Advanced disk format on FreeBSD

Вот такой вот свой маленький велосипедик получился:

# cat /etc/rc.d/gnop 
#!/bin/sh
#

# PROVIDE: gnop
# REQUIRE: mountcritlocal
# BEFORE:  zfs
# KEYWORD: nojail

. /etc/rc.subr

name="gnop"
rcvar=`set_rcvar`
start_cmd="do_gnop"
stop_cmd=":"

do_gnop()
{
        for d in $gnop_disks
        do
                if [ -e /dev/$d.nop ]
                then
                        echo "gnop: device $d already configured"
                else
                        echo -n "gnop: configuring device $d ..."
                        gnop create -v $gnop_flags $d
                fi
        done
}

load_rc_config $name
run_rc_command "$1"
# fgrep gnop /etc/rc.conf
gnop_enable="YES"
gnop_disks="ada0 ada1 ada2 ada3"
gnop_flags="-S 4096"

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Тяжелая ...