fai-disk-info

#! /bin/sh

### BEGIN SUBROUTINE INFO
# Provides-Var:    none
# Requires-Var:    none
# Short-Description: <task desc.>
### END SUBROUTINE INFO
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checkdisk() {

    while read major minor blocks device suffix; do
        isdisk=1
        # skip ide cdrom
        [ -f /proc/ide/$device/media ] && grep -q cdrom /proc/ide/$device/media && isdisk=0
# old way of detecting disks: [ `cat /sys/block/$device/removable` -eq 1 ] && isdisk=0
        [ `stat -c %G /dev/$device` = "disk" ] || isdisk=0
        if [ -n "$stick" ]; then
            [ $device = $stick ] && isdisk=0
        fi
        [ $isdisk -eq 1 ] && echo "$device"
    done
}
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# determine the device of the USB stick we boot from
stick=$(mount | awk '/run\/initramfs\/live/ {print $1}')
stick=${stick#/dev/}
stick=${stick%%[[:digit:]]*}


# echo a space separated list of devices and their block size
( egrep 'md[0-9]{3,}$' /proc/partitions; egrep ' etherd/e[[:digit:]]+\.[[:digit:]]+\b| i2o/hd.+\b| cciss/c[[:digit:]]+d[[:digit:]]+\b| ida/c[[:digit:]]+d[[:digit:]]+\b| rd/c[[:digit:]]+d[[:digit:]]+\b| fio.\b| hd.\b| sd[a-z]{1,2}\b|/disc\b| vd.\b| xvd.\b| nvme[[:digit:]]+n1$| mmcblk[[:digit:]]+$' /proc/partitions ) | checkdisk