On Nov 14, 2007 5:24 PM, Alan Hodgson <ahodgson@xxxxxxxxx> wrote: > On Tuesday 13 November 2007, Jeff Frost <jeff@xxxxxxxxxxxxxxxxxxxxxx> wrote: > > Ok, Areca ARC1261ML. Note that results were similar for an 8 drive RAID6 > > vs 8 drive RAID10, but I don't have those bonnie results any longer. > > > > Version 1.03 ------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 14xRAID6 63G 73967 99 455162 58 164543 23 77637 99 > > 438570 31 912.2 1 ------Sequential Create------ --------Random > > Create-------- -Create-- --Read--- -Delete-- -Create-- --Read--- > > -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec > > %CP 16 12815 63 +++++ +++ 13041 61 12846 67 +++++ +++ 12871 59 > > > > > > Version 1.03 ------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 14xRAID10 63G 63968 92 246143 68 140634 30 77722 99 > > 510904 36 607.8 0 ------Sequential Create------ --------Random > > Create-------- -Create-- --Read--- -Delete-- -Create-- --Read--- > > -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec > > %CP 16 6655 16 +++++ +++ 5755 12 7259 17 +++++ +++ 5550 12 > > OK, impressive RAID-6 performance (not so impressive RAID-10 performance, > but that could be a filesystem issue). Note to self; try an Areca > controller in next storage server. 607 seeks/sec on a 8 drive raid 10 is terrible...this is not as dependant on filesystem as sequential performance... merlin ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster