271 lines
11 KiB
Groff
271 lines
11 KiB
Groff
.\"
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.\" Copyright (c) 2000 Michael Smith
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.\" Copyright (c) 2000 BSDi
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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 MLY 4
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.Os
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.Sh NAME
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.Nm mly
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.Nd Mylex AcceleRAID/eXtremeRAID family driver
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.Sh SYNOPSIS
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To compile this driver into the kernel,
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place the following lines in your
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kernel configuration file:
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.Bd -ragged -offset indent
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.Cd "device pci"
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.Cd "device scbus"
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.Cd "device da"
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.Cd "device mly"
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.Ed
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.Pp
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Alternatively, to load the driver as a
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module at boot time, place the following line in
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.Xr loader.conf 5 :
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.Bd -literal -offset indent
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mly_load="YES"
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.Ed
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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 AcceleRAID and eXtremeRAID-family
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PCI to SCSI RAID controllers with version 6.00 and later
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firmware.
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.Pp
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Logical devices (array drives) attached to the controller are presented
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to the SCSI subsystem as though they were direct-access devices on a
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virtual SCSI bus.
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Physical devices which are not claimed by a logical
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device are presented on SCSI channels which match the physical channels
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on the controller.
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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 AcceleRAID 160
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.It
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Mylex AcceleRAID 170
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.It
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Mylex AcceleRAID 352
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.It
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Mylex eXtremeRAID 2000
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.It
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Mylex eXtremeRAID 3000
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.El
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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 "mly%d: controller initialisation started"
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.It "mly%d: initialisation complete"
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.Pp
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The controller firmware has started initialisation.
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Normally this process is performed by the controller BIOS,
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but the driver may need
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to do this in cases where the BIOS has failed, or is not compatible
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(e.g.\& on non-x86 systems).
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.It "mly%d: drive spinup in progress"
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.Pp
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Drive startup is in progress; this may take several minutes.
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.It "mly%d: mirror race recovery failed, one or more drives offline"
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.It "mly%d: mirror race recovery in progress"
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.It "mly%d: mirror race recovery on a critical drive"
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.Pp
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These error codes are undocumented.
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.It "mly%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 "mly%d: unknown initialisation code %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 "mly%d: can't enable busmaster feature"
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.It "mly%d: memory window not available"
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.It "mly%d: can't allocate register window"
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.It "mly%d: can't allocate interrupt"
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.It "mly%d: can't set up interrupt"
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.Pp
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The system's PCI BIOS has not correctly configured the controller's
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PCI interface; initialisation has failed and the driver will not
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attach to this controller.
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.It "mly%d: can't allocate parent DMA tag"
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.It "mly%d: can't allocate buffer DMA tag"
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.It "mly%d: can't allocate command packet DMA tag"
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.It "mly%d: can't allocate scatter/gather DMA tag"
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.It "mly%d: can't allocate s/g table"
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.It "mly%d: can't allocate memory mailbox DMA tag"
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.It "mly%d: can't allocate memory mailbox"
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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 "mly%d: BTL rescan result corrupted"
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.Pp
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The results of a scan for an attached device were corrupted.
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One or more devices may not be correctly reported.
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.It "mly%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 "mly%d: physical device %d:%d online"
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.It "mly%d: physical device %d:%d standby"
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.It "mly%d: physical device %d:%d automatic rebuild started"
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.It "mly%d: physical device %d:%d manual rebuild started"
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.It "mly%d: physical device %d:%d rebuild completed"
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.It "mly%d: physical device %d:%d rebuild cancelled"
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.It "mly%d: physical device %d:%d rebuild failed for unknown reasons"
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.It "mly%d: physical device %d:%d rebuild failed due to new physical device"
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.It "mly%d: physical device %d:%d rebuild failed due to logical drive failure"
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.It "mly%d: physical device %d:%d found"
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.It "mly%d: physical device %d:%d gone"
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.It "mly%d: physical device %d:%d unconfigured"
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.It "mly%d: physical device %d:%d expand capacity started"
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.It "mly%d: physical device %d:%d expand capacity completed"
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.It "mly%d: physical device %d:%d expand capacity failed"
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.It "mly%d: physical device %d:%d parity error"
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.It "mly%d: physical device %d:%d soft error"
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.It "mly%d: physical device %d:%d miscellaneous error"
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.It "mly%d: physical device %d:%d reset"
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.It "mly%d: physical device %d:%d active spare found"
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.It "mly%d: physical device %d:%d warm spare found"
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.It "mly%d: physical device %d:%d initialization started"
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.It "mly%d: physical device %d:%d initialization completed"
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.It "mly%d: physical device %d:%d initialization failed"
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.It "mly%d: physical device %d:%d initialization cancelled"
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.It "mly%d: physical device %d:%d write recovery failed"
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.It "mly%d: physical device %d:%d scsi bus reset failed"
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.It "mly%d: physical device %d:%d double check condition"
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.It "mly%d: physical device %d:%d device cannot be accessed"
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.It "mly%d: physical device %d:%d gross error on scsi processor"
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.It "mly%d: physical device %d:%d bad tag from device"
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.It "mly%d: physical device %d:%d command timeout"
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.It "mly%d: physical device %d:%d system reset"
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.It "mly%d: physical device %d:%d busy status or parity error"
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.It "mly%d: physical device %d:%d host set device to failed state"
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.It "mly%d: physical device %d:%d selection timeout"
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.It "mly%d: physical device %d:%d scsi bus phase error"
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.It "mly%d: physical device %d:%d device returned unknown status"
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.It "mly%d: physical device %d:%d device not ready"
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.It "mly%d: physical device %d:%d device not found at startup"
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.It "mly%d: physical device %d:%d COD write operation failed"
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.It "mly%d: physical device %d:%d BDT write operation failed"
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.It "mly%d: physical device %d:%d missing at startup"
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.It "mly%d: physical device %d:%d start rebuild failed due to physical drive too small"
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.It "mly%d: physical device %d:%d sense data received"
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.It "mly%d: sense key %d asc %02x ascq %02x"
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.It "mly%d: info %4D csi %4D"
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.It "mly%d: physical device %d:%d offline"
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.It "mly%d: sense key %d asc %02x ascq %02x"
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.It "mly%d: info %4D csi %4D"
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.Pp
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The reported event refers to the physical device at the given channel:target
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address.
