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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-1210
     ·   ARC-1212
     ·   ARC-1213
     ·   ARC-1214
     ·   ARC-1220
     ·   ARC-1222
     ·   ARC-1223
     ·   ARC-1224
     ·   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

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.