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63 lines
1.9 KiB
Text
63 lines
1.9 KiB
Text
Testing performance with f3read / f3write
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=========================================
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f3read / f3write assume your USB Drive is mounted.
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NOTE: Change /dev/sdX1 on the command line for your USB Drive.
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NOTE: Change /mnt/usb on the command line for your mount point.
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# mkdir /mnt/usb
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# mount /dev/sdX1 /mnt/usb
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WARNING: f3write may destroy any previously stored data on /dev/sdX
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$ f3write /mnt/usb/5EBD-5C80/
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$ f3read /mnt/usb/5EBD-5C80/
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For more information see http://oss.digirati.com.br/f3/
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Bash scripts
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============
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Although the simple scripts listed in this section are ready for use,
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they are really meant to help you to write your own scripts.
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So you can personalize F3 to your specific needs.
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f3write.h2w - Script to create files exactly like H2testw.
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Use example: f3write.h2w /mnt/usb/5EBD-5C80/
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log-f3wr - Script that runs f3write and f3read, and records
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their output into a log file.
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Use example: log-f3wr log-filename /mnt/usb/5EBD-5C80/
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The two example template scripts are in /usr/doc/f3-${VERSION}/
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Please note that the scripts and use examples above assume that
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f3write, f3read, and the scripts are in the same folder.
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Quick capacity tests with f3probe
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=================================
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f3probe is the fastest drive test and suitable for large disks because
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it only writes what?s necessary to test the drive. It operates directly
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on the (unmounted) block device and needs to be run as a privileged user:
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NOTE: Change /dev/sdX on the command line for your USB Drive.
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WARNING: f3probe will destroy any previously stored data on /dev/sdX
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# ./f3probe --destructive --time-ops /dev/sdX
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Correcting capacity to actual size with f3fix
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=============================================
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f3fix creates a partition that fits the actual size of the fake drive.
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Use f3probe?s output to determine the parameters for i3fix:
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# ./f3fix --last-sec=16477878 /dev/sdX
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