From: Robin Hill <robin@robinhill.me.uk>
To: "linux-raid@vger.kernel.org" <linux-raid@vger.kernel.org>
Subject: Re: Stupid question regarding RAID-1 access pattern
Date: Wed, 6 Jan 2010 23:10:04 +0000 [thread overview]
Message-ID: <20100106231004.GA4351@cthulhu.home.robinhill.me.uk> (raw)
In-Reply-To: <a43edf1b1001061413p6d3689f0u9be7bc35c8892cd5@mail.gmail.com>
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On Wed Jan 06, 2010 at 04:13:55PM -0600, Billy Crook wrote:
> On Wed, Jan 6, 2010 at 15:37, Robin Hill <robin@robinhill.me.uk> wrote:
> > I doubt this would help much really. If you're reading sequential data
> > then it's pretty much as quick to keep reading as to seek to the next
> > chunk.
>
> Could it hurt [performance]? SSDs will only become more common, and
> they haven't any seek penalty.
>
Probably not, with SSDs, but we've already got RAID10 which, if I'm not
mistaken, does pretty much what you're describing (if not, can you
provide some diagrams of what the layout you're thinking of would look
like).
Cheers,
Robin
--
___
( ' } | Robin Hill <robin@robinhill.me.uk> |
/ / ) | Little Jim says .... |
// !! | "He fallen in de water !!" |
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next prev parent reply other threads:[~2010-01-06 23:10 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-06 19:58 Stupid question regarding RAID-1 access pattern Curt Hartung
2010-01-06 21:37 ` Robin Hill
2010-01-06 22:13 ` Billy Crook
2010-01-06 23:10 ` Robin Hill [this message]
2010-01-21 7:34 ` Erno Kuusela
2010-01-21 8:09 ` Asdo
2010-01-07 15:17 ` Leslie Rhorer
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