From: Mark Watts <mrwatts@fast24.co.uk>
To: Adam Hunt <kinema@gmail.com>
Cc: linux-raid@vger.kernel.org
Subject: Re: 1x 3ware controllers vs. 2x 3ware controllers
Date: Fri, 30 Jul 2004 08:22:50 +0100 [thread overview]
Message-ID: <200407300822.50156.mrwatts@fast24.co.uk> (raw)
In-Reply-To: <200407300815.18296.mrwatts@fast24.co.uk>
> > I'm looking at building what I guess you could call a budget NAS
> > array. I'm looking to start with four 250MB SATA drives on 3ware
> > 8506-4LP controller. I eventually want to move to eight drives in the
> > box. Is there any reason to expect that the performance of eight
> > drives spread across two 8506-4LP controllers is going to be any worse
> > then the same eight drives all on one 8506-8?
>
> With the performance issues I'm seeing with the 8506-4LP's I have, I
> wouldn't recommend them to anyone currently...
>
> The thread on LKML from a few days ago about mke2fs -j and 8506-4LP says it
> all, but basically and reasonable amount of I/O brings a Dual Opteron
> system to its knees.
> And by reasonable I mean copying ISO images from a usb2 drive to a raid 5
> (4 x 250GB maxtor) or even just formatting a 600MB partition.
Should be 600GB but I haven't had coffee yet...
Mark.
next prev parent reply other threads:[~2004-07-30 7:22 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-30 3:53 1x 3ware controllers vs. 2x 3ware controllers Adam Hunt
2004-07-30 4:50 ` Scott T. Smith
2004-07-30 6:45 ` Luca Berra
2004-07-30 7:15 ` Mark Watts
2004-07-30 7:22 ` Mark Watts [this message]
2004-07-30 8:14 ` Scott T. Smith
2004-07-30 15:00 ` Marc Bevand
2004-07-30 16:17 ` Mark Watts
2004-07-30 23:53 ` Jim Buttafuoco
2004-07-31 8:49 ` Mikael Abrahamsson
2004-07-31 14:24 ` Jon Lewis
2004-07-31 16:28 ` Mikael Abrahamsson
2004-07-31 16:42 ` Mark Watts
2004-07-31 17:40 ` Jurriaan
2004-08-01 7:00 ` Mikael Abrahamsson
2004-08-01 7:08 ` Gordon Henderson
2004-08-01 9:18 ` Mikael Abrahamsson
2004-08-01 9:51 ` Mark Watts
2004-08-01 12:11 ` Mikael Abrahamsson
2004-08-01 15:01 ` Mark Watts
2004-08-01 15:10 ` Jim Buttafuoco
2004-08-01 15:27 ` Mikael Abrahamsson
2004-08-01 15:33 ` Mark Watts
2004-08-01 17:18 ` Gordon Henderson
2004-08-02 12:54 ` Mark Watts
2004-08-02 13:04 ` Gordon Henderson
2004-08-02 9:40 ` Mark Watts
2004-08-03 1:58 ` [RAID] " Julian Cowley
2004-08-03 2:05 ` Definition of hotswap, was " Scott T. Smith
2004-08-03 11:55 ` Tim Small
2004-08-22 17:52 ` Maurice Hilarius
2004-08-03 11:47 ` Software vs. Hardware RAID Tim Small
2004-08-03 15:58 ` Ricky Beam
2004-08-01 15:06 ` 1x 3ware controllers vs. 2x 3ware controllers Jim Buttafuoco
2004-08-01 15:24 ` Mikael Abrahamsson
2004-08-01 17:57 ` Scott T. Smith
2004-08-01 19:28 ` David Greaves
2004-08-01 22:32 ` Mikael Abrahamsson
2004-08-02 18:02 ` Mark Hahn
2004-08-02 18:07 ` Scott T. Smith
2004-08-01 17:53 ` Scott T. Smith
2004-08-02 10:22 ` what is the best multi-SATA-controller-on-a-single-board out there? Tim Small
2004-08-02 21:09 ` Jon Lewis
2004-08-02 22:48 ` robin-lists
2004-08-03 8:55 ` Tim Small
2004-08-03 17:45 ` Jon Lewis
2004-08-04 8:24 ` Tim Small
2004-07-31 13:11 ` 1x 3ware controllers vs. 2x 3ware controllers Joshua Baker-LePain
-- strict thread matches above, loose matches on Subject: below --
2004-07-30 10:16 Mark Watts
2004-07-30 12:59 ` Joshua Baker-LePain
2004-07-30 13:24 ` Mark Watts
2004-07-30 13:30 ` Joshua Baker-LePain
2004-07-31 8:44 ` Mikael Abrahamsson
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