From: Goswin von Brederlow <goswin-v-b@web.de>
To: "Henry, Andrew" <andrew.henry@logica.com>
Cc: Drew <drew.kay@gmail.com>,
"linux-raid@vger.kernel.org" <linux-raid@vger.kernel.org>
Subject: Re: raid-0 with mdadm vs lvm striping
Date: Wed, 12 Aug 2009 10:41:46 +0200 [thread overview]
Message-ID: <87vdkt4e5x.fsf@frosties.localdomain> (raw)
In-Reply-To: <3ECBDC05781B3D48ABD520A01ABF2F9B2E9A0485D5@SE-EX008.groupinfra.com> (Andrew Henry's message of "Wed, 12 Aug 2009 08:55:01 +0200")
"Henry, Andrew" <andrew.henry@logica.com> writes:
>> If you run LVM on top of raid you can have both. :-) All my servers
>> run this config and it makes things easy to move around as needed, in
>> fact a couple of times it saved my data (and my bacon). And with newer
>> versions of mdadm, you can create some interesting raid configs that
>> LVM has no chance of creating.
>>
>> So why striping? Aside from faster speeds, raid-0 is anything but redundant.
>> --
>> Drew
>
> I need the speed, pure and simple. It's going to be used as a scratch volume. I already have a mirrored raid array with mdadm for my "real" data and backups, but I need something faster just to store temporary files on.
>
> --andrew
But why raid0 instead of striped lvm? Does that make a difference in
speed?
MfG
Goswin
next prev parent reply other threads:[~2009-08-12 8:41 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-10 7:09 raid-0 with mdadm vs lvm striping Henry, Andrew
2009-08-11 21:35 ` Drew
2009-08-12 6:55 ` Henry, Andrew
2009-08-12 8:41 ` Goswin von Brederlow [this message]
2009-08-12 9:14 ` Henry, Andrew
2009-08-12 16:00 ` Billy Crook
2009-08-13 2:09 ` Goswin von Brederlow
2009-08-13 2:40 ` Guy Watkins
2009-08-17 7:27 ` Goswin von Brederlow
2009-08-13 8:08 ` Keld Jørn Simonsen
2009-08-12 17:47 ` Drew
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