История изменений
Исправление iZEN, (текущая версия) :
> diskinfo -ctv /dev/nvd0
/dev/nvd0
512 # sectorsize
250059350016 # mediasize in bytes (233G)
488397168 # mediasize in sectors
0 # stripesize
0 # stripeoffset
Samsung SSD 970 EVO 250GB # Disk descr.
S455NB0K725658K # Disk ident.
nvme0 # Attachment
Yes # TRIM/UNMAP support
0 # Rotation rate in RPM
I/O command overhead:
time to read 10MB block 0.015780 sec = 0.001 msec/sector
time to read 20480 sectors 1.405866 sec = 0.069 msec/sector
calculated command overhead = 0.068 msec/sector
Seek times:
Full stroke: 250 iter in 0.012113 sec = 0.048 msec
Half stroke: 250 iter in 0.019878 sec = 0.080 msec
Quarter stroke: 500 iter in 0.037005 sec = 0.074 msec
Short forward: 400 iter in 0.028935 sec = 0.072 msec
Short backward: 400 iter in 0.029548 sec = 0.074 msec
Seq outer: 2048 iter in 0.022931 sec = 0.011 msec
Seq inner: 2048 iter in 0.022442 sec = 0.011 msec
Transfer rates:
outside: 102400 kbytes in 0.070747 sec = 1447411 kbytes/sec
middle: 102400 kbytes in 0.121607 sec = 842057 kbytes/sec
inside: 102400 kbytes in 0.035806 sec = 2859856 kbytes/sec
Исходная версия iZEN, :
> diskinfo -t /dev/nvd0
/dev/nvd0
512 # sectorsize
250059350016 # mediasize in bytes (233G)
488397168 # mediasize in sectors
0 # stripesize
0 # stripeoffset
Samsung SSD 970 EVO 250GB # Disk descr.
S465NB0K725657K # Disk ident.
nvme0 # Attachment
Yes # TRIM/UNMAP support
0 # Rotation rate in RPM
Seek times:
Full stroke: 250 iter in 0.012578 sec = 0.050 msec
Half stroke: 250 iter in 0.019866 sec = 0.079 msec
Quarter stroke: 500 iter in 0.037012 sec = 0.074 msec
Short forward: 400 iter in 0.028747 sec = 0.072 msec
Short backward: 400 iter in 0.029653 sec = 0.074 msec
Seq outer: 2048 iter in 0.023065 sec = 0.011 msec
Seq inner: 2048 iter in 0.022411 sec = 0.011 msec
Transfer rates:
outside: 102400 kbytes in 0.072150 sec = 1419265 kbytes/sec
middle: 102400 kbytes in 0.132186 sec = 774666 kbytes/sec
inside: 102400 kbytes in 0.036635 sec = 2795141 kbytes/sec