From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans Reiser Subject: Re: reiserfs vs vxfs Date: Mon, 17 Feb 2003 16:37:34 +0300 Message-ID: <3E50E59E.4090501@namesys.com> References: <200302150108.52868.pegasus@nerv.eu.org> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: list-help: list-unsubscribe: list-post: Errors-To: flx@namesys.com In-Reply-To: <200302150108.52868.pegasus@nerv.eu.org> List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: jure pecar Cc: reiserfs-list@namesys.com jure pecar wrote: >Hi all, > > >I just had some opportunity to play with the fibrechannel array we recently got. >It's done with two qlogic 2300 hbas in multipath setup. I tested with 14 15krpm >36gb disks. > >linux md, 7 mirrors, stripe across them, 64k chunk size, reiserfs >bonnie++ -d /test -s 4096:8k -n 1024:65536:0:10000 used in all tests > >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 >mai 4G 15643 95 66555 79 63027 72 15686 99 146624 87 1131 5 > ------Sequential Create------ --------Random Create-------- > -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- >files:max /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP > 1024:65536:0/10000 354 88 270 6 9131 79 343 85 87 3 661 16 > > > >Veritas VM, 'stripped pro' (thats what they call raid10), 128 stripe unit size, >vxfs mounted with delaylog: > >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 >mai 4G 24102 99 79322 74 30739 42 22177 92 83485 45 475.9 19 > ------Sequential Create------ --------Random Create-------- > -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- >files:max /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP > 1024:65536:0/10000 519 14 470 12 1684 14 464 12 59 3 100 3 > > > >Veritas VM, stripped pro, 64 stripe unit size, vxfs mounted with log: > >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 >mai 4G 14594 98 49899 84 21431 49 13886 94 66823 52 475.3 30 > ------Sequential Create------ --------Random Create-------- > -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- >files:max /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP > 1024:65536:0/10000 337 15 620 16 1906 15 333 16 82 3 112 1 > > > >Veritas VM, stripped pro, 64 stripe unit size, reiserfs: > >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 >mai 4G 15919 99 44442 69 24994 28 14779 98 94095 87 1088 9 > ------Sequential Create------ --------Random Create-------- > -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- >files:max /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP > 1024:65536:0/10000 306 78 320 10 8223 76 283 74 102 5 647 19 > > >Kernel 2.4.9.e-3 on RH advanced server. > >If anyone finds these numbers useful ... > > >Btw, Veritas vm gui (VEA) offers support for ext2/3. Is it possible that someday >we'll see support for reiserfs inthere as well? > > >-- > >Jure Pecar > > > > what happens if you turnoff tails? -- Hans