Created
August 8, 2012 10:12
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| #!/bin/bash | |
| if [ -z "$1" ]; then | |
| echo "Usage: sudo $0 /dev/sdh1" | |
| exit 1; | |
| fi | |
| dd if=$1 of=/dev/null & pid=$! | |
| while true; do | |
| ps -p$pid --no-heading || break; | |
| echo "-- $(date) ------------------"; | |
| kill -USR1 $pid; | |
| sleep 60s; | |
| done | |
| echo "-- $(date) ------------------"; | |
| echo "DONE \o/" |
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| $ sudo ./ebs-warmer.sh /dev/md1 | |
| 5667 pts/2 00:00:00 dd | |
| -- Wed Aug 8 10:04:34 UTC 2012 ------------------ | |
| 4350+0 records in | |
| 4350+0 records out | |
| 2227200 bytes (2.2 MB) copied, 0.0102517 s, 217 MB/s | |
| 5667 pts/2 00:00:03 dd | |
| -- Wed Aug 8 10:05:34 UTC 2012 ------------------ | |
| 1174177+0 records in | |
| 1174176+0 records out | |
| 601178112 bytes (601 MB) copied, 67.3422 s, 8.9 MB/s | |
| 5667 pts/2 00:00:05 dd | |
| -- Wed Aug 8 10:06:34 UTC 2012 ------------------ | |
| 1895073+0 records in | |
| 1895072+0 records out | |
| 970276864 bytes (970 MB) copied, 127.779 s, 7.6 MB/s | |
| 5667 pts/2 00:00:07 dd |
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If you are willing to add a dependency, you could run the dd through 'pipeviewer' http://www.ivarch.com/programs/pv.shtml which can show you the progress.