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January 21, 2017 02:02
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Monitor and print a disk's write speed by doing a simple comparison of the used space over time. Can be useful for network mounts
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| #!/usr/bin/env bash | |
| DISK="Moody Mona" # Name of a directory mounted in /Volumes | |
| INTERVAL=15 | |
| while true; do | |
| s1=$(df -m | grep "$DISK" | awk '{print $3}') | |
| echo "s1=$s1" >&2 | |
| sleep $INTERVAL | |
| s2=$(df -m | grep "$DISK" | awk '{print $3}') | |
| echo "s2=$s2" >&2 | |
| r=$(( (s2 - s1) / INTERVAL )) | |
| echo "$DISK Write Rate: $r MB/S" | |
| done |
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