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.It "mly%d: logical device %d (%s) consistency check started"
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.It "mly%d: logical device %d (%s) consistency check completed"
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.It "mly%d: logical device %d (%s) consistency check cancelled"
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.It "mly%d: logical device %d (%s) consistency check completed with errors"
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.It "mly%d: logical device %d (%s) consistency check failed due to logical drive failure"
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.It "mly%d: logical device %d (%s) consistency check failed due to physical device failure"
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.It "mly%d: logical device %d (%s) automatic rebuild started"
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.It "mly%d: logical device %d (%s) manual rebuild started"
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.It "mly%d: logical device %d (%s) rebuild completed"
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.It "mly%d: logical device %d (%s) rebuild cancelled"
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.It "mly%d: logical device %d (%s) rebuild failed for unknown reasons"
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.It "mly%d: logical device %d (%s) rebuild failed due to new physical device"
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.It "mly%d: logical device %d (%s) rebuild failed due to logical drive failure"
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.It "mly%d: logical device %d (%s) offline"
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.It "mly%d: logical device %d (%s) critical"
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.It "mly%d: logical device %d (%s) online"
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.It "mly%d: logical device %d (%s) initialization started"
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.It "mly%d: logical device %d (%s) initialization completed"
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.It "mly%d: logical device %d (%s) initialization cancelled"
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.It "mly%d: logical device %d (%s) initialization failed"
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.It "mly%d: logical device %d (%s) found"
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.It "mly%d: logical device %d (%s) gone"
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.It "mly%d: logical device %d (%s) expand capacity started"
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.It "mly%d: logical device %d (%s) expand capacity completed"
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.It "mly%d: logical device %d (%s) expand capacity failed"
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.It "mly%d: logical device %d (%s) bad block found"
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.It "mly%d: logical device %d (%s) size changed"
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.It "mly%d: logical device %d (%s) type changed"
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.It "mly%d: logical device %d (%s) bad data block found"
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.It "mly%d: logical device %d (%s) read of data block in bdt"
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.It "mly%d: logical device %d (%s) write back data for disk block lost"
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.Pp
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The event report will include the name of the SCSI device which has
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attached to the device if possible.
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.It "mly%d: enclosure %d fan %d failed"
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.It "mly%d: enclosure %d fan %d ok"
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.It "mly%d: enclosure %d fan %d not present"
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.It "mly%d: enclosure %d power supply %d failed"
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.It "mly%d: enclosure %d power supply %d ok"
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.It "mly%d: enclosure %d power supply %d not present"
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.It "mly%d: enclosure %d temperature sensor %d failed"
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.It "mly%d: enclosure %d temperature sensor %d critical"
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.It "mly%d: enclosure %d temperature sensor %d ok"
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.It "mly%d: enclosure %d temperature sensor %d not present"
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.It "mly%d: enclosure %d unit %d access critical"
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.It "mly%d: enclosure %d unit %d access ok"
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.It "mly%d: enclosure %d unit %d access offline"
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.Pp
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These events refer to external enclosures by number.
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The driver does not attempt to name the enclosures.
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.It "mly%d: controller cache write back error"
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.It "mly%d: controller battery backup unit found"
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.It "mly%d: controller battery backup unit charge level low"
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.It "mly%d: controller battery backup unit charge level ok"
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.It "mly%d: controller installation aborted"
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.It "mly%d: controller mirror race recovery in progress"
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.It "mly%d: controller mirror race on critical drive"
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.It "mly%d: controller memory soft ecc error"
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.It "mly%d: controller memory hard ecc error"
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.It "mly%d: controller battery backup unit failed"
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.Pp
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These events report controller status changes.
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.El
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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 Aq Mt msmith@FreeBSD.org .
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.Pp
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This manual page was written by
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.An Michael Smith Aq Mt msmith@FreeBSD.org .
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.Sh BUGS
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The driver does not yet provide an external management interface.
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.Pp
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Enclosures are not named or otherwise identified in event messages.
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