On Fri, Feb 05, 2021 at 01:49:12PM +0100, BERTRAND Joël wrote: > > First test : CPUfreq=3400 MHz > legendre# dd if=/dev/zero of=/dev/sd1 bs=1m count=10000 > 10000+0 records in > 10000+0 records out > 10485760000 bytes transferred in 71.937 secs (145763098 bytes/sec) > > Second one : estd is kept with its standard configuration. > CPUfreq seems to stay at 800 MHz. > legendre# dd if=/dev/zero of=/dev/sd1 bs=1m count=10000 > 10000+0 records in > 10000+0 records out > 10485760000 bytes transferred in 79.456 secs (131969391 bytes/sec)
Again, don't use the block devices for testing with dd. Use the block devices only for mounting a filesystem. Greetings, -- Michael van Elst Internet: mlel...@serpens.de "A potential Snark may lurk in every tree."