20 lines
776 B
Bash
Executable File
20 lines
776 B
Bash
Executable File
#!/bin/sh -e
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# Test disk performance
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# Adapted from https://www.shellhacks.com/disk-speed-test-read-write-hdd-ssd-perfomance-linux/
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test "$1" = "-w" && write=true && shift
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disk="${1:-$(df --output=source . | tail -1)}"
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if test "$write"
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then exec &> >(tee "disktest-$(date +"%y%m%d")")
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fi
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# Needs sudo for read test
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sudo hdparm -MWAgt "$disk"
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if test $# -eq 0
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then echo "Write test:"
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sync
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# This prevents predictions by using random, but since that is too slow we have to copy a previously created file
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# sudo dd status=progress if=/dev/random of=/var/tmp/tempfile bs=1M count=1K && sudo dd status=progress if=/var/tmp/tempfile of=tempfile bs=1M count=1K
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# TODO adjust size to disk
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sudo dd status=progress if=/dev/zero of=tempfile bs=1000K count=1000
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sudo rm tempfile
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fi
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