver manual page Reviewed by: sheldonh@freebsd.org
2000-10-05 20:44:17 +00:00
interface is implemented at this time.
This is not a bug, but native
.Xr ioctl 2
support is desirable.
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