I have seen a few arguments around the net for zfs on hardware raid, so i am
posting the results of bonnie++ on a t3b.
I am using snv_55b and the t3b has the latest firmware (read,write cache on)
and is configured with 8 disks on raid5 and one hot spare.
bonnie++ command was:
bonnie++ -d /t3 -r 8192 -u amo
1)ufs (default options)
------Sequential Output------ --Sequential Input- --Random-
-Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP
16G 23289 98 78140 84 21509 42 21272 99 77029 87 830.2 15
------Sequential Create------ --------Random Create--------
-Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files K/sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
16 2439 36 ++++ ++ 2441 38 5316 71 +++ +++ 6529 88
2)ufs with directio
------Sequential Output------ --Sequential Input- --Random-
-Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
16G 3711 20 9391 20 2287 7 8384 42 11955 17 660.9 7
------Sequential Create------ --------Random Create--------
-Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
16 3710 66 +++ ++ 2453 46 5641 73 +++ +++ 6587 91
3)zfs
------Sequential Output------ --Sequential Input- --Random-
-Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
16G 24383 98 86654 99 38173 72 22066 98 86612 79 794.5 11
------Sequential Create------ --------Random Create--------
-Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
16 6377 99 +++ ++ 11079 99 6692 99 +++ +++ 11039 99
4)zfs with compression
------Sequential Output------ --Sequential Input- --Random-
-Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
16G 26049 99 76441 88 39937 98 20058 99 101699 92 3254 191
------Sequential Create------ --------Random Create--------
-Create-- --Read-- -Delete-- -Create-- --Read--- -Delete--
files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
16 6672 98 +++ ++ 12008 100 7207 100 ++++ +++ 12165 99
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