Bryan J. Smith wrote:
> Or consider RAID-10. Send some benchmarks of that. ;->
Here are the Raid-10 benchmarks. Three instances of Setiathome were running during
the benchmark.
Bonnie++ 1.03a ------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
Tyan 50G:16k 44842 89 79313 35 44383 12 44677 77 111266 13 94.5 0
Tyan 50G:16k 44597 89 77035 35 44487 12 44644 77 111081 13 94.1 0
Tyan 50G:16k 42774 85 77262 34 44663 12 44891 77 111075 13 94.6 0
Tyan 50G:64k 42994 86 76934 34 43913 12 44790 77 110579 13 79.5 0
Tyan 50G:64k 43919 88 76894 34 44073 12 44879 77 110929 13 78.6 0
Tyan 50G:64k 43699 87 76476 34 44436 12 44902 77 110922 13 79.0 0
------Sequential Create------ --------Random Create--------
-Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files:max:min /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
Tyan 16 2420 89 +++++ +++ +++++ +++ 2511 97 +++++ +++ 8720 99
Tyan 16 2490 97 +++++ +++ +++++ +++ 2261 97 +++++ +++ 8742 99
Tyan 16 2475 97 +++++ +++ +++++ +++ 2695 97 +++++ +++ 8594 99
Tyan 16 2500 96 +++++ +++ +++++ +++ 2183 80 +++++ +++ 8287 98
Tyan 16 2429 97 +++++ +++ +++++ +++ 2519 97 +++++ +++ 8166 98
Tyan 16 2404 97 +++++ +++ +++++ +++ 2399 91 +++++ +++ 8657 99
A bit over half the write speeds of Raid-0. Big surprise. Seems like this is the best
combination of performance and reliability.
Kirk Bocek