23 lines
536 B
Bash
Executable File
23 lines
536 B
Bash
Executable File
#!/bin/sh
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# Check if disk has been used since last check and spin it down if not
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if [ "${1}" == "" ]; then
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echo "Usage: $(basename ${0}) <device file>"
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exit
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fi
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last_state_file="/tmp/storage-state-${1}"
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touch $last_state_file
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chmod 600 $last_state_file
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new_storage_state=$(cat /proc/diskstats | grep "$1")
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old_storage_state=$(cat $last_state_file)
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if [ "$new_storage_state" = "$old_storage_state" ]; then
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sync
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sdparm --flexible --readonly --command=stop /dev/$1 2>&1 > /dev/null
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fi
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echo "$new_storage_state" > $last_state_file
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