From: Bill Davidsen <davidsen@tmr.com>
To: Rik van Riel <riel@redhat.com>
Cc: Goswin von Brederlow <brederlo@informatik.uni-tuebingen.de>,
konstantin.sharlaimov@gmail.com,
linux-raid <linux-raid@vger.kernel.org>,
"; Ingo Molnar" <mingo@redhat.com>,
"; Neil Brown" <neilb@suse.de>
Subject: Re: Was: [RFC PATCH 2.6.23.1] md: add dm-raid1 read balancing
Date: Thu, 08 Nov 2007 12:24:34 -0500 [thread overview]
Message-ID: <47334652.6040109@tmr.com> (raw)
In-Reply-To: <20071108120625.7e0572b1@bree.surriel.com>
Rik van Riel wrote:
> On Thu, 08 Nov 2007 17:28:37 +0100
> Goswin von Brederlow <brederlo@informatik.uni-tuebingen.de> wrote:
>
>
>> Maybe you need more parameter:
>>
>
> Generally a bad idea, unless you can come up with sane defaults (which
> do not need tuning 99% of the time) or you can derive these parameters
> automatically from the RAID configuration (unlikely with RAID 1?).
>
> Before turning Konstantin's nice and simple code into something complex,
> it would be good to see benchmark results show that the complexity is
> actually needed.
>
>
I was about to post a question about the benefit of all this logic, I'll
trim before posting...
--
bill davidsen <davidsen@tmr.com>
CTO TMR Associates, Inc
Doing interesting things with small computers since 1979
next prev parent reply other threads:[~2007-11-08 17:24 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-03 10:08 [RFC PATCH 2.6.23.1] md: add dm-raid1 read balancing Konstantin Sharlaimov
2007-11-03 14:29 ` Rik van Riel
2007-11-07 9:15 ` Was: " Goswin von Brederlow
2007-11-08 11:06 ` Konstantin Sharlaimov
2007-11-08 16:28 ` Goswin von Brederlow
2007-11-08 17:06 ` Rik van Riel
2007-11-08 17:24 ` Bill Davidsen [this message]
2007-11-08 19:43 ` Goswin von Brederlow
2007-11-08 17:35 ` Bill Davidsen
2007-11-11 23:36 ` Samuel Tardieu
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