Del ilgio tai ne, bet del laido/jungciu kokybes kodel gi ne. Neatitiko 
kontroline suma, paketas siunciamas vel. Dar IDE laikais tikrino, buvo toks 
smarto parametras, udma crc error count.


"Rrr"  wrote in message news:oskieq$p28$1@trimpas.omnitel.net...

Siaip neturetu turet reiksmes ar 20 cm, ar 50 cm. Be to, cia gi digital
signalas. Gal kitoje fizineje disko vietoje testas daresi? Nes disko
pradzioj ir gale greiciai skiriasi.


On 2017.10.23 13:59, Sniegas wrote:
> Buvau sujungęs su prie mamos buvusiais laidukais, padariau testą, buvo
> tokie rezultatai:
>
> Sequential Read (Q= 32,T= 1) : 98.804 MB/s
> Sequential Write (Q= 32,T= 1) : 78.620 MB/s
> Random Read 4KiB (Q= 32,T= 1) : 0.732 MB/s [ 178.7 IOPS]
> Random Write 4KiB (Q= 32,T= 1) : 0.958 MB/s [ 233.9 IOPS]
> Sequential Read (T= 1) : 52.221 MB/s
> Sequential Write (T= 1) : 60.818 MB/s
> Random Read 4KiB (Q= 1,T= 1) : 0.167 MB/s [ 40.8 IOPS]
> Random Write 4KiB (Q= 1,T= 1) : 0.781 MB/s [ 190.7 IOPS]
>
> Test : 1024 MiB [D: 96.9% (2707.6/2794.4 GiB)] (x5) [Interval=5 sec]
> Date : 2017/10/17 17:32:41
>
> Nupirkau trumpesnius laidukus, padariau testą, rezultatas kitoks:
>
> Sequential Read (Q= 32,T= 1) : 100.450 MB/s
> Sequential Write (Q= 32,T= 1) : 94.914 MB/s
> Random Read 4KiB (Q= 32,T= 1) : 0.721 MB/s [ 176.0 IOPS]
> Random Write 4KiB (Q= 32,T= 1) : 0.993 MB/s [ 242.4 IOPS]
> Sequential Read (T= 1) : 89.765 MB/s
> Sequential Write (T= 1) : 101.506 MB/s
> Random Read 4KiB (Q= 1,T= 1) : 0.278 MB/s [ 67.9 IOPS]
> Random Write 4KiB (Q= 1,T= 1) : 1.029 MB/s [ 251.2 IOPS]
>
> Test : 1024 MiB [D: 97.0% (2709.9/2794.4 GiB)] (x5) [Interval=5 sec]
> Date : 2017/10/23 13:48:52
>
> Matau tik, kad Random Read 4KiB sumažėjo, o visi kiti padidėjo.
> Laidai turi įtakos?