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

  • BSD mandoc
     

    NAME

    
    
    ida
    
     - Compaq Intelligent Drive Array Controllers
    
     
    

    SYNOPSIS

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

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

    ida_load="YES"
    
     

    DESCRIPTION

    The Compaq Intelligent Drive Array (IDA) technology is used to distribute data across an array of hard drives. It unites these hard drives into one or more high-performance logical drives. The drive array is managed by an array controller.

    These controllers have the ability to provide fault tolerance for the connected drives and optionally provide write cache for the logical drives. It is also possible for an application to access the SCSI bus subsystem directly by using the pass-through interface.  

    HARDWARE

    The following controllers are supported by the driver:

     

    IMPLEMENTATION NOTES

    Extreme caution should be exercised when using the pass-through interface. It is possible to interfere with normal system I/O and cause hangs if pass-through is used to an active device. Pass-through should only be used to a device that is otherwise quiescent.  

    SEE ALSO

    cam(4), pass(4), xpt(4), camcontrol(8)  

    AUTHORS

    An -nosplit The driver was written by An Jonathan Lemon Aq jlemon@FreeBSD.org and An Matthew N. Dodd Aq mdodd@FreeBSD.org . This manual page was written by An Tom Rhodes Aq trhodes@FreeBSD.org .


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    HARDWARE
    IMPLEMENTATION NOTES
    SEE ALSO
    AUTHORS


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