1 disk is failed (just for test)
then i did an benchmark
write is the same, but read is almost twice the speed
why is this ?
Version 1.02c ------Sequential Output------ --Sequential Input-
--Random-
-Per Chr- --Block-- -Rewrite- -Per Chr- --Block--
--Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP
/sec %CP
storagenew.a2000 1G 18671 99 80063 77 31862 38 23361 99 149929 83
372.6 2
------Sequential Create------ --------Random
Create--------
-Create-- --Read--- -Delete-- -Create-- --Read---
-Delete--
files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
/sec %CP
16 1898 94 +++++ +++ +++++ +++ 1962 99 +++++ +++
5210 97
storagenew.a2000.nu,1G,18671,99,80063,77,31862,38,23361,99,149929,83,372.6,2,16,1898,94,+++++,+++,+++++,+++,1962,99,+++++,+++,5210,97
On Thu, 10 Oct 2002 raid@ddx.a2000.nu wrote:
> Ok did a benchmark between software raid en hw raid
> controller 3ware 7850 (7500-8 now?) with 5 * WDC 120GB 7200RPM (2mb cache)
> On xeon dual 2GHZ (controller in 64bits pci)
>
> results :
>
> ---raid5 5*120gb sw raid :
>
> Version 1.02c ------Sequential Output------ --Sequential Input-
> --Random-
> -Per Chr- --Block-- -Rewrite- -Per Chr- --Block--
> --Seeks--
> Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP
> /sec %CP
> storagenew.a2000 1G 18850 99 78959 77 29982 29 24052 99 81547 22
> 510.5 2
> ------Sequential Create------ --------Random
> Create--------
> -Create-- --Read--- -Delete-- -Create-- --Read---
> -Delete--
> files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
> /sec %CP
> 16 1933 97 +++++ +++ +++++ +++ 1986 98 +++++ +++
> 5056 98
> storagenew.a2000.nu,1G,18850,99,78959,77,29982,29,24052,99,81547,22,510.5,2,16,1933,97,+++++,+++,+++++,+++,1986,98,+++++,+++,5056,98
>
>
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