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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.
     Management tools for i386 and amd64 are available from Areca.

HARDWARE

     The arcmsr driver supports the following cards:

        ARC-1110
        ARC-1120
        ARC-1130
        ARC-1160
        ARC-1170
        ARC-1110ML
        ARC-1120ML
        ARC-1130ML
        ARC-1160ML
        ARC-1200
        ARC-1201
        ARC-1203
        ARC-1210
        ARC-1212
        ARC-1213
        ARC-1214
        ARC-1216
        ARC-1220
        ARC-1222
        ARC-1223
        ARC-1224
        ARC-1226
        ARC-1230
        ARC-1231
        ARC-1260
        ARC-1261
        ARC-1270
        ARC-1280
        ARC-1210ML
        ARC-1220ML
        ARC-1231ML
        ARC-1261ML
        ARC-1280ML
        ARC-1380
        ARC-1381
        ARC-1680
        ARC-1681
        ARC-1880
        ARC-1882
        ARC-1883
        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.