From: David Greaves <david@dgreaves.com>
To: Janek Kozicki <janek_listy@wp.pl>
Cc: Linux RAID Mailing List <linux-raid@vger.kernel.org>
Subject: Re: raid1 on HDD + RAM ?
Date: Tue, 30 Sep 2008 18:09:57 +0100 [thread overview]
Message-ID: <48E25D65.2010208@dgreaves.com> (raw)
In-Reply-To: <20080930174926.5fdad7f1@szpak>
Janek Kozicki wrote:
> Hi,
>
> It's possible to have a ramdisk device.
yes
> Would it make any sense in
> doing raid1 using a common HDD and a ramdisk?
It sounds interesting if you have a need...
md just uses block devices so there shouldn't be a problem.
> They would automatically sync on boot-up of the computer.
You'd need to create and --add the ramdisk...
> I'm asking because an ultra-fast READ and normal WRITE would be
> useful for me...
Also look at the --write-mostly and --write-behind options in mdadm.
David
--
"Don't worry, you'll be fine; I saw it work in a cartoon once..."
next prev parent reply other threads:[~2008-09-30 17:09 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-30 15:49 raid1 on HDD + RAM ? Janek Kozicki
2008-09-30 17:09 ` David Greaves [this message]
2008-09-30 19:21 ` Janek Kozicki
2008-09-30 20:43 ` David Greaves
2008-09-30 18:21 ` Robin Hill
2008-09-30 19:36 ` Janek Kozicki
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