Jst done a install on a new usb ssd,ive got it setup running coreelec,Anyone know the ssh command to test the write&read speed
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Linux hard disk write speed:
time dd if=/dev/zero of=/var/test bs=2k count=1000000
Linux hard disk read speed:
time dd if=/var/test of=/dev/null bs=2k
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Use hdparm program.
ran the test seems to a issue in the first test saying i’ve ran out of disk space ,it’s not showing the actual read &write speed of the ssd ,that’s what i want to know
Sorry, writing to the speed measurement will take up your disk space, which will cause you to run out of disk space
The hdparm command is a hard disk tool that can be used to evaluate the performance of a hard disk and control the parameter Settings of a hard disk.
For example, you can test the read speed of your hard disk with the following command:
hdparm -Tt /dev/sda
The above command displays the Cached Read Speed and Buffered Disk Read Speed of the hard disk.
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Thx bluey ran the test and this is what i got,in windows ssd benchmark it scores 550 read 350 write,so how is itsvspeed now,am i right in saying it only scored 279 read
USB 3.0 has theoretical max datarate of 5 Gbit/s (625 MByte/s) , netto datarate 400MBytes/s.
The second bottleneck is the bandwith the USB controller can use on the internal databus inside the SOC.
The third factor is CPU processing.
So 280MB/s isn’t that bad… don’t expect values of a Win PC
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still a improvement over the emc ,whether i notice it is another story,but appreciate the help buddy take care👍
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