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50 lines
2.0 KiB
50 lines
2.0 KiB
5 years ago
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#!/bin/bash
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SECTORS=$(parted ${1} unit s print | grep '^Disk /dev' | cut -d: -f2 | sed 's/ //g;s/s//g')
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HDDSIZE=$((${SECTORS} * 512))
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BLKSIZE=$((4 * 1024))
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TBLOCKS=$((${HDDSIZE} / ${BLKSIZE}))
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DESTROY=true
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EXHAUST=12
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echo Device ${1} is $(printf "%'d" ${HDDSIZE}) bytes
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echo Testing $(printf "%'d" ${TBLOCKS}) blocks of $(printf "%'d\n" ${BLKSIZE}) bytes using 1/${EXHAUST} exhaustion.
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POINTER=$((${RANDOM} % ${EXHAUST}))
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BEGIN=$(date +%s)
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until [ ${POINTER} = ${TBLOCKS} ]; do
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# RUNTIME=$(($(date +%s) - ${BEGIN}))
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# RTD=$((${RUNTIME} / 86400))
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# RTH=$((${RUNTIME} % 86400 / 3600))
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# RTM=$((${RUNTIME} % 3600 / 60))
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# RTS=$((${RUNTIME} % 60))
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# ETATIME=$(echo "scale=6;${RUNTIME}/(${POINTER}+1)*${TBLOCKS}+0.5" | bc | cut -d. -f1)
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# [[ -z ${ETATIME} ]] && ETATIME=0
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# ETD=$((${ETATIME} / 86400))
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# ETH=$((${ETATIME} % 86400 / 3600))
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# ETM=$((${ETATIME} % 3600 / 60))
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# ETS=$((${ETATIME} % 60))
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# ETRTIME=$((${ETATIME} - ${RUNTIME}))
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# ERD=$((${ETRTIME} / 86400))
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# ERH=$((${ETRTIME} % 86400 / 3600))
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# ERM=$((${ETRTIME} % 3600 / 60))
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# ERS=$((${ETRTIME} % 60))
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# echo -n RUN $(printf "%02d:%02d:%02d:%02d\n" ${RTD} ${RTH} ${RTM} ${RTS})' '
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# echo -n ETA $(printf "%02d:%02d:%02d:%02d\n" ${ETD} ${ETH} ${ETM} ${ETS})' '
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# echo -n ETR $(printf "%02d:%02d:%02d:%02d\n" ${ERD} ${ERH} ${ERM} ${ERS})' '
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echo -n BLK $(printf "%012d" ${POINTER} | sed 's/\(...\)\(...\)\(...\)\(...\)/\1,\2,\3,\4/g')...
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RNDDATA="$(dd if=/dev/urandom bs=${BLKSIZE} count=1 status=none | base64)"; echo -n G
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${DESTROY} || ( ORGDATA="$(dd if=${1} bs=${BLKSIZE} count=1 skip=${POINTER} status=none | base64)"; echo -n B )
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echo "${RNDDATA}" | base64 --decode | dd of=${1} bs=${BLKSIZE} seek=${POINTER} status=none; sync; echo -n W
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CHKDATA=$(dd if=${1} bs=${BLKSIZE} count=1 skip=${POINTER} status=none| base64); echo -n V
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${DESTROY} || ( echo "${ORGDATA}" | base64 --decode | dd of=${1} bs=${BLKSIZE} seek=${POINTER} status=none; sync; echo -n R )
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[[ "${CHKDATA}" == "${RNDDATA}" ]] && echo -ne "\r" || echo "...FAILED"
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((POINTER+=${EXHAUST}))
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done
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