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ARCMSR(4)             DragonFly Kernel Interfaces Manual             ARCMSR(4)

NAME
     arcmsr -- Areca RAID Controller driver

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

           device pci
           device scbus
           device da
           device arcmsr

     Alternatively, to load the driver as a module at boot time, place the
     following line in loader.conf(5):

           arcmsr_load="YES"

DESCRIPTION
     The arcmsr driver provides support for the Areca ARC-11xx, ARC-12xx,
     ARC-13xx, ARC-16xx and ARC-18xx series of SAS and SATA RAID controllers.
     These controllers feature RAID-0, 1, 3, 5, 6, and 10 and JBOD
     acceleration for up to 16 SATA drives.  RAID level and stripe level
     migration, online capacity expansion, hot insertion/removal, automatic
     failover and rebuild, and SMART are also supported.  Access to the arrays
     is provided via the SCSI CAM /dev/da? device nodes.  A management
     interface is also present via the /dev/arcmsr? device node.

LOADER TUNABLES
     hw.arcmsr.msi.enable
             By default, the driver will use MSI if it is supported.  This
             behavior can be turned off by setting this tunable to 0.

HARDWARE
     The arcmsr driver supports the following cards:

     o   ARC-1110
     o   ARC-1120
     o   ARC-1130
     o   ARC-1160
     o   ARC-1170
     o   ARC-1110ML
     o   ARC-1120ML
     o   ARC-1130ML
     o   ARC-1160ML
     o   ARC-1200
     o   ARC-1201
     o   ARC-1203
     o   ARC-1210
     o   ARC-1212
     o   ARC-1213
     o   ARC-1214
     o   ARC-1216
     o   ARC-1220
     o   ARC-1222
     o   ARC-1223
     o   ARC-1224
     o   ARC-1226
     o   ARC-1230
     o   ARC-1231
     o   ARC-1260
     o   ARC-1261
     o   ARC-1264
     o   ARC-1270
     o   ARC-1280
     o   ARC-1284
     o   ARC-1210ML
     o   ARC-1220ML
     o   ARC-1231ML
     o   ARC-1261ML
     o   ARC-1280ML
     o   ARC-1380
     o   ARC-1381
     o   ARC-1680i
     o   ARC-1680x
     o   ARC-1680ix
     o   ARC-1680ixl
     o   ARC-1680LP
     o   ARC-1681
     o   ARC-1880i
     o   ARC-1880x
     o   ARC-1880ix
     o   ARC-1880ixl
     o   ARC-1882
     o   ARC-1883
     o   ARC-1884

FILES
     /dev/da?      Array block device
     /dev/arcmsr?  Management interface

SEE ALSO
     da(4), scbus(4)

HISTORY
     The arcmsr driver first appeared in FreeBSD 5.4.

AUTHORS
     The driver was written by Erich Chen <erich@areca.com.tw>.

BUGS
     The driver has been tested on i386 and amd64.  It likely requires
     additional work to function on big-endian architectures.

DragonFly 4.9                  November 6, 2017                  DragonFly 4.9