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AMR(4)                   BSD Kernel Interfaces Manual                   AMR(4)

NAME
     amr -- MegaRAID SCSI/ATA/SATA RAID driver

SYNOPSIS
     device pci
     device amr

DESCRIPTION
     The amr driver provides support for LSI Logic MegaRAID SCSI RAID con-
     trollers and legacy American Megatrends MegaRAID SCSI RAID controllers,
     including models relabeled and sold by Dell and Hewlett-Packard.

HARDWARE
     Controllers supported by the amr driver include:

     o   MegaRAID SCSI 320-1E
     o   MegaRAID SCSI 320-2E
     o   MegaRAID SCSI 320-4E
     o   MegaRAID SCSI 320-0X
     o   MegaRAID SCSI 320-2X
     o   MegaRAID SCSI 320-4X
     o   MegaRAID SATA 300-4X
     o   MegaRAID SATA 300-8X
     o   MegaRAID SATA 150-4
     o   MegaRAID SATA 150-6
     o   MegaRAID i4 133 RAID
     o   MegaRAID SCSI 320-0
     o   MegaRAID SCSI 320-1
     o   MegaRAID SCSI 320-2
     o   MegaRAID SCSI 320-4
     o   MegaRAID Series 418
     o   MegaRAID Enterprise 1200 (Series 428)
     o   MegaRAID Enterprise 1300 (Series 434)
     o   MegaRAID Enterprise 1400 (Series 438)
     o   MegaRAID Enterprise 1500 (Series 467)
     o   MegaRAID Enterprise 1600 (Series 471)
     o   MegaRAID Elite 1500 (Series 467)
     o   MegaRAID Elite 1600 (Series 493)
     o   MegaRAID Elite 1650 (Series 4xx)
     o   MegaRAID Express 100 (Series 466WS)
     o   MegaRAID Express 200 (Series 466)
     o   MegaRAID Express 300 (Series 490)
     o   MegaRAID Express 500 (Series 475)
     o   Dell PERC
     o   Dell PERC 2/SC
     o   Dell PERC 2/DC
     o   Dell PERC 3/DCL
     o   Dell PERC 3/QC
     o   Dell PERC 4/Di
     o   Dell PERC 4e/Di
     o   Dell PERC 4e/Si
     o   Dell PERC 4ei
     o   HP NetRAID-1/Si
     o   HP NetRAID-3/Si (D4943A)
     o   HP Embedded NetRAID
     o   Intel RAID Controller SRCS16
     o   Intel RAID Controller SRCU42X

DIAGNOSTICS
   Driver initialisation/shutdown phase
     amr%d: memory window not available
     amr%d: I/O window not available

     The PCI BIOS did not allocate resources necessary for the correct opera-
     tion of the controller.  The driver cannot attach to this controller.

     amr%d: busmaster bit not set, enabling

     The PCI BIOS did not enable busmaster DMA, which is required for the cor-
     rect operation of the controller.  The driver has enabled this bit and
     initialisation will proceed.

     amr%d: can't allocate register window
     amr%d: can't allocate interrupt
     amr%d: can't set up interrupt
     amr%d: can't allocate parent DMA tag
     amr%d: can't allocate buffer DMA tag
     amr%d: can't allocate scatter/gather DMA tag
     amr%d: can't allocate s/g table
     amr%d: can't allocate mailbox tag
     amr%d: can't allocate mailbox memory

     A resource allocation error occurred while initialising the driver; ini-
     tialisation has failed and the driver will not attach to this controller.

     amr%d: can't obtain configuration data from controller
     amr%d: can't obtain product data from controller

     The driver was unable to obtain vital configuration data from the con-
     troller.  Initialisation has failed and the driver will not attach to
     this controller.

     amr%d: can't establish configuration hook
     amr%d: can't scan controller for drives

     The scan for logical drives managed by the controller failed.  No drives
     will be attached.

     amr%d: device_add_child failed
     amr%d: bus_generic_attach returned %d

     Creation of the logical drive instances failed; attachment of one or more
     logical drives may have been aborted.

     amr%d: flushing cache...

     The controller cache is being flushed prior to shutdown or detach.

   Operational diagnostics
     amr%d: I/O beyond end of unit (%u,%d >> %u)

     A partitioning error or disk corruption has caused an I/O request beyond
     the end of the logical drive.  This may also occur if FlexRAID Virtual
     Sizing is enabled and an I/O operation is attempted on a portion of the
     virtual drive beyond the actual capacity available.

     amr%d: polled command timeout

     An initialisation command timed out.  The initialisation process may fail
     as a result.

     amr%d: bad slot %d completed

     The controller reported completion of a command that the driver did not
     issue.  This may result in data corruption, and suggests a hardware or
     firmware problem with the system or controller.

     amr%d: I/O error - %x

     An I/O error has occurred.

SEE ALSO
     cd(4), da(4), sa(4), scsi(4)

AUTHORS
     The amr driver was written by Mike Smith <msmithATFreeBSD.org>.

     This manual page was written by Mike Smith <msmithATFreeBSD.org> and
     Jeroen Ruigrok van der Werven <asmodaiATFreeBSD.org>.

BSD                              March 4, 2005                             BSD