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mfi (4)
  • >> mfi (4) ( FreeBSD man: Специальные файлы /dev/* )

  • BSD mandoc
     

    NAME

    
    
    mfi
    
     - LSI MegaRAID SAS driver
    
     
    

    SYNOPSIS

    To compile this driver into the kernel, place the following lines in your kernel configuration file:
    device pci device mfi

    Alternatively, to load the driver as a module at boot time, place the following line in loader.conf5:

    mfi_load="YES"
    
     

    DESCRIPTION

    This driver is for LSI's next generation PCI Express SAS RAID controllers. Access to RAID arrays (logical disks) from this driver is provided via /dev/mfid? device nodes. A simple management interface is also provided on a per-controller basis via the /dev/mfi? device node.

    The name is derived from the phrase "MegaRAID Firmware Interface", which is substantially different than the old "MegaRAID" interface and thus requires a new driver. Older SCSI and SATA MegaRAID cards are supported by amr(4) and will not work with this driver.

    Two sysctls are provided to tune the driver's behavior when a request is made to remove a mounted volume. By default the driver will disallow any requests to remove a mounted volume. If the sysctl dev.mfi.%d.delete_busy_volumes is set to 1, then the driver will allow mounted volumes to be removed.  

    HARDWARE

    The driver supports the following hardware:

     

    FILES

    /dev/mfid?
    array/logical disk interface
    /dev/mfi?
    management interface

     

    DIAGNOSTICS

    "mfid%d: Unable to delete busy device"
    An attempt was made to remove a mounted volume.

     

    SEE ALSO

    amr(4), pci(4)  

    HISTORY

    The driver first appeared in Fx 6.1 .  

    AUTHORS

    The driver and this manual page were written by An Scott Long Aq [email protected] .  

    BUGS

    The driver does not support big-endian architectures at this time.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    HARDWARE
    FILES
    DIAGNOSTICS
    SEE ALSO
    HISTORY
    AUTHORS
    BUGS


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