zfs-builds-mm/zfs-2.0.0-rc4/cmd/zpool/zpool.d/media
2020-10-22 14:20:35 +02:00

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#!/bin/sh
#
# Print out the type of device
#
if [ "$1" = "-h" ] ; then
echo "Show whether a vdev is a file, hdd, or ssd."
exit
fi
if [ -b "$VDEV_UPATH" ]; then
device=$(basename "$VDEV_UPATH")
val=$(cat "/sys/block/$device/queue/rotational" 2>/dev/null)
if [ "$val" = "0" ]; then
MEDIA="ssd"
fi
if [ "$val" = "1" ]; then
MEDIA="hdd"
fi
else
if [ -f "$VDEV_UPATH" ]; then
MEDIA="file"
fi
fi
echo "media=$MEDIA"