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27 lines
845 B
Fish
27 lines
845 B
Fish
#!/usr/bin/env fish
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# Create a 10GB file
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dd if='/dev/zero' of='/spaceHogger' count='10485760' bs='1024'
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dd if='/dev/zero' of='/spaceHogger' count='10' bs='1G'
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bash -c 'dd if="/dev/zero" of="/spaceHogger" count="$(( 1024 * 10 ))" bs="1M" status="progress"'
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dd if='/dev/zero' of='/spaceHogger' count=(math 1024 '*' 10) bs='1M'
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# Check disk drives contain no bad blocks
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dd if='/dev/ada0' of='/dev/null' bs='1m'
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# Refresh of disk drives
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# Used to prevent presently recoverable read errors from progressing into unrecoverable read errors
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dd if='/dev/ada0' of='/dev/ada0' bs='1m' status='progress'
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# Write filesystem images to disks
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# Pad the end with zeros, if necessary, to a 1MiB boundary
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dd if='memstick.img' of='/dev/da0' bs='1m' conv='noerror,sync'
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###
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# Alternatives
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###
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fallocate -l '1G' '1g-file'
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fallocate -zl '10G' '10g-file-zeroed'
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