From: Stan Hoeppner <stan@hardwarefreak.com>
To: NeilBrown <neilb@suse.de>
Cc: David Brown <david.brown@hesbynett.no>,
CoolCold <coolthecold@gmail.com>,
Daniel Pocock <daniel@pocock.com.au>,
Roberto Spadim <roberto@spadim.com.br>,
Phil Turmel <philip@turmel.org>,
Marcus Sorensen <shadowsor@gmail.com>,
linux-raid@vger.kernel.org
Subject: Re: md RAID with enterprise-class SATA or SAS drives
Date: Thu, 24 May 2012 01:16:52 -0500 [thread overview]
Message-ID: <4FBDD254.8070505@hardwarefreak.com> (raw)
In-Reply-To: <20120524120819.08ffa3b0@notabene.brown>
On 5/23/2012 9:08 PM, NeilBrown wrote:
> On Wed, 23 May 2012 20:18:06 -0500 Stan Hoeppner <stan@hardwarefreak.com>
> wrote:
>
>> On 5/23/2012 6:46 PM, Stan Hoeppner wrote:
>>> 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?
>>
>> My Google searches only turn up Shaohua Li's TRIM patches. I don't
>> believe the issue we're discussing has anything to do with TRIM, though
>> I can't be 100% sure as Mark didn't provide much detail of his thread
>> ceiling problem, and I don't have a suitable system to do proper testing.
>>
>> Again it would be nice to have a link to Shaohua Li's work to which you
>> refer to determine if it's applicable to this issue.
>>
>
> It's probably in your INBOX.
>
> http://www.spinics.net/lists/raid/msg38899.html
>
> NeilBrown
Indeed they are. Well, in a sort folder actually. I still shouldn't
have missed them. Please feel free to plant virtual palms to my
forehead if you like. :)
--
Stan
next prev parent reply other threads:[~2012-05-24 6:16 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-09 22:00 md RAID with enterprise-class SATA or SAS drives Daniel Pocock
2012-05-09 22:33 ` Marcus Sorensen
2012-05-10 13:34 ` Daniel Pocock
2012-05-10 13:51 ` Phil Turmel
2012-05-10 14:59 ` Daniel Pocock
2012-05-10 15:15 ` Phil Turmel
2012-05-10 15:26 ` Marcus Sorensen
2012-05-10 16:04 ` Phil Turmel
2012-05-10 17:53 ` Keith Keller
2012-05-10 18:10 ` Mathias Burén
2012-05-10 18:23 ` Phil Turmel
2012-05-10 19:15 ` Keith Keller
2012-05-10 18:42 ` Daniel Pocock
2012-05-10 19:09 ` Phil Turmel
2012-05-10 20:30 ` Daniel Pocock
2012-05-11 6:50 ` Michael Tokarev
2012-05-21 14:19 ` Brian Candler
2012-05-21 14:29 ` Phil Turmel
2012-05-26 21:58 ` Stefan *St0fF* Huebner
2012-05-10 21:43 ` Stan Hoeppner
2012-05-10 23:00 ` Marcus Sorensen
2012-05-10 21:15 ` Stan Hoeppner
2012-05-10 21:31 ` Daniel Pocock
2012-05-11 1:53 ` Stan Hoeppner
2012-05-11 8:31 ` Daniel Pocock
2012-05-11 13:54 ` Pierre Beck
2012-05-10 21:41 ` Phil Turmel
2012-05-10 22:27 ` David Brown
2012-05-10 22:37 ` Daniel Pocock
[not found] ` <CABYL=ToORULrdhBVQk0K8zQqFYkOomY-wgG7PpnJnzP9u7iBnA@mail.gmail.com>
2012-05-11 7:10 ` David Brown
2012-05-11 8:16 ` Daniel Pocock
2012-05-11 22:28 ` Stan Hoeppner
2012-05-21 15:20 ` CoolCold
2012-05-21 18:51 ` Stan Hoeppner
2012-05-21 18:54 ` Roberto Spadim
2012-05-21 19:05 ` Stan Hoeppner
2012-05-21 19:38 ` Roberto Spadim
2012-05-21 23:34 ` NeilBrown
2012-05-22 6:36 ` Stan Hoeppner
2012-05-22 7:29 ` David Brown
2012-05-23 13:14 ` Stan Hoeppner
2012-05-23 13:27 ` Roberto Spadim
2012-05-23 19:49 ` David Brown
2012-05-23 23:46 ` Stan Hoeppner
2012-05-24 1:18 ` Stan Hoeppner
2012-05-24 2:08 ` NeilBrown
2012-05-24 6:16 ` Stan Hoeppner [this message]
2012-05-24 2:10 ` NeilBrown
2012-05-24 2:55 ` Roberto Spadim
2012-05-11 22:17 ` Stan Hoeppner
-- strict thread matches above, loose matches on Subject: below --
2012-05-10 1:29 Richard Scobie
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