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NAME
     smartii - Compaq Smart-2 EISA/PCI and  Smart-2SL  PCI  Array
     Controller driver

DESCRIPTION
     The smartii driver is a driver for Compaq  Smart-2  EISA/PCI
     and  Smart-2SL  PCI Array Controllers on Compaq Servers. The
     driver supports magnetic fixed disks and magnetic  removable
     disks.

     The Smart-2 and  Smart-2SL  controllers  can  be  configured
     using   the Compaq Array configuration utility. Each Smart-2
     controller  can support a maximum of 14 physical  disks  and
     each  Smart-2SL controller can support a maximum of 7 disks.
     Only one bus can  be used at any time for the Smart-2SL con-
     troller. Each controller can support 32 logical volumes.

     The block files access the disk using  the  system's  normal
     buffering   mechanism  and they are read and written without
     regard to physical disk  records.  There  is  also  a  "raw"
     interface  that provides for direct transmission between the
     disk and the user's read or write buffer. A single  read  or
     write  call usually results in one I/O operation. Raw I/O is
     therefore considerably more efficient when  many  bytes  are
     transmitted.  The  names  of  the  block  files are found in
     /dev/dsk; the names of the raw files are found in /dev/rdsk.

     Slice 0 is normally used for the root file system on a disk;
     slice  1  as  a paging area (for example, swap); and slice 2
     for backing up the entire  Solaris  fdisk  partition.  Other
     slices  may  be used for usr file systems or system reserved
     areas.

     fdisk partition 0 is to access the entire disk and  is  gen-
     erally used by the fdisk(1M) program.

FILES
     /dev/dsk/cndn[s|p]n
           block device

     /dev/rdsk/cndn[s|p]n
           raw device where:

           cn    controller n

           dn    lun n (0-7)

           sn    UNIX system slice n (0-15)

           pn    fdisk partition (0)


ATTRIBUTES
     See attributes(5) for descriptions of the  following  attri-
     butes:

     ____________________________________________________________
    |       ATTRIBUTE TYPE        |       ATTRIBUTE VALUE       |
    |_____________________________|_____________________________|
    | Architecture                | IA                          |
    |_____________________________|_____________________________|


SEE ALSO
     smart2cfg(1), fdisk(1M), attributes(5), cmdk(7D), csa(7D)

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