On Thu, 2 Mar 2000 [EMAIL PROTECTED] wrote:
> On Wed, 1 Mar 2000, Leon Brouwers wrote:
>
> > ***** DAC960 RAID Driver Version 2.2.4 of 23 August 1999 *****
> > Copyright 1998-1999 by Leonard N. Zubkoff <[EMAIL PROTECTED]>
> > Configuring Mylex DAC1164P PCI RAID Controller
> > 0:1 Vendor: WDIGTL Model: WDE9150 ULTRA2 Revision: 1.20
> > 0:2 Vendor: WDIGTL Model: WDE9150 ULTRA2 Revision: 1.20
> > 0:3 Vendor: WDIGTL Model: WDE9150 ULTRA2 Revision: 1.20
> >
> > In raid 5 configuration, machine has PIII-450 128 Mb/256Mb swap on
> > 2.2.14 + mingo's raid patches
> >
> > -------Sequential Output-------- ---Sequential Input-- --Random--
> > -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks---
> > Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU
> > 256 5451 78.7 10035 8.5 4000 7.3 3975 55.3 18765 11.3 262.8 3.9
>
>
> Those are some disappointing numbers. I've got:
>
> ***** DAC960 RAID Driver Version 2.2.4 of 23 August 1999 *****
> Copyright 1998-1999 by Leonard N. Zubkoff <[EMAIL PROTECTED]>
> Configuring Mylex DAC960PTL1 PCI RAID Controller
> Firmware Version: 4.07-0-29, Channels: 1, Memory Size: 8MB
> ... 5 of the following drives in a u2w hot swap system
> 0:0 Vendor: IBM Model: DNES-309170Y Revision: SA30
> Serial Number: AJGN8615
> Disk Status: Online, 17915904 blocks, 1 resets
> Logical Drives:
> /dev/rd/c0d0: RAID-5, Online, 71663616 blocks, Write Thru
>
> PIII-500, 256mb, AcceleRAID 250
>
> -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks---
> Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU
> 1024 6766 85.3 9150 7.6 6452 11.9 7840 94.8 26361 13.0 268.0 2.5
>
> I wonder how much better your numbers would be with more drives on
> the DAC1164P. I just noticed the 1 resets above (on all the drives).
> This box isn't in production yet. I'll have to look into that and see
> if there's a problem.
How about running tiotest on them so we can have a look at some real
numbers - bonnie just isn't very meaningful. If you can run tiobench with
--numruns 5 or something close and a decent size (1024 looks fine) it's
more meaningful.
Cheers,
--
_/\ Christian Reis is sometimes [EMAIL PROTECTED]
\/~ suicide architect | free software advocate | mountain biker
