34 lines
528 B
Markdown
34 lines
528 B
Markdown
# Harddrive's commandline tests
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### Test Write Speed
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```
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sync; dd if=/dev/zero of=tempfile bs=1M count=1024; sync
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```
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### Test Read Speed
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```
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dd if=tempfile of=/dev/null bs=1M count=1024
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```
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Clear Cache and read speed from hdd:
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```
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sudo /sbin/sysctl -w vm.drop_caches=3;dd if=tempfile of=/dev/null bs=1M count=1024
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```
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### Using hdparm
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Install:
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```
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sudo apt-get update; \
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sudo apt-get upgrade -y; \
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sudo apt-get install -y hdparm
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```
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Run (replace PWD with sudo password):
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```
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echo PWD | sudo -S hdparm -Tt /dev/sda
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```
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