configuration utility for the RAIDframe disk …

RAIDCTL(8)              OpenBSD System Manager's Manual             RAIDCTL(8)
NAME
     raidctl - configuration utility for the RAIDframe disk driver
SYNOPSIS
     raidctl [-v] [-afFgrR component] [-BGipPsSu] [-cC config_file]
             [-A [yes | no | root]] [-I serial_number] dev
DESCRIPTION
     raidctl is the user-land control program for
raid(4)
, the RAIDframe disk
     device.  raidctl is primarily used to dynamically configure and unconfig-
     ure RAIDframe disk devices.  For more information about the RAIDframe
     disk device, see
raid(4)
.
     This document assumes the reader has at least rudimentary knowledge of
     RAID and RAID concepts.
     The device used by raidctl is specified by dev.  dev may be either the
     full name of the device, e.g. /dev/rraid0c, or just simply raid0 (for
     /dev/rraid0c).
     For several commands (-BGipPsSu), raidctl can accept the word all as the
     dev argument.  If all is used, raidctl will execute the requested action
     for all the configured
raid(4)
devices.
     The command-line options for raidctl are as follows:
     -a component dev
             Add component as a hot spare for the device dev.
     -A yes dev
             Make the RAID set auto-configurable.  The RAID set will be auto-
             matically configured at boot before the root file system is
             mounted.  Note that all components of the set must be of type
             RAID in the disklabel.
     -A no dev
             Turn off auto-configuration for the RAID set.
     -A root dev
             Make the RAID set auto-configurable, and also mark the set as be-
             ing eligible to contain the root partition.  A RAID set config-

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