BIOCTL(8)

NAME
bioctl - RAID management interface

SYNOPSIS
bioctl [-Dhiv] [-a alarm-function] [-b channel:target[.lun]] [-c raidlevel] [-H channel:target[.lun]] [-l special[,special[,...]]] [-u channel:target[.lun]] device

DESCRIPTION
RAID device drivers which support management functionality can register their services with the bio(4) driver. bioctl then can be used to maintain RAID volumes.

The options are as follows:

-a alarm-function
    Control the RAID card's alarm functionality, if supported. alarm-function may be one of:

    disable
        Disable the alarm on the RAID controller.
    enable
        Enable the alarm on the RAID controller.
    get Retrieve the current alarm state (enabled or disabled).
    silence | quiet
        Silence the alarm if it is currently beeping.

    The alarm-function may be specified as given above, or by the first letter only (e.g. -a e).

-b channel:target[.lun]
    Instruct the device at channel:target[.lun] to start blinking, if there is ses(4) or safte(4) support in the enclosure.

-c raidlevel
    Create a softraid(4) device of level raidlevel. The device must begin with “softraid” followed by a number.

-D  Enable debug output.

-H channel:target[.lun]
    If the device at channel:target[.lun] is currently marked “Unused”, promote it to being a “Hot Spare”.

-h  Where necessary, produce "human-readable" output. Use unit suffixes: Byte, Kilobyte, Megabyte, Gigabyte, Terabyte, Petabyte, Exabyte in order to reduce the number of digits to four or less.

-i  Enumerate the selected RAID devices.

-l special[,special[,...]]
    Use special device list to create within the softraid(4) framework. Requires -c.

-u channel:target[.lun]
    Instruct the device at channel:target[.lun] to cease blinking, if there is ses(4) or safte(4) support in the enclosure.

-v  Be more verbose in output.

device
    Select a drive by name (e.g. sd0) or a RAID controller by name (e.g. ami0). For operations which will be performed against ses(4) or safte(4) enclosures, it is also possible to directly specify the enclosure name (e.g. safte0).

EXAMPLES
The following command, executed from the command line, shows the status of the logical drives on the RAID controller:

    # bioctl -h mfi0
    Volume  Status           Size Device
     mfi0 0 Online            74G mfi0    RAID1
          0 Online            75G 1:0.0   noencl <ATA     WDC WD800JD-75MS1E04>
          1 Online            75G 1:1.0   noencl <ATA     WDC WD800JD-75MS1E04>
     mfi0 1 Online           697G mfi0    RAID5
          0 Online           233G 1:3.0   noencl <ATA     WDC WD2500JS-75N2E04>
          1 Online           233G 1:2.0   noencl <ATA     WDC WD2500JS-75N2E04>
          2 Online           233G 1:4.0   noencl <ATA     WDC WD2500JS-75N2E04>
          3 Online           233G 1:5.0   noencl <ATA     WDC WD2500JS-75N2E04>

SEE ALSO
bio(4), mfi(4),

BUGS
the softraid stuff available at this time.

HISTORY
The bioctl command first appeared in OpenBSD 3.8.

AUTHORS
The bioctl interface was written by Marco Peereboom <marco@openbsd.org>.