Re: md RAID with enterprise-class SATA or SAS drives


Re: md RAID with enterprise-class SATA or SAS drives
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To: David Brown <david.brown@xxxxxxxxxxxx>
Subject: Re: md RAID with enterprise-class SATA or SAS drives
From: Stan Hoeppner <stan@xxxxxxxxxxxxxxxxx>
Date: Wed, 23 May 2012 18:46:57 -0500
Cc: NeilBrown <neilb@xxxxxxx>, CoolCold <coolthecold@xxxxxxxxx>, Daniel Pocock <daniel@xxxxxxxxxxxxx>, Roberto Spadim <roberto@xxxxxxxxxxxxx>, Phil Turmel <philip@xxxxxxxxxx>, Marcus Sorensen <shadowsor@xxxxxxxxx>, linux-raid@xxxxxxxxxxxxxxx
In-reply-to: <4FBD3F49.5060005@hesbynett.no>
Reply-to: stan@xxxxxxxxxxxxxxxxx
User-agent: Mozilla/5.0 (Windows NT 5.1; rv:12.0) Gecko/20120428 Thunderbird/12.0.1

On 5/23/2012 2:49 PM, David Brown wrote:

> It looks like Shaohua Li has done some testing, found that there is a
> slow-down even with just 2 or 4 disks, and has written patches to fix it
> (for raid1 and raid10 so far), which is very nice.

Ahh, thanks David.  I wasn't aware of Shaohua Li's
work on this.  Got a link to his documentation and patches, or article,
by chance?

-- 
Stan

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