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

AUTHORS

      The amr driver was written by Mike Smith 〈msmith@FreeBSD.org〉.
 
      This manual page was written by Mike Smith 〈msmith@FreeBSD.org〉 and
      Jeroen Ruigrok van der Werven 〈asmodai@FreeBSD.org〉.
 

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